Zobrazeno 1 - 10 of 12 pro vyhledávání: '"Susanne Grigull"'
1
Brittle basement deformation during the Caledonian Orogeny observed by K-Ar geochronology of illite-bearing fault gouge in west-central Sweden
Autor: Bjarne Almqvist, Roelant van der Lelij, Karin Högdahl, Rodolphe Lescoutre, Jasmin Schönenberger, Haakon Fossen, Håkan Sjöström, Christopher Juhlin, Stefan Luth, Susanne Grigull, Giulio Viola
This study presents K-Ar geochronology ages of illite from fault gouge in the crystalline basement in central-western Sweden. Samples of fault gouge were taken from two faults localizing brittle deformation along and within mafic dikes that intrude P
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::023e5feffe8460338fa4d9edb32cd61a
https://doi.org/10.31223/x5zh1n
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5
Geomorphic evidence of multiple surface ruptures of the Merasjärvi 'postglacial fault', northern Sweden
Autor: Susanne Grigull, Henrik Mikko, Colby A. Smith
Publikováno v: GFF. 140:318-322
Postglacial faults in Sweden are generally believed to have ruptured to the surface once either during or shortly after the late Weichselian deglaciation. Stratigraphic data from multiple scarps su...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ffb0863a89995f9631f3938bff8ca21
https://doi.org/10.1080/11035897.2018.1492963
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6
'Order from chaos': A field-based estimate on bulk rheology of tectonic mélanges formed in subduction zones
Autor: Alexander Krohe, Christoph Moos, Sara Wassmann, Susanne Grigull, Bernhard Stöckhert
Publikováno v: Tectonophysics. :86-101
Many tectonic HP–LT melanges exhibit block-in-matrix structures. In contrast to the pervasively deformed matrix, the blocks of various lithologies and PT-histories usually appear undeformed. If we accept that an HP–LT melange reflects persistent
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::182960730b7eaf33e3efb01ac04ecac2
https://doi.org/10.1016/j.tecto.2011.11.004
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8
A graphical–algebraic method for analysing shear zone displacements from observations on arbitrarily oriented outcrop surfaces
Autor: Susanne Grigull, Timothy A. Little
Publikováno v: Journal of Structural Geology. 30:868-875
We present a practical graphical–algebraic method that enables one to achieve the true displacement and shape of deformed geological markers in fault or shear zones as observed on arbitrarily oriented outcrop surfaces. We use as our natural example
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e6f1ba0554f3f84360fbd9f12f661a74
https://doi.org/10.1016/j.jsg.2008.03.001
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9
Rheological constraints on quartz derived from scaling relationships and numerical models of sheared brittle-ductile quartz veins, central Southern Alps, New Zealand
Autor: Timothy A. Little, Susan Ellis, Susanne Grigull, Matthew P. Hill, Susanne Buiter
Publikováno v: Journal of Structural Geology
The mechanical properties of quartz strongly influence the strength of continental crust, but natural examples to constrain quartz rheology are rare. Here, brittle-ductile fault arrays in the Southern Alps, New Zealand, provide a natural laboratory i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05ea5d2896be79af2c9f49c1884a5d49
https://gfzpublic.gfz-potsdam.de/pubman/item/item_5011627
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