Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Claudia A. Trepmann"'
Autor:
Fabian Dellefant, Claudia A. Trepmann, Stuart A. Gilder, Iuliia V. Sleptsova, Melanie Kaliwoda, Benjamin P. Weiss
Publikováno v:
Contributions to Mineralogy and Petrology. 177
We investigated microfabrics of shocked Archean gneisses from two, 10 m-deep drill cores located near the center of the Vredefort impact structure in an area that is characterized by a prominent, long-wavelength negative magnetic anomaly ( 100 µm) i
Autor:
Fabian Dellefant, Claudia A. Trepmann, Stuart A. Gilder, Iuliia V. Sleptsova, Melanie Kaliwoda
Glass fragments (Flädle) in suevites from Zipplingen within the Ries (Germany) meteorite impact structure contain round aggregates of polycrystalline ilmenite with various amounts of rutile, ferropseudobrookite (FeTi2O5), armalcolite ((Fe,Mg)Ti2O5)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::496833055631c430199f08366c071161
https://doi.org/10.5194/egusphere-egu22-11488
https://doi.org/10.5194/egusphere-egu22-11488
Recrystallized quartz grains are localized along cleavage cracks in coarse original quartz grains within pseudotachylyte-bearing gneisses from the Silvretta basal thrust, Austria, and in shock-vein-bearing gneisses from the Vredefort meteorite impact
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9305d44aa15b099c365a9f29f40ab84b
https://doi.org/10.5194/egusphere-egu22-5556
https://doi.org/10.5194/egusphere-egu22-5556
Publikováno v:
Geological Magazine. 157:1383-1408
High-pressure low-temperature metamorphic sediments of the Phyllite–Quartzite unitsensu strictoand the Talea Ori group are investigated in the field, microstructurally and by U–Pb dating of detrital zircons to shed light on their palaeogeographic
Autor:
Claudia A. Trepmann, Lina Seybold
Publikováno v:
Geoscience Frontiers, Vol 10, Iss 1, Pp 43-54 (2019)
In an extensional shear zone in the Talea Ori, Crete, quartz veins occur in high-pressure low-temperature metamorphic sediments at sites of dilation along shear band boundaries, kink band boundaries and boudin necks. Bent elongate grains grown epitac
Publikováno v:
Solid Earth, Vol 10, Pp 95-116 (2019)
Deformation microstructures of albitic plagioclase and K-feldspar were investigated in mylonitic pegmatites from the Austroalpine basement south of the western Tauern Window by polarized light microscopy, electron microscopy and electron backscatter
Pseudotachylyte-bearing amphibole-rich gneisses with concordant quartz-rich layers from the base of the Silvretta nappe, Austria, are analyzed by polarized light microscopy, scanning electron microscopy and electron back scattered diffraction. Amphib
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d76bc3f18d69c4300a2b425d577c369
https://doi.org/10.5194/egusphere-egu21-12346
https://doi.org/10.5194/egusphere-egu21-12346
Approximately one third of the worlds known impact structures are formed in carbonate-bearing target rocks. However, the response of their main constituent mineral, calcite, upon shock loading and unloading is still not well understood. Mechanical tw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d985d667b41c6ed416a63109f0e3cda4
https://doi.org/10.5194/egusphere-egu21-15559
https://doi.org/10.5194/egusphere-egu21-15559
The eclogites from Vårdalneset, Western Gneiss Region, Norway, show an exceptional large variety of reaction and deformation microfabrics that document the processes and conditions during burial and exhumation. Coarse grained eclogites comprise abou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38db8c964507623ae6dd51abd05c92a7
https://doi.org/10.5194/egusphere-egu21-2303
https://doi.org/10.5194/egusphere-egu21-2303
Autor:
Kai-Uwe Hess, Melanie Kaliwoda, Stefan Hölzl, Wolfgang W. Schmahl, Claudia A. Trepmann, Fabian Dellefant
Quartz and cristobalite ballen aggregates surrounded by dendritic cristobalite in gneiss clasts of impact melt rocks from the Ries impact structure are analyzed by Raman spectroscopy, microscopy, and electron backscattered diffraction to elucidate th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ae5474f04d19783f1e61d02e68891db
http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/8386
http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/8386