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Journalof StructuralGeology,Vol. 15, No. 11, pp. 1379to 1380, 1993 0191-8141/93 $06.00+0.00 Printed in Great Britain 1993PergamonPressLtd
 

Summary: Journalof StructuralGeology,Vol. 15, No. 11, pp. 1379to 1380, 1993 0191-8141/93 $06.00+0.00
Printed in Great Britain © 1993PergamonPressLtd
The role of extensional tectonics in the Caledonides of south Norway:
Discussion
TORGEIRB. ANDERSEN
Institutt for Geologi, Universitetet i Osio, P.O. Box 1047, 0316 Blindern, Oslo 3, Norway
(Received4 February1993; accepted4 May 1993)
IN Arecent paper in this journal, Fossen (1992) provides
detailed structural data on the extensional structures
from original middle and upper crustal levels in the
orogenic crust from parts of the south Norwegian Cale-
donides. These crustal levels experienced greenschist to
amphibolite facies metamorphism during the Silurian,
Scandian Orogeny and the early stages of the extension-
al collapse of the thickened orogenic crust (Fossen in
press). In agreement with studies in other parts of the
southwest Norwegian Caledonides (Osmundsen 1990,
Osmundsen & Andersen 1990), Fossen (1992) provides
additional evidence for extensional top-to-the-west
(west to northwest) re-activation of the large-scale top-

  

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

 

Collections: Geosciences