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374 GEOLOGY, April 2001 Devonian, orogen-parallel opposed extension in the Central Norwegian Caledonides
 

Summary: 374 GEOLOGY, April 2001
Devonian, orogen-parallel opposed extension in the Central Norwegian Caledonides:
Comment and Reply
Figure 1. Schematic, extension parallel sections
through the central Norway basement window. KoD,
HøD Kollstraumen, Høybakken detachments. A: Au-
tochthonous tectonic window basement (TWB) model,
with bidirectional nappe extension. B: Allochthonous
tectonic window basement model, with unidirectional
extension of nappes and the tectonic window base-
ment. Note the Kollstraumen detachment is top-to-
east-northeast, but the hanging wall is essentially fixed
relative to the Baltic Shield.
COMMENT
A.H.N. Rice
Institut fu¨r Geologie, Geozentrum, University of Vienna,
Althanstrasse 14, 1090 Vienna, Austria
Braathen et al. (2000) described Early to Middle Devonian exten-
sional faults around the central Norway basement window, one of
many tectonic windows exposing basement in the Scandinavian Cale-

  

Source: Andersen, Torgeir Bjørge - Centre for Physics of Geological Processes & Department of Geosciences, Universitetet i Oslo

 

Collections: Geosciences