Absolute dating of brittle fault movements: Late Permian and late Jurassic extensional fault breccias in western Norway

Terra Nova

Volumn 9, Issue 3, 1997, Pages 135-139

  Eide, Elizabeth A ^a   Torsvik, Trond H ^a,b   Andersen, Torgeir B ^c  

^a GEOLOGICAL SURVEY OF NORWAY   (Norway)

^b UNIVERSITY OF BERGEN   (Norway)

^c UNIVERSITY OF OSLO   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

ARGON-40/ARGON-39 DATING; BRITTLE FAULT; FAULT BRECCIA; JURASSIC; PALAEOMAGNETISM; PERMIAN;

NORWAY;

EID: 0031428796     PISSN: 09544879     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-3121.1997.d01-21.x     Document Type: Article

References (23)

1. 39Ar phengite cooling ages in the Caledonides of Western Norway. J. Geol. Soc. London, in press
2. Andersen, T.B. and Jamtveit, B., 1990. Uplift of deep crust during orogenic extensional collapse: A model based on field studies in the Sogn-Sunnfjord region of Western Norway. Tectonics, 9, 1097-1111.
3. Andersen, T.B., Jamtveit, B., Dewey, J.F. and Swensson, E., 1991. Subduction and eduction of continental crust: major mechanisms during continent-continent collision and orogenic extensional collapse, a model based on the south Norwegian Caledonides. Terra Nova, 3, 303-310.
4. Andersen, T.B., Osmundsen, P.T. and Jolivet, L., 1994. Deep crustal fabrics and a model for the extensional collapse of the Southwest Norwegian Caledonides. J. Struct. Geol., 16, 1191-1203.
5. 39Ar alkali feldspar thermochronology. Tectonics, 12, 1335-1346.
6. Brekke, H. and Solberg, P.O., 1987. The geology of Atloy, Sunnfjord, western Norway. Nor. Geol. U. Bull., 410, 73-94.
7. Cuthbert, S.J., Harvey, M.A. and Carswell, D.A., 1983. A tectonic model for the metamorphic evolution of the Basal Gneiss Complex, Western South Norway. J. Metamorph. Geol., 1, 63-90.
8. Eide, E.A. and Torsvik, T.H., 1996. Palaeozoic supercontinental assembly, mantle flushing, and genesis of the Kiaman Superchron. Earth Planet. Sci. Lett., 144, 389-402.
9. Eide, E.A., Torsvik, T.H. and Andersen, T.B., 1996. Precise timing of multiple reactivation events on a Caledonian extensional detachment, Western Norway: What happens after exhumation? (abs.). EOS, Trans. Am. Geophys. Un., 77(46), F779.
10. Færseth, R.B., 1996. Interaction of Permo-Tiassic and Jurassic extensional faultblocks during the development of the northern North Sea. J. Geol. Soc. London, 153, 931-944.
11. Gibbons, W., Doig, R., Gordon, T., Murphy, B., Reynolds, P. and White, J.C., 1996. Mylonite to megabreccia: Tracking fault events within a transcurrent terrane boundary in Nova Scotia, Canada. Geology, 24, 411-414.
12. House, M.A. and Hodges, K.V., 1994. Limits on the tectonic significance of rapid cooling events in extensional settings: Insights from the Bitterroot metamorphic core complex, Idaho-Montana. Geology, 22, 1007-1010.
13. 39Ar investigation of a pseudotachylyte and its host rock from the Outer Isles thrust, Scotland. Geology, 22, 443-446.
14. 39Ar thermochronology of mylonitic rocks from the northern Snake Range, Nevada. Tectonics, 10, 77-100.
15. Osmundsen, P.T. and Andersen, T.B., 1994. Caledonian compressional and lateorogenic extensional deformation in the Staveneset area, Sunnfjord, Western Nonway. J. Struct. Geol., 10, 1385-1401.
16. Roberts, D., 1983. Devonian tectonic deformation in the Norwegian Caledonides and its regional perspectives. Nor. Geol. U. Bull., 380, 85-96.
17. Sibson, R.H., 1977. Fault rocks and fault mechanisms. J. Geol. Soc. London, 133, 191-213.
18. Smith, D.C., 1984. Coesite in clinopyroxene in the Caledonides and its implications for geodynamics. Nature, 310, 641-644.
19. Torsvik, T.H., Andersen, T.B. and Van Eide, E.A., 1997. The age and tectonic significance of dolerite dykes in Western Nonway. J. Geol. Soc. London, in press.
20. Torsvik, T.H., Smethurst, M.A., Meert, J.G., Van der Voo, R., McKerrow, W.S., Brasier, M.D., Sturt, B.A. and Walderhaug, H.J., 1996. Continental break-up and collision in the Neoproterozoic and Palaeozoic - A tale of Baltica and Laurentia. Earth Sci. Rev., 40, 229-258.
21. Torsvik, T.H., Sturt, B.A., Swensson, E., Andersen, T.B. and Dewey, J.F., 1992. Palaeomagnetic dating of fault rocks: evidence for Permian and Mesozoic movements and brittle deformation along the extensional Dalsfjord Fault, western Norway. Geophys. J. Int., 109, 565-580.
22. Van der Voo, R., 1993. Paleomagnetism of the Atlantic, Tethys and Iapetus Oceans. Cambridge University Press, New York.
23. Wise, D.U., Dunn, D.E., Engelder, J.T., Geiser, P.A., Hatcher, R.D., Kish, S.A., Odom, A.L. and Schamel, S., 1984. Faultrelated rocks: Suggestions for terminology. Geology, 12, 391-394.