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Variscan magnetic fabric overprinting in sedimentary and crystalline thrust sheets in the NE Bohemian Massif
Author(s) -
Hrouda František
Publication year - 1993
Publication title -
tectonics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.465
H-Index - 134
eISSN - 1944-9194
pISSN - 0278-7407
DOI - 10.1029/92tc01569
Subject(s) - geology , overprinting , massif , sedimentary rock , carboniferous , devonian , sedimentary depositional environment , geochemistry , paleozoic , sedimentary structures , petrology , paleontology , metamorphic rock , structural basin
The magnetic fabric of pre‐Cambrian and Devonian crystalline rocks of the Hrubý Jeseník Mountains and of Lower Carboniferous sedimentary rocks of the Nízký Jeseník Mountains is predominantly deformational in origin. The orientations of the tectonic magnetic fabric elements are similar in all rocks and geological units investigated. At least one strong deformation phase affected both the sedimentary and crystalline complexes, overprinting the original depositional magnetic fabric in sedimentary rocks as well as earlier deformational magnetic fabrics in crystalline rocks. The overprinted magnetic fabric is probably of Variscan origin.