Výsledky vyhledávání - "Uwe Wollenberg"

Two‐dimensional X‐ray diffraction as a tool for the rapid, nondestructive detection of low calcite quantities in aragonitic corals

Autor: Lars Reuning, Miriam Pfeiffer, Jörg Smodej, Jens Zinke, Peter A. Kukla, Uwe Wollenberg

Publikováno v: Geochemistry, Geophysics, Geosystems. 16:3778-3788

Paleoclimate reconstructions based on reef corals require precise detection of diagenetic alteration. Secondary calcite can significantly affect paleotemperature reconstructions at very low amounts of ∼1%. X-ray powder diffraction is routinely used

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dd0244b9d0c43aa04707206d6a3e45a4
https://doi.org/10.1002/2015gc006009

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Impact of solid second phases on deformation mechanisms of naturally deformed salt rocks (Kuh-e-Namak, Dashti, Iran) and rheological stratification of the Hormuz Salt Formation

Autor: Karel Schulmann, Guillaume Desbois, M. Rahmati, Uwe Wollenberg, Prokop Závada, Ondrej Lexa, János Urai

Publikováno v: Journal of Structural Geology. 74:117-144

Viscosity contrasts displayed in flow structures of a mountain namakier (Kuh-e-Namak - Dashti), between ‘weak’ second phase bearing rock salt and ‘strong’ pure rock salt types are studied for deformation mechanisms using detailed quantitative

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c98b3ee4a32c1c3189404dd8f8ca5b4
https://doi.org/10.1016/j.jsg.2015.02.009

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Argon broad ion beam tomography in a cryogenic scanning electron microscope: a novel tool for the investigation of representative microstructures in sedimentary rocks containing pore fluid

Autor: Z. Radi, János Urai, Fabian Perez-Willard, Peter A. Kukla, Guillaume Desbois, Uwe Wollenberg, S. Offern, I. Burkart

Publikováno v: Journal of Microscopy. 249:215-235

Summary The contribution describes the implementation of a broad ion beam (BIB) polisher into a scanning electron microscope (SEM) functioning at cryogenic temperature (cryo). The whole system (BIB-cryo-SEM) provides a first generation of a novel mul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e3deeb7f82266b2e045a9643d4c6151a
https://doi.org/10.1111/jmi.12011

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Cover sequences at the northern margin of the Antongil Craton, NE Madagascar

Autor: David I. Schofield, Wilfried Bauer, Imboarina T. Rasaona, David J. Lidke, Laura Bracciali, Robert J. Thomas, Matthew S.A. Horstwood, Gregory J. Walsh, Bert de Waele, Uwe Wollenberg, M. Rabarimanana

Publikováno v: Precambrian Research. 189:292-312

The island of Madagascar is a collage of Precambrian, generally high-grade metamorphic basement domains, that are locally overlain by unmetamorphosed sedimentary rocks and poorly understood low-grade metasediments. In the Antalaha area of NE Madagasc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b44bf6514788df679e6980723dc3a36
https://doi.org/10.1016/j.precamres.2011.07.018

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Distribution of brine in grain boundaries during static recrystallization in wet, synthetic halite: insight from broad ion beam sectioning and SEM observation at cryogenic temperature

Autor: János Urai, Guillaume Desbois, Peter A. Kukla, Sandor Riholm, Uwe Wollenberg, Fabian Perez-Willard, Zsolt Radí

Publikováno v: Contributions to Mineralogy and Petrology. 163:19-31

We report observations from room temperature static recrystallization experiments (annealing times from minutes to year) of cold-pressed, synthetic, coarse-grained, wet sodium chloride, prepared by broad ion beam polishing and SEM observations at cry

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fee5dfc6104720ea125dda518c210ea9
https://doi.org/10.1007/s00410-011-0656-x

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