Udo Zimmermann

Professor

Udo Zimmermann

Contact

Telephone: 51832270

Email: udo.zimmermann@uis.no

Room: KE E-377

Department

Faculty of Science and Technology

Department of Energy Resources

Publications

Vitenskapelige publikasjoner

Zangqa, Sithembele; Saffou, Eric; Gholami, Raoof; Zimmermann, Udo; Raza, Arshad; Doctor Manzi, Musa Siphiwe; Durrheim, Raymond

(2024)

Hydraulic fracturing potential of tight gas reservoirs: A case study from a gas field in the Bredasdorp Basin, South Africa.

Gas Science and Engineering.

ISSN 2949-9097.

Volum 128.

s.1-10.

DOI: 10.1016/j.jgsce.2024.205364

Zimmermann, Udo; Lopez, Shirley Susana; Afzal, Zohyab; Guasde, Krishiat Alexandra Cuellar

(2023)

Petrography and geochemistry of successions from northwest Bolivia.

Journal of South American Earth Sciences.

ISSN 0895-9811.

Volum 124.

DOI: 10.1016/j.jsames.2023.104280

Bredal, Tine Vigdel; Ost, Alexander D.; Wirtz, Tom; Audinot, Jean-Nicolas; Zimmermann, Udo; Madland, Merete Vadla; Minde, Mona Wetrhus; Puntervold, Tina

(2023)

4D Surface Reconstruction of Micron-Sized Organic Calcite for the Characterization of Chemical Heterogeneity of Chalk Surfaces.

Energy & Fuels.

ISSN 0887-0624.

Volum 37.

Hefte 9.

s.6424-6431.

DOI: 10.1021/acs.energyfuels.2c04047

Bredal, Tine Vigdel; Zimmermann, Udo; Korsnes, Reidar Inge; Minde, Mona Wetrhus; Tucho, Wakshum Mekonnen; Audinot, Jean-Nicolas; Madland, Merete Vadla

(2023)

Characterization of mineral precipitation in artificially fractured chalk during flooding experiments for IOR research.

Geoenergy Science and Engineering.

ISSN 2949-8929.

Volum 231.

DOI: 10.1016/j.geoen.2023.212369

Bredal, Tine Vigdel; Zimmermann, Udo; Madland, Merete Vadla; Minde, Mona Wetrhus; Ost, Alexander D.; Wirtz, Tom; Audinot, Jean-Nicolas; Korsnes, Reidar Inge

(2022)

High-Resolution Topographic and Chemical Surface Imaging of Chalk for Oil Recovery Improvement Applications.

Minerals.

ISSN 2075-163X.

Volum 12.

Hefte 3.

DOI: 10.3390/min12030356

Saffou, Eric; Raza, Arshad; Gholami, Raoof; Aci, Ciriakso; van Bever Donker, Jan; Salem, Sofyan; Zimmermann, Udo; Opuwari, Mimonitu; Croukamp, Leon; Romaric Elingou, Walter; Chatterjee, Tapas; S.D. Manzi, Musa

(2022)

Full-scale simulation of a nearly depleted gas field in South Africa for carbon utilisation and storage.

Greenhouse Gases: Science and Technology.

ISSN 2152-3878.

Volum 12.

Hefte 4.

s.486-507.

DOI: 10.1002/ghg.2160

Bredal, Tine Vigdel; Korsnes, Reidar Inge; Zimmermann, Udo; Minde, Mona Wetrhus; Madland, Merete Vadla

(2022)

Water Weakening of Artificially Fractured Chalk, Fracture Modification and Mineral Precipitation during Water Injection—An Experimental Study.

Energies.

ISSN 1996-1073.

Volum 15.

Hefte 10.

DOI: 10.3390/en15103817

Zimmermann, Udo; Minde, Mona Wetrhus; Madland, Merete Vadla; Bredal, Tine Vigdel

(2022)

An Analytical TOOLBOX for the Characterization of Chalks and Other Fine-Grained Rock Types within Enhanced Oil Recovery Research and Its Application—A Guideline.

Energies.

ISSN 1996-1073.

Volum 15.

Hefte 11.

DOI: 10.3390/en15114060

Zimmermann, Udo; Dieset, Jacob; Watson, Lisa; Lapen, Tom

(2021)

Sedimentological constraints and provenance of Eocene and Miocene successions from Barbados.

AAPG Memoir.

ISSN 0271-8529.

Volum 123.

s.109-138.

DOI: 10.1306/13692244M1233846

Kallesten, Emanuela Iedidia; Zimmermann, Udo; Madland, Merete Vadla; Bertolino, Silvana R.A.; Omdal, Edvard; Andersen, Pål Østebø

(2021)

Mineralogy and geochemistry of reservoir and non-reservoir chalk from the Norwegian continental shelf.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 205.

DOI: 10.1016/j.petrol.2021.108914

Bahlburg, Heinrich; Zimmermann, Udo; Matos, Ramiro; Berndt, Jasper; Jimenez, Nestor; Gerdes, Axel

(2020)

The missing link of Rodinia break up in western South America: A petrographical, geochemical, and zircon Pb-Hf isotope study of the volcanosedimentary Chilla beds (Altiplano, Bolivia).

Geosphere.

ISSN 1553-040X.

Volum 16.

Hefte 2.

s.619-645.

DOI: 10.1130/GES02151.1

Kallesten, Emanuela Iedidia; Andersen, Pål Østebø; Berawala, Dhruvit Satishchandra; Korsnes, Reidar Inge; Madland, Merete Vadla; Omdal, Edvard; Zimmermann, Udo

(2020)

Modeling of Permeability and Strain Evolution in Chemical Creep Compaction Experiments with Fractured and Unfractured Chalk Cores Conducted at Reservoir Conditions.

SPE Journal.

ISSN 1086-055X.

DOI: 10.2118/197371-PA

Kallesten, Emanuela Iedidia; Andersen, Pål Østebø; Madland, Merete Vadla; Korsnes, Reidar Inge; Omdal, Edvard; Zimmermann, Udo

(2020)

Permeability evolution of shear failing chalk cores under thermochemical influence.

ACS Omega.

ISSN 2470-1343.

Volum 5.

s.9185-9195.

DOI: 10.1021/acsomega.9b04470

Kallesten, Emanuela Iedidia; Cherif, Yosra; Madland, Merete Vadla; Korsnes, Reidar Inge; Omdal, Edvard; Andersen, Pål Østebø; Zimmermann, Udo

(2020)

Validation study of water weakening research from outcrop chalks performed on Eldfisk reservoir cores.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 198.

DOI: 10.1016/j.petrol.2020.108164

Minde, Mona Wetrhus; Madland, Merete Vadla; Zimmermann, Udo; Egeland, Nina; Korsnes, Reidar Inge; Nakamura, Eizo; Kobayashi, Katsura; Ota, Tsutomu

(2019)

Mineralogical alterations in calcite powder flooded with MgCl2 to study Enhanced Oil Recovery (EOR) mechanisms at pore scale.

Microporous and Mesoporous Materials.

ISSN 1387-1811.

DOI: 10.1016/j.micromeso.2019.03.050

Kallesten, Emanuela Iedidia; Madland, Merete Vadla; Korsnes, Reidar Inge; Omdal, Edvard; Zimmermann, Udo; Andersen, Pål Østebø

(2019)

Permeability Evolution of Shear Failing Chalk Cores under Thermochemical Influence. I: IOR 2019 – 20th European Symposium on Improved Oil Recovery.

European Association of Geoscientists and Engineers (EAGE).

ISBN 978-94-6282-278-8.

DOI: 10.3997/2214-4609.201900073

Craddock, John P.; Ojakangas, Richard W.; Malone, David H.; Konstantinou, Alexandros; Mory, Arthur; Bauer, Wilfried; Thomas, Robert J.; Affinati, Suzanne Craddock; Pauls, Kathryn; Zimmermann, Udo; Botha, Greg; Rochas-Campos, Anthony; dos Santos, Paulo R.; Tohver, Eric; Riccomini, Claudio; Martin, Joe; Redfern, Jonathan; Horstwood, Matthew; Gehrels, George

(2019)

Detrital zircon provenance of Permo-Carboniferous glacial diamictites across Gondwana.

Earth-Science Reviews.

ISSN 0012-8252.

Volum 192.

s.285-316.

DOI: 10.1016/j.earscirev.2019.01.014

Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge; Schultz, Bernhard; Gilbricht, Sabine

(2019)

Mineral replacement in long-term flooded porous carbonate rocks.

Geochimica et Cosmochimica Acta.

ISSN 0016-7037.

Volum 268.

s.485-508.

DOI: 10.1016/j.gca.2019.09.017

Kallesten, Emanuela Iedidia; Andersen, Pål Østebø; Berawala, Dhruvit Satishchandra; Korsnes, Reidar Inge; Madland, Merete Vadla; Omdal, Edvard; Zimmermann, Udo

(2019)

Modelling of Permeability and Strain Evolution in Chemical Creep Compaction Experiments with Fractured and Unfractured Chalk Cores Conducted at Reservoir Conditions. I: Abu Dhabi International Petroleum Exhibition & Conference, 11-14 November, Abu Dhabi, UAE.

Society of Petroleum Engineers.

ISBN 978-1-61399-672-0.

DOI: 10.2118/197371-MS

Borromeo, Laura; Egeland, Nina; Minde, Mona Wetrhus; Zimmermann, Udo; Andò, Sergio; Madland, Merete Vadla; Korsnes, Reidar Inge

(2018)

Quick, easy, and economic mineralogical studies of flooded chalk for EOR experiments using Raman spectroscopy.

Minerals.

ISSN 2075-163X.

Volum 8:221.

Hefte 6.

s.1-19.

DOI: 10.3390/min8060221

Minde, Mona Wetrhus; Wang, Wenxia; Madland, Merete Vadla; Zimmermann, Udo; Korsnes, Reidar Inge; Bertolino, Silvana R.A.; Andersen, Pål Østebø

(2018)

Temperature effects on rock engineering properties and rock-fluid chemistry in opal-CT-bearing chalk.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 169.

s.454-470.

DOI: 10.1016/j.petrol.2018.05.072

Borromeo, Laura; Toccafondi, Chiara; Minde, Mona Wetrhus; Zimmermann, Udo; Andò, Sergio; Madland, Merete Vadla; Korsnes, Reidar Inge; Ossikovski, Razvigor

(2018)

Application of Tip-Enhanced Raman Spectroscopy for the nanoscale characterization of flooded chalk.

Journal of Applied Physics.

ISSN 0021-8979.

Volum 124.

Hefte 17.

DOI: 10.1063/1.5049823

Haukås, Jarle; Madland, Merete Vadla; Flornes, Kristin Margrethe; Hiorth, Aksel; Valestrand, Randi; Viig, Sissel Opsahl; Stavland, Arne; Zimmermann, Udo; Jettestuen, Espen; Mebratu, A.; Bjørnstad, Tor; Klöfkorn, Robert; Skjæveland, Svein Magne; Nævdal, Geir

(2017)

Integration of IOR Research Projects through Generic Case Studies. I: 19th European Symposium on Improved Oil Recovery/IOR Norway 2017.

European Association of Geoscientists and Engineers (EAGE).

ISBN 978-94-6282-209-2.

DOI: 10.3997/2214-4609.201700260

Minde, Mona Wetrhus; Haser, Sabine; Korsnes, Reidar Inge; Zimmermann, Udo; Madland, Merete Vadla

(2017)

Comparative Studies of Mineralogical Alterations of Three Ultra-long-term Tests of Onshore Chalk at Reservoir Conditions. I: 19th European Symposium on Improved Oil Recovery/IOR Norway 2017.

European Association of Geoscientists and Engineers (EAGE).

ISBN 978-94-6282-209-2.

Egeland, Nina; Minde, Mona Wetrhus; Kobayashi, Katsura; Ota, Tsutomu; Nakamura, Eizo; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge

(2017)

Quantification of Mineralogical Changes in Flooded Carbonate under Reservoir Conditions. I: 19th European Symposium on Improved Oil Recovery/IOR Norway 2017.

European Association of Geoscientists and Engineers (EAGE).

ISBN 978-94-6282-209-2.

DOI: 10.3997/2214-4609.201700310

Borromeo, Laura; Zimmermann, Udo; Andò, Sergio; Coletti, Giovanni; Bersani, Danilo; Basso, Daniela; Gentile, Paolo; Schulz, Bernhard; Garzanti, Eduardo

(2017)

Raman spectroscopy as a tool for magnesium estimation in Mg-calcite.

Journal of Raman Spectroscopy.

ISSN 0377-0486.

Volum 48.

Hefte 7.

s.983-992.

DOI: 10.1002/jrs.5156

Kallesten, Emanuela Iedidia; Zimmermann, Udo; Madland, Merete Vadla; Minde, Mona Wetrhus

(2017)

Petrological, Mineralogical and Geochemical Constraints on Hydrocarbon Bearing North Sea Reservoir Chalk. I: 19th European Symposium on Improved Oil Recovery/IOR Norway 2017.

European Association of Geoscientists and Engineers (EAGE).

ISBN 978-94-6282-209-2.

DOI: 10.3997/2214-4609.201700300

Borromeo, Laura; Minde, Mona Wetrhus; Toccafondi, Chiara; Zimmermann, Udo; Andò, Sergio; Ossikovski, Razvigor

(2017)

A New Frontier Technique for Nano-analysis on Flooded Chalk - TERS (Tip Enhanced Raman Spectroscopy). I: 19th European Symposium on Improved Oil Recovery/IOR Norway 2017.

European Association of Geoscientists and Engineers (EAGE).

ISBN 978-94-6282-209-2.

DOI: 10.3997/2214-4609.201700290

Andersen, Pål Østebø; Wang, Wenxia; Madland, Merete Vadla; Zimmermann, Udo; Korsnes, Reidar Inge; Bertolino, Silvana R.A.; Minde, Mona Wetrhus; Schulz, Bernhard; Gilbricht, Sabine

(2017)

Comparative study of five outcrop chalks flooded at reservoir conditions: chemo-mechanical behaviour and profiles of compositional alteration.

Transport in Porous Media.

ISSN 0169-3913.

Volum 121.

Hefte 1.

s.135-181.

DOI: 10.1007/s11242-017-0953-6

Zimmermann, Udo; Madland, Merete Vadla; Minde, Mona Wetrhus; Borromeo, Laura; Egeland, Nina

(2017)

Tools to Determine and Quantify Mineralogical Changes During EOR Flooding Experiments on Chalk. I: SPE Abu Dhabi International Petroleum Exhibition & Conference.

Society of Petroleum Engineers.

ISBN 978-1-61399-563-1.

DOI: 10.2118/188297-MS

Naidoo, Thanusha; Zimmermann, Udo; Vervoort, Jeff; Tait, Jenny

(2017)

The elusive snowball earth: U-Pb zircon ages from the upper diamictite of the Gifberg Group, South Africa.

Journal of African Earth Sciences.

ISSN 1464-343X.

Volum 129.

s.307-317.

DOI: 10.1016/j.jafrearsci.2017.01.015

Naidoo, Thanusha; Zimmermann, Udo; Vervoort, Jeff; Tait, Jenny

(2017)

Evidence of early Archean crust in northwest Gondwana, from U–Pb and Hf isotope analysis of detrital zircon, in Ediacaran surpacrustal rocks of northern Spain.

International journal of earth sciences.

ISSN 1437-3254.

Volum 107.

Hefte 2.

s.409-429.

DOI: 10.1007/s00531-017-1500-y

Puetz, Stephen J.; Ganade, Carlos E.; Zimmermann, Udo; Borchardt, Glenn

(2017)

Statistical analyses of Global U-Pb Database 2017.

Geoscience Frontiers (GSF).

ISSN 1674-9871.

Volum 9.

Hefte 1.

s.121-145.

DOI: 10.1016/j.gsf.2017.06.001

Zimmermann, Udo; Kristoffersen, Siv; Fredriksen, Per Ditlef; Bertolino, Silvana; Andò, Sergio; Bersani, Danilo

(2016)

Provenance and composition of unusually chrome and nickel-rich bucket-shaped pottery from Rogaland (southwestern Norway).

Sedimentary Geology.

ISSN 0037-0738.

Volum 336.

s.183-196.

DOI: 10.1016/j.sedgeo.2015.09.001

Wang, Wenxia; Madland, Merete Vadla; Zimmermann, Udo; Nermoen, Anders; Korsnes, Reidar Inge; Bertolino, Silvana R.A.; Hildebrand-Habel, Tania

(2016)

Evaluation of porosity change during chemo-mechanical compaction in flooding experiments on Liege outcrop chalk .

Geological Society Special Publication.

ISSN 0305-8719.

Volum 435.

DOI: 10.1144/SP435.10

Bertolino, Silvana R.; Gastaldi, Marcos R.; Zimmermann, Udo; Laguens, Andrés

(2016)

Clay supply for Aguada ordinary vessels from Piedras Blancas (4th to 12th centuries AC), Ambato Valley (Argentina).

Applied Clay Science.

ISSN 0169-1317.

Volum 131.

s.158-174.

DOI: 10.1016/j.clay.2016.03.019

Zimmermann, Udo; Madland, Merete Vadla; Nermoen, Anders; Hildebrand-Habel, Tania; Bertolino, Silvana A.R.; Hiorth, Aksel; Korsnes, Reidar Inge; Audinot, Jean-Nicolas; Grysan, Patrick

(2015)

Evaluation of the compositional changes during flooding of reactive fluids using scanning electron microscopy, nano-secondary ion mass spectrometry, x-ray diffraction, and whole-rock geochemistry.

American Association of Petroleum Geologists Bulletin.

ISSN 0149-1423.

Volum 99.

Hefte 5.

s.791-805.

DOI: 10.1306/12221412196

Augustsson, Carita; Rüsing, T.; Niemeyer, H; Kooijman, E.; Berndt, J.; Bahlburg, H.; Zimmermann, Udo; Zimmermann, Udo

(2015)

0.3 byr of drainage stability along the palaeozoic palaeo-pacific gondwana margin; a detrital zircon study.

Journal of the Geological Society.

ISSN 0016-7649.

Volum 172.

Hefte 2.

s.186-200.

DOI: 10.1144/jgs2014-065

Zimmermann, Udo; Andersen, Tom; Madland, Merete Vadla; Larsen, Ingrid Skipenes

(2015)

The role of U-Pb ages of detrital zircons in sedimentology-An alarming case study for the impact of sampling for provenance interpretation.

Sedimentary Geology.

ISSN 0037-0738.

Volum 320.

s.38-50.

DOI: 10.1016/j.sedgeo.2015.02.006

Fredriksen, Per Ditlef; Kristoffersen, Siv; Zimmermann, Udo

(2014)

Innovation and Collapse: Bucket-Shaped Pottery and Metalwork in the Terminal Migration Period.

Norwegian Archaeological Review.

ISSN 0029-3652.

Volum 47.

Hefte 2.

s.119-140.

DOI: 10.1080/00293652.2014.945476

Zimmermann, Udo; Bahlburg, Heinrich; Mezger, Klaus; Berndt, Jasper; Kay, Suzanne M.

(2014)

Origin and age of ultramafic rocks and gabbros in the southern Puna of Argentina: An alleged Ordovician suture revisited.

International journal of earth sciences.

ISSN 1437-3254.

Volum 103.

Hefte 4.

s.1023-1036.

DOI: 10.1007/s00531-014-1020-y

van Staden, A; Zimmermann, Udo; Gutzmer, Jens; Germs, G

(2014)

Provenance of the neoproterozoic rocks of the Gifberg group (western South Africa).

South African Journal of Geology.

ISSN 1012-0750.

Volum 117.

Hefte 1.

s.45-66.

DOI: 10.2113/gssajg.117.1.45

Mukhopadhyay, Joydip; Ghosh, Gautam; Zimmermann, Udo; Guha, Susmita; Mukherjee, Titir

(2012)

A 3.51 Ga bimodal volcanics‐BIF‐ultramafic succession from Singhbhum Craton: implications for Palaeoarchaean geodynamic processes from the oldest greenstone succession of the Indian subcontinent.

Geological Journal.

ISSN 0072-1050.

Volum 47.

Hefte 2-3.

s.284-311.

DOI: 10.1002/gj.1314

Fourie, Pieter; Zimmermann, Udo; Beukes, Nicolas J.; Naidoo, Thanusha; Kobayashi, Katsuro; Košler, Jan; Nakamura, Eizo; Tait, Jenny; Theron, Johannes

(2011)

Provenance and reconnaissance study of detrital zircons of the Palaeozoic Cape Supergroup in South Africa: revealing the interaction of the Kalahari and Rio de la Plata cratons.

International journal of earth sciences.

ISSN 1437-3254.

Volum 100.

s.527-541.

DOI: 10.1007/s00531-010-0619-x

Escalona, Alejandro; Cardozo, Nestor; Zimmermann, Udo

(2011)

Regional Geology and Main Hydrocarbon Provinces of South America. I: Introduction to Petroleum Geology (ed. Saxe Lysholm).

ISBN 9788231500223.

s.144-164.

Zimmermann, Udo; Tait, Jennifer; Crowley, Quentin; Pashley, Vanessa; Straathof, Gijs

(2011)

The Witputs diamictite in southern Namibia and associated rocks: constraints for a global glaciation?.

International journal of earth sciences.

ISSN 1437-3254.

Volum 100.

Hefte 2-3.

s.511-526.

DOI: 10.1007/s00531-010-0621-3

Augustsson, Carita; Rüsing, Tobias; Adams, Christopher J.; Chmiel, Hannah; Kocabayoglu, Mert; Büld, Mareike; Zimmermann, Udo; Berndt, Jasper; Kooijman, Ellen

(2011)

Detrital Quartz and Zircon Combined: The Production of Mature Sand with Short Transportation Paths Along the Cambrian West Gondwana Margin, Northwestern Argentina.

Journal of Sedimentary Research.

ISSN 1527-1404.

Volum 81.

Hefte 3-4.

s.284-298.

DOI: 10.2110/jsr.2011.23

Zimmermann, Udo; Poiré, Daniel G.; Peral, Lucía Gómez

(2011)

Neoproterozoic to Lower Palaeozoic successions of the Tandilia System in Argentina: implication for the palaeotectonic framework of southwest Gondwana.

International journal of earth sciences.

ISSN 1437-3254.

Volum 100.

Hefte 2-3.

s.489-510.

DOI: 10.1007/s00531-010-0584-4

Tait, Jennifer; Zimmermann, Udo; Miyazaki, Takashi; Presnyakov, Sergei; Chang, Qing; Mukhopadhyay, Joydip; Sergeev, Sergei

(2011)

Possible juvenile Palaeoarchaean TTG magmatism in eastern India and its constraints for the evolution of the Singhbhum craton.

Geological Magazine.

ISSN 0016-7568.

Volum 148.

Hefte 2.

s.340-347.

DOI: 10.1017/S0016756810000920

Schneiderhan, Eva; Zimmermann, Udo; Gutzmer, Jens; Mezger, Klaus; Armstrong, Richard

(2011)

Sedimentary Provenance of the Neoarchean Ventersdorp Supergroup, Southern Africa: Shedding Light on the Evolution of the Kaapvaal Craton during the Neoarchean.

The Journal of geology.

ISSN 0022-1376.

Volum 119.

Hefte 6.

s.575-596.

DOI: 10.1086/661988

Zimmermann, Udo

(2011)

From fore-arc to foreland: A cross section of the Ordovician in the Central Andes. I: Ordovician of the world.

Instituto Geológico y Minero de Espana.

ISBN 978-84-7840-857-3.

s.667-674.

Zimmermann, Udo

(2011)

Detrital source analysis of Late Ordovician (Hirnantian?) to Silurian deposits of northwestern and eastern Argentina and constraints for paleotectonic evolution. I: Ordovician of the world.

Instituto Geológico y Minero de Espana.

ISBN 978-84-7840-857-3.

s.659-665.

van Staden, A; Zimmermann, Udo; Chemale Jr, F; Gutzmer, Jens; Germs, G

(2010)

Correlation of Ordovician diamictites from Argentina and South Africa using detrital zircon dating.

Journal of the Geological Society.

ISSN 0016-7649.

Volum 167.

s.217-220.

DOI: 10.1144/​0016-76492009-023

Zimmermann, Udo

(2010)

Correlation of neoproterozoic successions by any means? - Comments on interpretations made by Praekelt et al. (2008).

South African Journal of Geology.

ISSN 0371-7208.

Volum 113.

Hefte 1.

s.130-134.

DOI: 10.2113/gssajg.113.1-130

Zimmermann, Udo; Poire, DG; Gomez Peral, LE

(2010)

Neoproterozoic to Lower Palaeozoic successions of the Tandilia System in Argentina: Implication for the palaeotectonic framework of southwest Gondwana.

International journal of earth sciences.

ISSN 1437-3254.

Volum 99.

Hefte 1.

DOI: 10.1007/s00531-010-0584-4

Zimmermann, Udo; Tait, J.; Crowley, Quentin; Pashley, Vanessa; Straathof, Gijs

(2010)

The Witputs diamictite in southern Namibia and associated rocks - constraints for a global glaciation?.

International journal of earth sciences.

ISSN 1437-3254.

s.511-526.

DOI: 10.1007/s00531-010-0621-3

Tait, J.; Zimmermann, Udo; Miyazaki, Takashi; Presnyakov, Sergei; Chang, Qing; Mukhopadhyay, Joydip; Sergeev, Sergei

(2010)

Possible juvenile Palaeoarchaean TTG Magmatism in Eastern India and its constraints for the evolution of the Singhbhum craton.

Geological Magazine.

ISSN 0016-7568.

DOI: 10.1017/S0016756810000920

Blanco, Gonzalo; Rajesh, H; Zimmermann, Udo; Germs, G

(2009)

Chemical composition and tectonic setting of chromian spinels from the Ediacaran-early Palaeozoic Nama Group, Namibia.

The Journal of geology.

ISSN 0022-1376.

Volum 117.

s.325-341.

Zimmermann, Udo; Spalletti, LA

(2009)

Provenance of the Lower Palaeozoic Balcarce Formation (Tandilia System, Buenos Aires Province, Argentina): Implications for palaeogeographic reconstructions of SW Gondwana.

Sedimentary Geology.

ISSN 0037-0738.

Volum 219.

Zimmermann, Udo; Niemeyer, H; Meffre, S

(2009)

Revealing the continental margin of Gondwana: The Ordovician arc of the Cordón de Lila (northern Chile).

International journal of earth sciences.

ISSN 1437-3254.

Mukhopadhyay, Joydip; Beukes, N.J.; Armstrong, R.A.; Zimmermann, Udo; Ghosh, Gautam; Medda, R.A.

(2008)

Dating the oldest greenstone in India: A 3.51-Ga precise U-PbSHRIMP zircon age for dacitic lava of the southern Iron Ore Group, Singhbhum craton.

The Journal of geology.

ISSN 0022-1376.

Volum 116.

Hefte 5.

s.449-461.

DOI: 10.1086/590133

Bøker og kapitler

Hystad, H.

(2020)

High resolution heavy mineral studies from Silurian to Triassic successions exposed in the Altiplano of Bolivia (Central Andes).

Universitetet i Stavanger.

Nerhus, Irene

(2020)

Systematic atomic force microscopy and constraints for the determination of wettability and EOR research .

Universitetet i Stavanger.

Minde, Mona Wetrhus

(2018)

“Mineral Replacements in Flooding Experiments Linked to Enhanced Oil Recovery in Chalk”.

Universitetet i Stavanger.

ISBN 978-82-7644-799-6.

Borromeo, Laura; Andò, Sergio

(2018)

Raman spectroscopy applied to the mineralogical analysis of flooded chalk.

Universitetet i Stavanger.

Hefte 403.

Wang, Wenxia

(2018)

Geological and Engineering Aspects of Chemo-Mechanical Compaction during Flooding Experiments on High-Porosity Chalks.

Universitetet i Stavanger.

Bredal, Tine Vigdel

(2018)

Micro- and nano-analyses of fracture-filling after flooding on-shore chalk with different IOR fluids.

Universitetet i Stavanger.

Kavli, Emilie

(2018)

Characterization of Nannofacies in Upper Cretaceous Chalks used in IOR research.

Universitetet i Stavanger.

Thu, Rowena Su Wen Shi

(2018)

Systematic Specific Surface Area Analyses on Rocks to Implement as a Necessary, Quick, and Informative Method to Understand Geo-Mechanical Parameter in IOR Experiments.

Universitetet i Stavanger.

Gjersdal, Siri gloppen

(2018)

TEM, SEM and optical microscopy analyses of Berea sandstone cores flooded with sodium silicate polymer fo IOR purposes.

Universitetet i Stavanger.

Dieset, Jacob

(2018)

Age and Provenance study of Paleoarchean rocks from the Singhbhum Craton (India).

Universitetet i Stavanger.

Myhre, Alexandra Elisabeth

(2017)

High-resolution heavy mineral stratigraphy on neoproterozoie succession underlying the Nama group in Namibia.

Solvang, André

(2017)

High-resolution heavy mineral studies on "black sands" from the Nama Group (Fish River Subgroup) in Namibia.

Øxnevad, Sigrid

(2017)

High-resolution heavy mineral studies on "black sands" from the Nama Group (Fish River Subgroup) in Namibia - Part I.

Minde, Mona Wetrhus

(2015)

Micro- and naon-applications to monitor the rock-fluid interaction in fractured chalk.

Universitetet i Stavanger.

Egeland, Nina

(2015)

Raman Spectroscopy Applied to Enhanced Oil Recovery Research.

Universitetet i Stavanger.

Kallesten, Emanuela Iedidia

(2015)

The North Sea Reservoir Chalk Characterization.

Universitetet i Stavanger.

Formidling

Cardozo, Nestor; Watson, Lisa; Escalona, Alejandro; Augustsson, Carita; Zimmermann, Udo; Hiorth, Aksel; Bratvold, Reidar Brumer; Puntervold, Tina; Weibull, Wiktor Waldemar; Andersen, Pål Østebø

(2023)

Det grønne skiftet trenger naturvitenskapene – også ved UiS!.

Stavanger Aftenblad.

ISSN 0804-8991.

Kallesten, Emanuela Iedidia; Zimmermann, Udo; Omdal, Edvard; Andersen, Pål Østebø; Korsnes, Reidar Inge; Madland, Merete Vadla

(2019)

Permeability evolution of shear failing chalk cores under thermochemical influence.

IOR NORWAY 2019;

2019-03-19 - 2019-03-20.

Kallesten, Emanuela Iedidia; Madland, Merete Vadla; Korsnes, Reidar Inge; Omdal, Edvard; Zimmermann, Udo; Andersen, Pål Østebø

(2019)

Permeability Evolution of Shear Failing Chalk Cores under Thermochemical Influence.

IOR 2019 – 20th European Symposium on Improved Oil Recovery ;

2019-04-08 - .

Bredal, Tine Vigdel; Madland, Merete Vadla; Minde, Mona Wetrhus; Zimmermann, Udo

(2019)

Mineralogical understanding of rock composition and mineralogical changes before and after EOR experiments.

IOR konferanse 2019;

2019-03-19 - 2019-03-20.

Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla

(2019)

A toolbox for characterization of chalk.

Goldschmidt 2019;

2019-08-19 - 2019-08-23.

Kallesten, Emanuela Iedidia; Andersen, Pål Østebø; Berawala, Dhruvit Satishchandra; Korsnes, Reidar Inge; Madland, Merete Vadla; Omdal, Edvard; Zimmermann, Udo

(2019)

Modelling of Permeability and Strain Evolution in Chemical Creep Compaction Experiments with Fractured and Unfractured Chalk Cores Conducted at Reservoir Conditions.

Abu Dhabi International Petroleum Exhibition & Conference;

2019-11-11 - .

Bredal, Tine Vigdel; Zimmermann, Udo; Minde, Mona Wetrhus; Madland, Merete Vadla

(2019)

Mineralogical changes in EOR experiments in fractured chalk .

Goldschmidt;

2019-08-19 - 2019-08-23.

Kallesten, Emanuela Iedidia; Madland, Merete Vadla; Korsnes, Reidar Inge; Zimmermann, Udo; Andersen, Pål Østebø

(2018)

Permeability and Stress State.

IOR NORWAY 2018;

2018-04-24 - .

Minde, Mona Wetrhus; Sachdeva, Jaspreet Singh; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge; Nermoen, Anders

(2018)

Mineral alterations in water wet and mixed wet chalk due to flooding of seawater-like brines .

IOR NORWAY 2018;

2018-04-24 - 2018-04-25.

Bredal, Tine Vigdel; Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge; Ruud, Caroline

(2018)

Micro- and nano-analyses of fracture-filling after flooding on-shore chalk with different IOR fluids .

IOR NORWAY 2018;

2018-04-24 - 2018-04-25.

Kavli, Emilie; Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge; Erba, Elisabetta

(2018)

The impact of paleontological components on IOR experiments and upscaling from pore to core and larger scales.

IOR NORWAY 2018;

2018-04-24 - 2018-04-25.

Gjersdal, Siri gloppen; Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla; Hiorth, Aksel; Giske, Nils Harald; Stavland, Arne

(2018)

Polymer-injection for IOR purposes at the Norwegian Continental shelf – micro- and nanoanalytical approach for the understanding of phase-formation and its implication for upscaling.

IOR NORWAY 2018;

2018-04-24 - 2018-04-25.

Thu, Rowena Su Wen Shi; Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge; Kalai, Dori Yosef

(2018)

Systematic specific surface area analyses on rocks to implement as a necessary, quick and informative method to understand geomechanical parameter in IOR experiments.

IOR NORWAY 2018;

2018-04-24 - 2018-04-25.

Minde, Mona Wetrhus; Korsnes, Reidar Inge; Egeland, Nina; Madland, Merete Vadla; Zimmermann, Udo

(2018)

Mineralogical alterations in calcite powder flooded with MgCl2 to study underlying Enhanced Oil Recovery (EOR) mechanisms .

CPM 8;

2018-05-06 - 2018-05-09.

Korsnes, Reidar Inge; Minde, Mona Wetrhus; Madland, Merete Vadla; Zimmermann, Udo

(2018)

Core Scale Experiments and Submicron Studies.

Meeting with scientific commitee ;

2018-04-26.

Korsnes, Reidar Inge; Minde, Mona Wetrhus; Madland, Merete Vadla; Zimmermann, Udo

(2018)

Can we control water induced compaction in chalk reservoirs? Experiences from in-situ core and pore scale studies.

DHRTC - MODIFIED SALINITY WATER FLOODING WORKSHOP;

2018-06-15.

Korsnes, Reidar Inge; Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla

(2018)

Pore-Fluid Composition and Mechanical Properties of the Reservoir Understanding the Geomechanical Effects of EOR Fluids .

IEA-IOR;

2018-09-04 - 2018-09-06.

Vinningland, Jan Ludvig; Valestrand, Randi; Hiorth, Aksel; Bjørnstad, Tor; Klöfkorn, Robert; Viig, Sissel Opsahl; Jettestuen, Espen; Skjæveland, Svein Magne; Zimmermann, Udo; Stavland, Arne; Nævdal, Geir; Madland, Merete Vadla

(2018)

The National IOR Centre of Norway.

6th November Conference;

2018-11-12 - 2018-11-14.

Borromeo, Laura; Zimmermann, Udo; Andò, Sergio; Egeland, Nina; Garzanti, Eduardo; Madland, Merete Vadla; Korsnes, Reidar Inge

(2018)

Raman spectroscopy and TERS for the oil industry: new tools for mineralogical and chemical characterization .

XIII conference GEORAMAN;

2018-06-10 - 2018-10-14.

Lopez, Shirley Velasquez; Conde, S.M.; Cuellar, K.A.; Tarqui, J.; Zimmermann, Udo; Ruud, Caroline; Støraas, Ø; Solvang, A.; Berndt, Jasper; Bertolino, S.R.A.

(2018)

Provenance of Devonian rocks of the Bolivian Altiplano. .

11th South American Symposium on Isotope Geology (SSAGI);

2018-07-22 - 2018-07-25.

Lopez, Shirley Velasquez; Cuenca, M.A.C.; Silva, P.J.E.; Ramirez, W.; Zimmermann, Udo; Ruud, Caroline; Berndt, Jasper

(2018)

Provenance of the Oligocene to Miocene Aranjuez Formation at La Paz (Bolivia) and modern river sediments of the Bolivian Altiplano. .

11th South American Symposium on Isotope Geology (SSAGI);

2018-07-22 - 2018-07-25.

Lopez, Shirley Velasquez; Di Pasquo, Mercedes; Ruud, Caroline; Hatløy, Sveinung; Kristoffersen, Signe; Mehus, Trine; Skarstein, Guro; Zimmermann, Udo; Andersen, Tom; Berndt, Jasper; Matos, Ramiro

(2018)

Provenance of Ordovician(?) to Silurian strata in the Bolivian Altiplano.

11th South American Symposium on Isotope Geology (SSAGI);

2018-07-22 - 2018-07-25.

Bahlburg, Heinrich; Zimmermann, Udo; Matos, R.; Jimenez, N.

(2018)

The enigmatic pre-Devonian volcanic and sedimentary rocks at Cerro Chilla, northern Altiplano, Bolivia – their probable age, regional context and geodynamic significance..

XV Congreso Geológico Chileno;

2018-11-18 - 2018-11-23.

Bahlburg, Heinrich; Zimmermann, Udo; Jimenez, N.; Matos, R.

(2018)

The enigmatic volcanic and sedimentary rocks at Cerro Chilla, northern Altiplano, Bolivia – their probable age, regional context and geodynamic significance..

XIX Congreso Peruano de Geología,;

2018-09-23 - .

Bahlburg, Heinrich; Zimmermann, Udo; Jimenez, N.; Matos, R.

(2018)

The volcanic and sedimentary rocks at Cerro Chilla, Bolivia: Their probable age, regional context and geodynamic significance..

11th South American Symposium on Isotope Geology (SSAGI);

2018-07-22 - 2018-07-25.

Lopez, Shirley Velasquez; Gareca, Q.M.R.; Mendoza, S.G.C.; Zimmermann, Udo; Ruud, Caroline; Berndt, Jasper

(2018)

Provenance of the Carboniferous to Permian Copacabana Formation of the Bolivian Altiplano.

11th South American Symposium on Isotope Geology (SSAGI);

2018-07-22 - 2018-07-25.

Arntzen, S.K.; Olsen, T.M.; Lopez, Shirley Velasquez; Di Pasquo, Mercedes; Zimmermann, Udo; Ruud, Caroline; Berndt, Jasper

(2018)

Devonian or Carboniferous glaciations in the Bolivian Altiplano: Constraints from detrital zircon age dating.

11th South American Symposium on Isotope Geology (SSAGI);

2018-07-22 - 2018-07-25.

Zimmermann, Udo; Moya, M.C.; Berndt, Jasper; Naidoo, T.; Lopez, Shirley

(2018)

No ‘snowball earth’ in Las Tienditas (South of Salta, NW Argentina).

11th South American Symposium on Isotope Geology (SSAGI);

2018-07-22 - 2018-07-25.

Berg-Larsen, C.; Hystad, H.; Nerhus, Irene; Skjeldal, M.E.; Ruud, Caroline; Zimmermann, Udo; Lopez, Shirley; Bertolino, S.A.R,.; Berndt, Jasper

(2018)

Provenance of Permo-Triassic rocks in the Bolivian Altiplano. .

11th South American Symposium on Isotope Geology (SSAGI);

2018-07-22 - 2018-07-25.

Ramos, J.; Ruud, Caroline; Zimmermann, Udo; Bertolino, S.A.R.; Lopez, Shirley; Berndt, Jasper

(2018)

Some constraints of metamorphic rocks from El Peñon in the southern Puna of Argentina. .

11th South American Symposium on Isotope Geology (SSAGI);

2018-07-22 - 2018-07-25.

Minde, Mona Wetrhus; Haser, Sabine; Korsnes, Reidar Inge; Zimmermann, Udo; Madland, Merete Vadla

(2017)

Comparative Studies of Mineralogical Alterations of Three Ultra-long-term Tests of Onshore Chalk at Reservoir Conditions.

19th European Symposium on Improved Oil Recovery/IOR NORWAY 2017;

2017-04-24 - 2017-04-27.

Egeland, Nina; Minde, Mona Wetrhus; Kobayashi, Katsura; Ota, Tsutomu; Nakamura, Eizo; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge

(2017)

Quantification of Mineralogical Changes in Flooded Carbonate under Reservoir Conditions.

19th European Symposium on Improved Oil Recovery/IOR Norway 2017;

2017-04-24 - 2017-04-27.

Borromeo, Laura; Minde, Mona Wetrhus; Zimmermann, Udo; Andò, Sergio; toccafondi, chiara; Ossikovski, Razvigor

(2017)

A new frontier technique for nano-analysis on flooded chalk: TERS (Tip Enhanced Raman Spectroscopy) .

EAGE - 19th European Symposium on Improved Oil Recovery ;

2017-04-24 - 2017-04-27.

Kallesten, Emanuela Iedidia; Zimmermann, Udo; Minde, Mona Wetrhus; Madland, Merete Vadla

(2017)

Petrological, Mineralogical and Geochemical Constraints on Hydrocarbon Bearing North Sea Reservoir Chalk.

IOR 2017 - 19th European Symposium on Improved Oil Recovery;

2017-04-24 - 2017-04-27.

Borromeo, Laura; Zimmermann, Udo; Andò, Sergio; Minde, Mona Wetrhus; Egeland, Nina; toccafondi, chiara; Ossikovski, Razvigor

(2017)

Micro-Raman spectroscopy and TERS (Tip Enhanced Raman Spectroscopy) applied to Enhanced Oil Recovery .

Nano Innovation 2017;

2017-09-26 - 2017-09-29.

Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla

(2017)

Understanding EOR mechanisms.

Lunch and Learn ConocoPhillips;

2017-10-20.

Minde, Mona Wetrhus; Madland, Merete Vadla; Zimmermann, Udo

(2017)

From Core to Pore to Field.

NFiP annual one day seminar 2017;

2017-11-16.

Zimmermann, Udo; Madland, Merete Vadla; Minde, Mona Wetrhus; Borromeo, Laura; Egeland, Nina

(2017)

Tools to Determine and Quantify Mineralogical Changes During EOR Flooding Experiments on Chalk.

Abu Dhabi International Petroleum Exhibition & Conference;

2017-11-13 - 2017-11-16.

Egeland, Nina; Minde, Mona Wetrhus; Kobayashi, Katsura; Ota, Tsutomu; Nakamura, Eizo; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge

(2017)

Quantification of Mineralogical Changes in Flooded Carbonate under Reservoir Conditions.

2nd Reservoir Characterization Conference;

2017-12-05 - 2017-12-06.

Egeland, Nina; Madland, Merete Vadla; Zimmermann, Udo; Kobayashi, Katsura; Nakamura, Eizo; Ota, Tsutomu; Minde, Mona Wetrhus; Korsnes, Reidar Inge

(2016)

Mineralogical and chemical alteration of calcite by MgCl2 injection.

Misasa International Symposium 2016;

2016-03-08 - 2016-03-11.

Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge

(2016)

Micron and submicron investigation - what can we learn?.

IOR NORWAY 2016;

2016-04-25 - 2016-04-27.

Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge

(2016)

"Understanding EOR mechanisms at pore-scale".

IOR NORWAY 2016;

2016-04-25 - 2016-04-27.

Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge

(2016)

Is the devil in the details? Micron and submicron investigation - what can we learn?.

Visit from the Danish IOR Centre;

2016-05-10.

Borromeo, Laura; Egeland, Nina; Minde, Mona Wetrhus; Zimmermann, Udo; Andò, Sergio; toccafondi, chiara; Ossikovski, Razvigor

(2016)

Micro- and Nano- Raman analyses of chalk.

IOR NORWAY 2016;

2016-04-26 - 2016-04-27.

Egeland, Nina; Zimmermann, Udo; Borromeo, Laura; Andò, Sergio; Madland, Merete Vadla; Minde, Mona Wetrhus; Korsnes, Reidar Inge

(2016)

Raman spectroscopy applied to enhanced oil recovery research.

Goldschmidt conference 2016;

2016-06-26 - 2016-07-01.

Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge

(2016)

Studies of Mineralogical Changes for the Understanding of Enhanced Oil Recovery Mechanisms at Porescale.

Goldschmidt Conference 2016;

2016-06-26 - 2016-07-01.

Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge; Schulz, Bernhard; Audinot, Jean-Nicolas

(2016)

Fluid-flow during EOR experiments in chalk: insights using SEM-MLA, EMPA and nanoSIMS applications.

SCA annual symposium;

2016-08-21 - 2016-08-26.

Borromeo, Laura; Zimmermann, Udo; Andò, Sergio; coletti, giovanni; Bersani, Danilo; Egeland, Nina; Basso, Daniela; Gentile, Paolo; Garzanti, Eduardo

(2016)

Raman Spectroscopy as a tool for magnesium estimation in Mg-calcite..

Goldschmidt Conference;

2016-06-26 - 2016-07-01.

Egeland, Nina; Zimmermann, Udo; Borromeo, Laura; Andò, Sergio; Madland, Merete Vadla; Minde, Mona Wetrhus; Korsnes, Reidar Inge

(2016)

Raman Spectroscopy Applied to Enhanced Oil Recovery Research.

Goldschmidt Abstracts 2016.

Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla; Audinot, Jean-Nicolas; Grysan, Patrick; Schulz, Bernhard; Haser, Sabine; Korsnes, Reidar Inge; Gutzmer, Jens

(2015)

Development of a natural fractureduring flooding experiments for EOR purposes.

NGF Vinterkonferansen 2015;

2015-01-12 - 2015-01-14.

Nermoen, Anders; Korsnes, Reidar Inge; Madland, Merete Vadla; Minde, Mona Wetrhus; Zimmermann, Udo; Hildebrand-Habel, Tania

(2015)

“How simple brine tests can be used to understand chalk core dynamics – Insights from long-term experiments”.

IEA Collaborative Project, 36th EOR Workshop & Symposium;

2015-09-06 - 2015-09-11.

Wang, Wenxia; Madland, Merete Vadla; Zimmermann, Udo; Korsnes, Reidar Inge; Hildebrand-Habel, Tania

(2015)

The effects of temperature on porosity development in flooded Aalborg chalk for EOR.

AAPG;

2015-09-13 - 2015-09-16.

Minde, Mona Wetrhus; Zimmermann, Udo; Madland, Merete Vadla

(2015)

Micro-scale Characterization of Mineralogical Alterations of Fine-grained Sedimentary Rocks in an EOR perspective.

NPF conference: "Reservoir Characterization";

2015-12-02 - 2015-12-03.

Augustsson, Carita; Rüsing, T.; Niemeyer, H; Kooijman, E; Berndt, J; Bahlburg, Heinrich; Zimmermann, Udo

(2014)

0.3 b. y. of drainage stability along the Palaeozoic western Gondwana margin - detrital zircon evidence.

31st Nordic Winter Meeting;

2014-01-08 - 2014-01-10.

Buan, I; Ringen, I; Ruud, C; Zimmermann, Udo; Madland, Merete Vadla; Korsnes, Reidar Inge

(2014)

Porosity, permeability and specific surface area measurements on Ediacaran to Mesozoic siliciclastic and carbonatic rocks form northern Spain: A case study.

Reservoir Quality of Clastic and Carbonate Rocks: Analysis, Modelling and Prediction;

2014-05-28 - 2014-05-30.

Kallesten, E; Gómez, I.R.; Rojo, L.A.; Zimmermann, Udo; Madland, Merete Vadla; Hildebrand-Habel, Tania; Vagle, Kåre

(2014)

North Sea reservoir chalk: First results from chemostratigraphic and mineralogical studies.

Reservoir Quality of Clastic and Carbonate Rocks: Analysis, Modelling and Prediction;

2014-05-28 - 2014-05-30.

Minde, Mona W.; Zimmermann, Udo; Madland, Merete Vadla

(2014)

Chemostratigraphy of the Early Cretaceous Mattinata Formation in eastern Italy.

Reservoir Quality of Clastic and Carbonate Rocks: Analysis, Modelling and Prediction;

2014-05-28 - 2014-05-30.

Wang, Wenxia; Korsnes, Reidar Inge; Nermoen, Anders; Madland, Merete Vadla; Zimmermann, Udo; Hildebrand-Habel, Tania

(2014)

Porosity development during chemo-mechanical compaction in chalk.

Reservoir Quality of Clastic and Carbonate Rocks: Analysis, Modelling and Prediction;

2014-05-28 - 2014-05-30.

Bertolino, S.R.A.; Zimmermann, Udo; Gastaldi, M.R.; Laguens, A

(2014)

The ceramics and pigments from Piedras Blancas (600-1000 AC), Aguada Culture: clay provision, technology, and social change at the Ambato Valley (Argentina).

Foredrag;

2014-04-24 - 2014-04-26.

Zimmermann, Udo; Bahlburg, H.; Mezger, K.; Berndt, J.; Kay, S.M

(2014)

Origin and age of ultramafic rocks and gabbros in the southern Puna of Argentina: An alleged Ordovician suture revisited.

Foredrag;

2014-06-02 - 2014-06-06.

Nermoen, Anders; Korsnes, Reidar Inge; Hildebrand-Habel, Tania; Zimmermann, Udo; Bollhorn, Peter; Foged Christensen, Helle; Ancker Agergaard, Frederic; Trads, Niels; Pedersen, Janne; Jettestuen, Espen; Vinningland, Jan Ludvig; Evje, Steinar; Andersen, Pål Østebø; Hiorth, Aksel; Madland, Merete Vadla

(2014)

Water weakening of chalk at realistic reservoir conditions.

JCR-7 Symposium 2014;

2014-09-19 - 2014-09-21.

Støle, L; Zimmermann, Udo; Madland, Merete Vadla

(2013)

Provenance, age and tectonic setting of the Barrios Formation and Hirnantian glacial diamictites from northern Spain.

Norsk Geologisk Forening Vinterkonferansen ;

2013-01-08 - 2013-01-10.

Sivertsen, N.; Zimmermann, Udo; Madland, Merete Vadla

(2013)

Provenance, age and tectonic setting of the Lower Paleozoic Oville and San Pedro Formations (northern Spain).

Norsk Geologisk Forening Vinterkonferansen ;

2013-01-08 - .

Minde, Mona; Zimmermann, Udo; Madland, Merete Vadla

(2013)

Chalk and chert of the Mattinata Formation (NE Apulia, Italy).

Norsk Geologisk Forening Vinterkonferansen ;

2013-01-08 - .

Kallesten, E.; Zimmermann, Udo; Madland, Merete Vadla

(2013)

High-resolution C-O stable isotope analyses on Pliensbachian belemnites from the Rodiles Formation (northern Spain).

Norsk Geologisk Forening Vinterkonferansen ;

2013-01-08 - .

Wang, Wenxia; Zimmermann, Udo; Madland, Merete Vadla; Bertolino, S.R.A.; Lie, B.V.; Morosova, V.

(2013)

The search of on-shore equivalents for reservoir chalk in the North Sea: Rare Earth Elements, d13C and d18O isotopes as indicators?.

Norsk Geologisk Forening Vinterkonferansen ;

2013-01-08 - .

Zimmermann, Udo; Madland, Merete Vadla; Bertolino, S.R.A.; Hildebrand-Habel, Tania; Hiorth, Aksel; Korsnes, Reidar Inge

(2013)

Tracing Fluid Flow in Flooded Chalk under Long Term Test Conditions.

EAGE Annual Conference & Exhibition incorporating SPE Europec in London;

2013-06-10 - .

Madland, Merete Vadla; Zimmermann, Udo; Haser, S.; Audinot, J.N.; Gysan, P.

(2013)

Neoformed Dolomite in Flooded Chalk for EOR.

EAGE Annual Conference & Exhibition incorporating SPE Europec in London;

2013-06-10 - .

Wang, Wenxia; Madland, Merete Vadla; Zimmermann, Udo; Bertolini, S.A.R.; Hildebrand-Habel, Tania; Korsnes, Reidar Inge

(2013)

Geochemistry and isotope geochemistry of Upper Cretaceous chalk as equivalent for reservoir chalk of the North sea Basin for EOR.

Goldschmidt conference 2013;

2013-08-25 - 2013-08-30.

Augustsson, Carita; Rüsing, Tobias; Niemeyer, H; Kooijman, E; Berndt, Jasper; Bahlburg, Heinrich; Zimmermann, Udo

(2013)

Drainage stability throughout the Palaeozoic along the western Gondwana margin - U-Pb ages of detrital zircons.

Sedimentary Basins Jena 2013 - Research, Modeling, Exploration ;

2013-09-23 - 2013-09-25.

Bertolino, Silvana; Gastaldi, M.R.; Zimmermann, Udo

(2013)

Vasijas ordinarias de la Cultura Aguada Del Sitio Piedras Blancas: Procuramiento de arcillas, consumo y cambio social en el Valle de Ambato (S. Iv A Xii D.C), Noroeste de Argentina.

V Congreso Nacional De Arqueometría, Primer Encuentro Latinoamericano de Tecnologias historicas;

2013-10-23 - 2013-10-25.

Bertolino, Silvana; Zimmermann, Udo; Madland, Merete Vadla; Hildebrand-Habel, Tania; Hiorth, Aksel; Korsnes, Reidar Inge

(2013)

Mineralogy, geochemistry and isotope geochemistry to reveal fluid flow processes in flooded chalk under long term test conditions for EOR purposes.

XV International Clay Conference;

2013-07-07 - 2013-07-11.

Bertolino, Silvana; Zimmermann, Udo

(2013)

Before the pot: tracking the possible clay source of Aguada culture (300-1000AC) ceramics and pigments, Catamarca, Argentina.

XV International Clay Conference;

2013-07-07 - 2013-07-11.

Zimmermann, Udo; Bjørheim, Maren; Clark, C.

(2013)

Pan-Africa/Pan-Brazilian detrital zircons in Lower Palaeozoic schists of SW Norway – enigmatic detrital zircon U-Pb ages.

EUG 2013;

2013-04-07 - 2013-04-12.

Wang, Wenxia; Madland, Merete Vadla; Zimmermann, Udo; Bertolini, S.A.R.; Hildebrand-Habel, Tania; Korsnes, Reidar Inge

(2013)

Geochemistry and isotope geochemistry of Upper Cretaceous chalk as equivalent for reservoir chalk of the North sea Basin for EOR.

Mineralogical magazine.

ISSN 0026-461X.

Volum 77.

Hefte 5.

s.2456-2456.

Wang, Wenxia; Madland, Merete Vadla; Zimmermann, Udo; Bertolino, S.R.A.; Hildebrand-Habel, Tania; Korsnes, Reidar Inge

(2013)

Geochemistry and nano-structure of putative filamentous microbes from the 3.24 Ga Sulfur Springs Group, Pilbara, Western Australia.

2013. Geochemistry and isotope geochemistry of Upper Cretaceous chalk as equivalent for reservoir chalk of the North Sea Basin for EOR, Goldschmidt 2013;

2013-08-25 - 2013-08-30.

Wang, Wenxia; Madland, Merete Vadla; Zimmermann, Udo; Bertolini, S.A.R.; Hildebrand-Habel, Tania; Reidar, Inge

(2013)

Geochemistry and isotope geochemistry of Upper Cretaceous chalk as equivalent for reservoir chalk of the North sea Basin for EOR.

Goldschmidt conference;

2013-08-25 - 2013-08-30.

Bråtveit, J.; Liknes, J.; Zimmermann, Udo; Madland, Merete Vadla; Bertolino, S.R.A.; Tait, J.A.

(2012)

Provenance and hydrocarbon content of Neoproterozoic to Palaeozoic shales in northern Spain.

30th Nordic Geological Winter Meeting;

2012-01-09 - .

Skripnes Larsen, I.; Støle, L.; Øye, S.; Zimmermann, Udo; Madland, Merete Vadla; Bertolino, S.R.A.; Moczydlowska-Vidal, M.

(2012)

Provenance of the Precambrian-Lower Cambrian Herreria Formation in northern Spain.

30th Nordic Geological Winter Meeting;

2012-01-09 - .

Øye, Susanne; Støle, L; Larsen, S.I.; Moczydlowska-Vidal, Malgorzata; Zimmermann, Udo; Madland, Merete Vadla

(2012)

Bio- and lithostratigraphy of the Precambrian-Lower Cambrian Herreria Formation in northern Spain.

30th Nordic Geological Winter Meeting;

2012-01-09 - 2012-12-12.

Kallesten, E.; Minde, Mona; Moczydlowska-Vidal, Malgorzata; Zimmermann, Udo

(2012)

Ar-Ar ages, provenance and palaeontology of Lower Cambrian successions from Bornholm (Denmark).

30th Nordic Geological Winter Meeting;

2012-01-09 - 2012-01-12.

Bjørheim, Maren; Zimmermann, Udo; Clark, Chris

(2012)

Age of metasedimentary rocks and metaigneous bodies in Jæren (western Norway).

30th Nordic Geological Winter Meeting;

2012-01-09 - 2012-12-12.

Zimmermann, Udo; Naidoo, Thanusha; Vervoort, Jeff

(2012)

Detrital zircon provenance of Late Ordovician to Early Silurian successions in Northwest Argentina.

30th Nordic Geological Winter Meeting;

2012-01-09 - 2012-01-12.

Naidoo, Thanusha; Zimmermann, Udo; Tait, Jenny; Vervoort, Jeff

(2012)

Finally a snowball earth tillite? – Detrital zircons with a Gaskier ages in the diamictitic Bloupoort Formation of South Africa.

30th Nordic Geological Winter Meeting;

2012-01-09 - 2012-01-12.

Naidoo, Thanusha; Zimmermann, Udo; Bertolino, Silvana; Vervoort, Jeff; Moczydlowska-Vidal, Malgorzata; Hatløy, Sveinung; Vigre, Pål; Tait, Jennifer

(2012)

Provenance, age and palaeontology of the Ediacaran Mora Formation (northern Spain).

30th Nordic Geological Winter Meeting;

2012-01-09 - 2012-01-12.

Zimmermann, Udo

(2011)

Correlation and palaeoclimatology of sedimentary rocks using petrology, geochemistry, chemostratigraphy and non-traditional isotope systems: Problems and achievements.

Vinterkonferansen 2011;

2011-01-11 - 2011-01-13.

Naidoo, Thanusha; Zimmermann, Udo; Miyazaki, Takashi

(2011)

Isotope study of Neoproterozoic to Lower Palaeozoic successions of the southern Kalahari craton.

Vinterkonferansen 2011;

2011-01-11 - 2011-01-13.

Bjørheim, Maren; Zimmermann, Udo; Clark, Christopher J.; Hildebrand-Habel, Tania

(2011)

SHRIMP II age dating of magmatic and detrital zircons from metamorphic successions in the vicinity of Stavanger – a reconnaissance study.

Vinterkonferansen 2011;

2011-01-11 - 2011-01-13.

Frøyland, Nina; Zimmermann, Udo

(2011)

New findings of Reptile bone fragments in the Hasle Formation from Bornholm (Denmark).

Vinterkonferansen 2011;

2011-01-11 - 2011-01-13.

Immerstein, Tonje; Mehus, Trine; Zimmermann, Udo; Bertolino, Silvana; Madland, Merete Vadla; Tait, Jenny

(2011)

Chemostratigraphy and geochemistry of Pliensbachian carbonate successions from northern Spain.

Vinterkonferansen 2011;

2011-01-11 - 2011-01-13.

Kristoffersen, Siv; Zimmermann, Udo; Bertolino, Silvana; Hauken, Åsa Dahlin; Ravn, Mads

(2011)

Provenance of pottery from Rogaland: Insights into the manufacturing development of authochtoneous bucket-shaped pot culture.

Vinterkonferansen 2011;

2011-01-11 - 2011-01-13.

Kverneland, Karoline; Vindenes, Kristine; Schmalholz, Martina; Zimmermann, Udo; Bertolino, Silvana; Madland, Merete Vadla; Tait, Jenny; Bechstaedt, Thilo

(2011)

Chemostratigraphy and geochemistry of Lower to Middle Cambrian carbonates in northern Spain and its significance for the understanding of facies changes.

Vinterkonferansen 2011;

2011-01-11 - 2011-01-13.

Larsen, Marie; Zimmermann, Udo; Bertolino, Silvana; Gustavsen, Hendrik; Utvik, Christian; Madland, Merete Vadla; Cooper, Mark A; Mitchell, Ian; Cayecedo, Alberto

(2011)

Chemostratigraphy, facies determination and mechanical properties of Upper Cretaceous chalk deposits in Northern Ireland.

Vinterkonferansen 2011;

2011-01-11 - 2011-01-13.

Lie, Vivek; Fernandez Bulfa, Ednella; Zimmermann, Udo; Bertolino, Silvana; Madland, Merete Vadla; Tait, Jenny

(2011)

Environmental constraints for Late Cretaceous to Early Palaeocene chalk successions from the North Sea.

Vinterkonferansen 2011;

2011-01-11 - 2011-01-13.

Morosova, Vera; Zimmermann, Udo; Bertolino, Silvana; Madland, Merete Vadla; Tait, Jenny; Hildebrand-Habel, Tania

(2011)

Clay and carbonate mineralogy and chemistry of chalk from selected Late Cretaceous rocks.

Vinterkonferansen 2011;

2011-01-11 - 2011-01-13.

Naidoo, Thanusha; Hatløy, Sveinung; Vigre, Pål; Zimmermann, Udo; Bertolino, Silvana; Moczydlowska-Vidal, Malgorzata; Madland, Merete Vadla; Vervoort, Jeff

(2011)

Provenance, age and origin of Neoproterozoic successions of northern Spain (Cantabrian Mountains).

Vinterkonferansen 2011;

2011-01-11 - 2011-01-13.

Kristoffersen, Siv; Zimmermann, Udo; Bertolino, Silvana; Hauken, Åsa Dahlin; Ravn, Mads

(2011)

Provenance of pottery from Rogaland: Deciphering the manufacturing evolution of bucket-shaped pot culture (Procedencia de la cerámica de Rogaland: Investigando la evolución del proceso de la manufactura de ‘bucket shaped’ cerámica).

IV Congreso Argentino de Arqueometría;

2011-11-08 - 2011-11-11.

Bertolino, S.R.A.; Zimmermann, Udo; Galvan, V; Laguens, A

(2011)

Composicion mineralogica y quimica y posible proveniencia de ceramica pre y post-hispanica del Valle del rio Copacabana, Noroeste de Cordoba. I: La Arqueometria en Argentina y Latinoamerica.

ISBN 978-950-33-0849-3.

s.35-42.

Naidoo, Thanusha; Zimmermann, Udo; Miyazaki, Takashi; Vervoort, Jeff

(2011)

Isotope study of Neoproterozoic to Lower Palaeozoic successions of the S Kalahari craton.

Mineralogical magazine.

ISSN 0026-461X.

Volum 75.

Hefte 3.

s.1523-1523.

Kristoffersen, Siv; Zimmermann, Udo; Ravn, Mads; Hauken, Åsa Dahlin; Bertolino, SRL

(2010)

Provenance studies on pottery sherds from Rogaland: Insights in manufacturing development of the Migration Period bucket-shaped pot culture.

29th Nordic Geological Winter Meeting;

2010-01-11 - 2010-02-13.

Zimmermann, Udo

(2010)

Detrital zircons the major tool or fool for provenance studies?.

29th Nordic Geological Winter Meeting;

2010-01-11 - 2010-01-13.

van Staden, A; Zimmermann, Udo; Gutzmer, Jens; Germs, G; Chemale Jr, F

(2010)

Detrital zircon dating and sediemntology of two Neoproterozoic diamictites from the Gariep Belt (Namibia) and consequences for correlation.

29th Nordic Geological Winter Meeting;

2010-01-11 - 2010-01-13.

Ravn, Mads; Zimmermann, Udo

(2010)

Analysehjelp fra geologer verden rundt.

Zimmermann, Udo

(2010)

Detrital zircons the major tool or fool for provenance studies?.

29th Nordic Geological Winter Meeting;

2010-01-11 - 2010-01-13.

van Staden, A; Zimmermann, Udo; Gutzmer, Jens; Germs, G; Chemale Jr, F

(2010)

Detrital zircon dating and sedimentology of two Neoproterozoic diamictites from the Gariep Belt (Namibia) and consequences for correlation.

29th Nordic Geological Winter Meeting;

2010-01-11 - 2010-01-13.

Rüsing, T.; Augustsson, C.; Kooijman, E; Berndt, J.; Gerdes, A; Bahlburg, H.; Zimmermann, Udo

(2010)

Crustal recycling along the Paleozoic western Gondwana margin (NW Argentina and N Chile).

18th International Sedimentological Congress;

2010-09-26 - 2010-10-04.

Rüsing, T.; Augustsson, C.; Kooijman, E; Berndt, J.; Gerdes, A; Bahlburg, H.; Zimmermann, Udo

(2010)

300 million years of crustal recycling: the NW Argentine and N Chilean west Gondwana margin.

?.

Hefte 72.

Augustsson, C.; Rüsing, T.; Adams, C.J.; Zimmermann, Udo; Chmiel, H; Kocabayoglu, M; Büld, M; Berndt, J.; Kooijman, E.

(2010)

Provenance of mature sandstone: detrital quartz and zircon as source-rock indicators for Cambrian arenite in NW Argentina.

?.

Hefte 72.

Augustsson, C.; Rüsing, T.; Adams, C.J.; Zimmermann, Udo; Chmiel, H; Kocabayoglu, M; Büld, M; Berndt, J.; Kooijman, E

(2010)

Revealing provenance of quartz-rich sandstones using detrital quartz and zircon as source rock indicators: an example from the Cambrian of NW Argentina.

Geophysical Research Abstracts.

ISSN 1029-7006.

Hefte 12.

Augustsson, C.; Rüsing, T.; Adams, C.J.; Zimmermann, Udo; Chmiel, H; Kocabayoglu, M; Büld, M; Berndt, J.; Kooijman, E

(2010)

A continuous transition from the Pampean into the Famatinian orogeny? Provenance implications from quartz and zircons of the Cambrian Mesón Group, NW Argentina.

18th International Sedimentological Congress, Mendoza, Argentina;

2010-09-26 - 2010-10-04.

Zimmermann, Udo; Fourie, Pieter; Naidoo, Thanusha; Staden, A. van; Chemale, F.; Nakamura, E.; Kobayashi, J.; Kosler, J.; Beukes, N.; Tait, J.

(2009)

Unroofing the Kalahari craton: Provenance data from Neoproterozoic to Paleozoic successions.

Geochimica et Cosmochimica Acta.

ISSN 0016-7037.

Hefte 13.

Zimmermann, Udo; Moya, MC

(2009)

Provenance of sedimentary rocks. A key-tool to understand base metal and hydrocarbon deposits in sedimentary rocks. First results from Palaeozoic western margin deposits of Gondwana.

NGF Vinterkonferansen;

2009-01-13 - 2009-01-15.

Zimmermann, Udo; Clark, C

(2009)

Provenance and age of metasedimentary and metaigneous rocks in Rogaland (western Norway) ? Preliminary data.

NGF Vinterkonferansen;

2009-01-13 - 2009-01-15.

Zimmermann, Udo; Clark, C

(2009)

Age and character of eclogites occurring in the Caledonian (?) basement of Rogaland ? Preliminary results.

NGF Vinterkonferansen;

2009-01-13 - 2009-01-15.

van Staden, A; Zimmermann, Udo; Gutzmer, Jens; Chemale Jr, F; Germs, G

(2009)

Age of a Hirnantian glacial diamictite in eastern Argentina and consequences for the correlation with Lower Palaeozoic rocks in South Africa.

NGF Vinterkonferansen;

2009-01-13 - 2009-01-15.

Zimmermann, Udo

(2009)

What was wrong with the Kalahari Craton?.

Rodinia: Supercontinents, Superplumes and Scotland ? FERMOR Meeting, Geological Society of London;

2009-09-06 - 2009-09-09.

Nicoll, GR; Tait, J.; Zimmermann, Udo

(2009)

Provenance analysis and tectonic setting of Neoproterozoic sediments on the Varanger Peninsula, Northern Norway.

Rodinia: Supercontinents, Superplumes and Scotland ? FERMOR Meeting, Geological Society of London;

2009-09-06 - 2009-09-09.

Straathof, Gijs; Tait, J.; Zimmermann, Udo

(2009)

Palaeogeography of the Congo Craton from Rodinia to Gondwana.

Rodinia: Supercontinents, Superplumes and Scotland ? FERMOR Meeting, Geological Society of London;

2009-09-06 - 2009-09-09.

Griem-Klee, S; Niemeyer, H; Zimmermann, Udo

(2009)

Geochemical characteristics of the Quebrada Sama Complex (S21§30', W68§50'), Sierra de Moreno, norhtern Chile: hints to the geotectonic setting of the Mesoproterozoic Gondwana margin.

XII Congreso Geologico Chileno;

2009-11-22 - 2009-11-26.

Bertolino, SRL; Zimmermann, Udo; Galvan, V; Laguens, A

(2009)

Mineralogia, composicion quimica y possible proveniencia de ceramica pre y post-hispanica del Valle del rio Copacabana (Cordoba, Argentina).

3er. Congreso Argentino de Arqueometria;

2009-09-22 - 2009-09-26.

Zimmermann, Udo; Bertolino, SRL; Kriskautzky, N

(2009)

Provenance of pottery from Catamarca (northwest Argentina): a reconnaissance study.

3er. Congreso Argentino de Arqueometria, ,;

2009-09-22 - 2009-09-26.

Rüsing, T.; Augustsson, C.; Büld, M; Kooijman, E; Berndt, J.; Zimmermann, Udo

(2009)

PROVENANCE FROM DETRITAL ZIRCONS OF EARLY PALAEOZOIC SILICICLASTIC SANDSTONES IN NW ARGENTINA AND N CHILE.

Tectonics and Sedimentation;

2009-02-16 - 2009-02-18.

Rüsing, T.; Augustsson, C.; Büld, M; Kooijman, E; Berndt, J.; Zimmermann, Udo

(2009)

Detrital zircons as provenance indicators in early Palaeozoic siliciclastic sandstones in NW Argentina.

Latinamerica kolloquium;

2009-04-07 - 2009-04-09.

Rüsing, T.; Augustsson, C.; Kooijman, E.; Berndt, J.; Zimmermann, Udo

(2008)

Provenance of early Paleozoic siliciclastic sandstones from NW Argentina ¿ Results from an ongoing study on detrital zircons.

Geochimica et Cosmochimica Acta.

ISSN 0016-7037.

Augustsson, C.; Rüsing, T.; Büld, M.; Bahlburg, H.; Berndt, J.; Kooijman, E.; Zimmermann, Udo

(2008)

Sources of detrital zircons in Cambrian to Silurian sandstones in NW Argentina ¿ a study in progress.

XIII Congreso Latinoamericano de Geología;

2008-06-06.

Zimmermann, Udo; Tait, Jennifer; Straathof, Gijs; Simonetti, Antonio

(2008)

Petrography, chemostratigraphy and age dating of detrital zircons in Marinoan rocks from Witpütz (southern Namibia).

33th International Geological Congress;

2008-08-06 - 2008-08-14.

Tait, Jennifer; Zimmermann, Udo; Simonetti, Antonio

(2008)

Tillite, glacial diamictite or dimictite: the Neoproterozoic Blaubeker Formation in central Namibia? Petrographic, sedimentological and geochemical constraints.

33th International Geological Congress;

2008-08-06 - 2008-08-14.

Zimmermann, Udo; Tait, Jennifer; Miyazaki, Takashi; Naidoo, Thanusha

(2008)

Probable Neoproterozoic retro-arc basins on the southern Kalahari craton: The search for an active margin bordering southern Gondwana.

33th International Geological Congress;

2008-08-06 - 2008-08-14.

Tait, Jennifer; Zimmermann, Udo; Miyazaki, Takashi; Mukhopadhyay, Joydip

(2008)

Unraveling Archean crustal evolution: Provenance and tectonic setting of metaigenous and -sedimentary rocks of the Singbhum craton (northeast India).

33th International Geological Congress;

2008-08-06 - 2008-08-14.

Zimmermann, Udo

(2008)

Provenance studies of metasedimentary rocks in northwest Argentina: Deeper crustal equivalents of the Puncoviscana Formation?.

33th International Geological Congress;

2008-08-06 - 2008-08-14.

Zimmermann, Udo

(2008)

The Puncoviscana Formation enigma: passive margin, foreland basin or fore-arc basin.

33th International Geological Congress;

2008-08-06 - 2008-08-14.

Zimmermann, Udo; Augustsson, C.; Bahlburg, H.; Buatois, Luis; Büld, M.; Mángano, Gabriela

(2008)

Provenance comparison between Early-Middle Cambrian and Upper Cambrian-Lower Ordovician quartz-rich sandstones in NW Argentina.

33th International Geological Congress;

2008-08-06 - 2008-08-14.

Lamprecht, Alet; Zimmermann, Udo; Beukes, N.J.; Gutzmer, Jens; Miyazaki, Takashi

(2008)

Provenance of the Paleoproterozoic Gamagara Group and its implication for the evolution of the Kaapvaal Craton.

33th International Geological Congress;

2008-08-06 - 2008-08-14.

Fourie, Pieter; Naidoo, Thanusha; Zimmermann, Udo

(2008)

Provenance of the Cape Supergroup in the Cape Fold belt of South Africa ¿ preliminary results.

33th International Geological Congress;

2008-08-06 - 2008-08-14.

Fourie, Pieter; Zimmermann, Udo; Buatois, Luis; Mángano, Gabriela; Beukes, N.J.

(2008)

Rare trace fossils of the Gamka Formation (Bokkeveld Group, South Africa).

33th International Geological Congress;

2008-08-06 - 2008-08-14.

Straathof, Gijs; Tait, Jennifer; Cibambula, Emmanuel; Nkula, Valentin Kanda; Zimmermann, Udo

(2008)

Constraints on the glacial events from the West Congolian Group.

33th International Geological Congress;

2008-08-06 - 2008-08-14.

Abre, P.; Zimmermann, Udo; Cingolani, U.; Cairncross, C.

(2008)

Provenance of Ordovician to Silurian clastic sequences of the Cuyania Terrane (Argentina) and its geotectonic Implications.

XVII Congreso Geológico Argentino;

2008-10-07 - 2008-10-10.

Zimmermann, Udo; Bahlburg, H.

(2008)

The Ordovician Puna basin (northwest Argentina): active margin provenance and stratigraphy.

XVII Congreso Geológico Argentino;

2008-10-07 - 2008-10-10.