The northern Bergen Arc shear zone-an oblique-lateral ramp in the Devonian extensional detachment system of western Norway

Norsk Geologisk Tidsskrift

Volumn 78, Issue 3, 1998, Pages 169-184

  Wennberg, Ole Petter ^b   Milnes, Alan Geoffrey ^a   Winsvold, Inger ^a  

^a UNIVERSITY OF BERGEN   (Norway)

^b Z and S Geoscience   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

DEVONIAN; EXTENSIONAL TECTONICS; SHEAR ZONE;

NORWAY;

EID: 0032440163     PISSN: 0029196X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (62)

1. Andersen, T. B. & Jamtveit, B. 1990: Uplift of deep crust during orogenic extensional collapse: a model based on field studies in the Sogn-Sunnfjord region of west Norway. Tectonics 9, 1097-1112.
2. Andersen, T. B. Skjerlie, K. P. & Furnes, H. 1990: The Sunnfjord Melange, evidence of Silurian ophiolite accretion in the west Norwegian Caledonides. Journal of the Geological Society 147, 59-68.
3. Andersen, T. B. 1993: The role of extensional tectonics in the Caledonides of south Norway: discussion. Journal of Structural Geology 15, 1379-1980.
4. Andréasson, P. G. & Albrecht, L. 1995: Derivation of 500 Ma eclogites from the passive margin of Baltica and a note on the tectonometamorphic heterogeneity of eclogite-bearing crust. Geological Magazine 132, 729-738.
5. Austrheim, H. 1987: Eclogitization of lower crustal granulites by fluid migrations through shear zones. Earth and Planetary Science Letters 81, 221-232.
6. Austrheim, H. & Griffin, W. L. 1985: Shear deformation and eclogite formation within granulite-facies anorthosites of the Bergen Arcs, western Norway. Chemical Geology 50, 267-281.
7. Bailey, D. E. 1989: Metamorphic evolution of the crust of southwestern Norway: an example from Sognefjord. Unpublished Ph.D. thesis, University of Oxford, 192 pp.
8. Blenkinsop, T. G. & Treloar, P. J. 1995: Geometry, classification and kinematics of S-C and S-C′ fabrics in the Mushandike area, Zimbabwe. Journal of Structural Geology 17, 397-408.
9. Borthen, S. 1995: Børillen synform in the Lindås Complex, western Norway -petrography, structural geology and regional significance. Unpublished Cand. Scient thesis, University of Bergen, 143 pp.
10. 39Ar incremental of hornblendes and muscovites. Caledonian Orogen, western Norway. Geological Society of Amererica Bulletin 108, 1425-1437.
11. Boundy, T. M., Mexger, K. & Essene, E. J. 1997: Temporal and tectonic evolution of the granulite-eclogite association from the Bergen Arcs, western Norway. Lithos 39, 159-178.
12. Chauvet, A. & Dallmeyer, R. D. 1992: Ar/Ar mineral dates related to Devonian extension in the southwestern Scandinavian Caledonides. Tectonophysics 210, 155-177.
13. Chauvet, A. & Séranne, M. 1994: Extension-parallel folding in the Scandinavian Caledonides: implications for late-orogenic processes. Tectonophysics 238, 31-54.
14. Chauvet, A., Kienast, J. R., Pinardon, J. L. & Brunel, M. 1992: Petrological constraints and PT path of Devonian collapse tectonics within the Scandian Mountain Belt. Journal of Geological Society of London 149, 383-400.
15. Dunning, G. R. & Pedersen, R. B. 1988: U/Pb ages of ophiolites and arc-related plutons of the Norwegian Caledonides: implications for the development of Iapetus. Contributions to Mineralogy and Petrology 98, 13-23.
16. Fossen, H. 1988: Metamorphic history in the Bergen Arcs, Norway, as determined from amphibole chemistry. Norsk Geologisk Tidsskrift 68, 223-239.
17. Fossen, H. 1989: Geology of the Minor Bergen Arc, western Norway. Norges Geologiske Undersøkelse Bulletin 416, 47-62.
18. Fossen, H. 1992: The role of extensional tectonics in the Caledonides of south Norway. Journal of Structural Geology 14, 1003-1046.
19. Fossen, H. 1993a: Structural evolution of the Bergsdalen Nappes, southwest Norway. Norges geologiske undersøkelse. Bulletin 424, 23-49.
20. Fossen, H. 1993b: The role of extensional tectonics in the Caledonides of south Norway: Reply. Journal of Structural Geology 15, 1033-1046.
21. Furnes, H., Roberts, D., Sturt, B. A., Thon, A. & Gale, G. 1980: Ophiolite fragments in the Scandinavian Caledonides. Proceedings of the International Ophiolite Symposium, Nicosia, Cyprus 1979, 295-307.
22. Færseth, R. B., Gabrielsen, R. H. & Hurich, C. A. 1995: Influence of basement in structuring of the North Sea basin, offshore southwest Norway. Norsk Geologisk Tidsskrift 75, 105-119.
23. Færseth, R. B., Thon, A., Larsen, S. G., Sivertsen, A. & Elvestad, L. 1977: Geology of the Lower Palaeozoic Rocks in the Samnanger-Osterøy area. Major Bergen Arc, western Norway. Norges Geologiske Undersøkelse. Bulletin 334, 19-58.
24. Goldschmidt, V. M. 1916: Ubersicht der Eruptivgesteine im Kaledonishen Gebirge zwischen Stavanger und Trondheim. Skr. Videnks. Selsk., Christallogr. 2, 1-140.
25. Gee, D. G., Lobkowicz, M. & Singh, S. 1994: Late Caledonian extension in the Scandinavian Caledonides - the Røragen Detachment revisited. Tectonophysics 231, 139-155.
26. Gray, J. W. 1978: Structural history and Rb-Sr geochronology of Eksingedalen, west Norway. Unpublished Ph.D. thesis, University of Aberdeen, 218 pp.
27. Griffin, W. L. & Brueckner, H. K. 1985: REE, Rb-Sr and Sm-Nd studies of Norwegian eclogites. Chemical Geology 52, 249-279.
28. Hanmer, S. 1986: Asymmetrical pull-aparts and foliation fish as kinematic indicators. Journal of Structural Geology 8, 111-122.
29. Hartz, E., Andresen, A. & Andersen, T. B. 1994: Structural observations adjacent to a large-scale extensional detachment zone in the hinterland of the Norwegian Caledonides. Tectonophysics 231, 123-137.
30. Henriksen, H. 1979: Structural geology and metamorphism on northern Osterøy. Unpublished Cand. Real. thesis, University of Bergen, 452 pp.
31. Jamtveit, B. 1987: Metamorphic evolution of the Eiksundal eclogite complex, western Norway, and some tectonic implications. Contributions to Mineralogy and Petrology 95, 82-99.
32. Jamtveit, B., Bucher, K. & Austrheim, H. 1990: Fluid controlled eclogitization of granulites in deep crustal shear zones, Bergen Arcs, western Norway. Contributions to Mineralogy and Petrology 104, 184-193.
33. Jamtveit, B., Carswell, D. A. & Mearns, E. W. 1991: Chronology of the high-pressure metamorphism of Norwegian garnet peridotites/pyroxenites. Journal of Metamorphic Geology 9, 125-139.
34. Jarvik, E. 1949: On the Middle Devonian Crossopterygians from the Hornelen field in western Norway. Universitetet i Bergen Aarbok 1948, Naturvidenskaplige Rœkke 8, 1-48.
35. Kiær, J. 1918: Fiskerester fra den devonske sandsten paa Norges vestkyst (Engl. summ.). Bergens Museums Aarbok. Naturvidenskaplige Rœkke 7, 1.17.
36. Kolderup, C. F. 1927: Byrknesøyenes og Holmengraas Devon felter. Bergen Museums Aarbok 1926, Naturvitenskaplig Rœkke 8, 1-18.
37. Lin, S. & Williams, P. F. 1992: The geometrical relationship between the stretching lineation and the movement direction of shear zones. Journal of Structural Geology 14, 491-497.
38. Means, W. D. 1991: Shear zones and rock history. Tectonophysics 247, 157-160.
39. Milnes, A. G., Dietler, T. N. & Koestler, A. G. 1988: The Sognefjord north shore loa - a 25 km-depth section through Caledonized basement in western Norway. Norwegian Geological Survey Special Publication 3, 114-121.
40. Milnes, A. G., Wennberg, O. P., Skår, Ø. & Koestler, A. G. 1997: Contraction, extension and timing in the south Norwegian Culcdonides - the Sognefjord transect. In Burg, J. P. & Ford, M., (eds.): Orogeny through Time. Geological Society Special Publication 121, 123-148.
41. Mørk, M. B. E. & Mearns, E. W. 1986: Sm-Nd isotopic systematics of a gabbro-eclogite transition. Lithos 19, 255-267.
42. Mørk, M. B. E., Kullerud, K. & Stabel, A. 1988: Sm-Nd dating of Seve eclogites, Norrboten, Sweden - evidence for early Caledonian (505 Ma) subduction. Contributions to Mineralogy and Petrology 99, 344-351.
43. Northrup, C. J. 1996: Structural expressions and tectonic implications of general non-coaxial flow in the midcrust of a collisional orogen: the northern Scandinavian Caledonides. Tectonics 15, 490-505.
44. Norton, M. G. 1987: The Nordfjord-Sogn detachment, west Norway. Norsk Geologisk Tidsskrift 67, 93-106.
45. Osmundsen, P. T. 1996: Late-orogenic structural geology and Devonian basin formation in western Norway: a study from the hanging wall of the Nordfjord-Sogn detachment in the Sunnfjord region. Unpublished Dr. Scient. Thesis, University of Oslo.
46. Osmundsen, P. T. & Andersen, T. B. 1994: Caledonian compressional and late-orogenic extensional deformation in the Staveneset area, Sunnfjord, western Norway. Journal of Structural Geology 16, 1385-1402.
47. Passchier, C. W. & Simpson, C. 1986: Porphyroclast systems as kinematic indicators. Journal of Structural Geology 8, 831-843.
48. Ramsay, J. G. 1980: Shear zone geometry: a review. Journal of Structural Geology 2, 83-99.
49. Rey, P., Burg, J.-P. & Casey, M. 1997: The Scandinavian Caledonides and their relationship to the Variscan belt. In Burg, J. P. & Ford, M. (eds.): Orogeny through Time, Geological Society Special Publication 121, 179-200.
50. Roberts, D. & Gee, D. G. 1985: An introduction to the structure of the Scandinavian Caledonides. In Gee, D. G. & Sturt, B. A. (eds.): The Caledonide Orogen - Scandinavia and Related Areas, 55-68. Wiley & Sons, Chichester.
51. Ryan, P. D. & Skevington, D. 1976: A re-interpretation of the Late-Ordovician-Early Silurian Stratigraphy of the Dyvikvågen and Ulven-Vaktdal areas, Hordaland, western Norway. Norges geologiske undersøkelse. Bulletin 324, 1-19.
52. Séranne, M., & Séguret, M. 1987: The Devonian basins of western Norway: tectonics and kinematics of an extending crust. In Coward, M. P., Dewey, J. F. & Hancock, P. L. (eds.): Continental Extensional Tectonics, Geological Society Special Publications 28, 537-548.
53. Séranne, M., Chauvet, A. & Fauré, J. L. 1991: Cinématique de l'extension tardi-orogénique (Devonien) dans les Calédonides Scandinaves et Britanniques. C. R. Acad. Paris 313, 1305-1312.
54. Sigmond, E. M. O., Gustavson, M. & Roberts, D. 1984: Begrunnskart over Norge, M. 1:1 million. Norges geologiske undersøkelser.
55. Simpson, C. & Schmid, S. M. 1983: An evaluation of criteria to deduce the sense of movement in sheared rocks. Geological Society of America Bulletin 94, 1281-1288.
56. Smith, D. C. &Lappin, M. A. 1989: Coesite in the Straumen kyanite-eclogite pod. Norway. Terra Nova 1, 47-56.
57. Steel, R., Siedlecka, A. & Roberts, D. 1985: The Old Red Sandstone basins of Norway and their deformation: a review. In Gee, D. G. & Sturt, B. A. (eds.): The Caledonide Orogen - Scandinavia and Related Areas, 293-315. Wiley & Sons, Chichester.
58. Thon, A. 1985: The Gullfjellel Ofiolite Complex and the structural evolution of the Bergen Arcs, western Norway. In Gee, D. G. & Sturt, B. A. (eds.): The Caledonide Orogen - Scandinavia and Related Areas, 671-677. Wiley & Sons, Chichester.
59. Wennberg, O. P. 1996: Superimposed fabrics due to reversal of shear sense, an example from the Bergen Arc zone, western Norway. Journal of Structural Geology 18, 871-889.
60. Wennberg, O. P. & Milnes, A. G. 1994: Interpretation of kinematic indicators alone the northeastern margin of the Bergen Arc System: a preliminary field study. Norsk Geologisk Tidsskrift 74, 166-173.
61. Wilks, W. J. & Cuthbert, S. J. 1994: The evolution of the Hornelen Basin detachment system, western Norway: implication for the style of late orogenic extension in the southern Scandinavian Caledonides. Tectonophysics 238, 1-30.
62. Winsvold, I. 1996: Tektonisk utvikling av Byrknesøy (Vest-Norge) - opphevingshistorie av eklogitter i sørvestlige del av Vestre Gneiskompleks. Unpublished Cand. Scient thesis, University of Bergen.