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Journal of the Geological Society, London, Vol. 168, 2011, pp. 887898. doi: 10.1144/0016-76492010-075. Structure and 40
 

Summary: Journal of the Geological Society, London, Vol. 168, 2011, pp. 887­898. doi: 10.1144/0016-76492010-075.
887
Structure and 40
Ar/39
Ar thermochronology of an ultrahigh-pressure transition in
western Norway
D. J. YOUNG1
*, B. R. HACKER2
, T. B. ANDERSEN3
& P. B. GANS2
1
Department of Geological Sciences, University of Texas, San Antonio, TX 78249, USA
2
Department of Earth Sciences, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
3
PGP and Department of Geosciences, University of Oslo, Blindern, N-0316 Oslo, Norway
*Corresponding author (e-mail: David.Young@utsa.edu)
Abstract: The Nordfjord region of western Norway hosts an archetypal subducted crustal section, underpinned
by ultrahigh-pressure (UHP) eclogite, overlain by Devonian sediments, and cored by a crustal-scale
extensional shear zone. Structural mapping reveals two distinct displacement zones that played different roles

  

Source: Andersen, Torgeir Bjørge - Centre for Physics of Geological Processes & Department of Geosciences, Universitetet i Oslo
Hacker, Bradley R. - Hacker, Bradley R. - Department of Geological Sciences, University of California at Santa Barbara

 

Collections: Geosciences