New Early Devonian paleomagnetic data from NW France: Paleogeography and implications for the Armorican microplate hypothesis

Journal of Geophysical Research: Solid Earth

Volumn 104, Issue B2, 1999, Pages 2831-2839

  Tait, J ^a  

^a UNIVERSITY OF MUNICH   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

DEVONIAN; PALEOGEOGRAPHY; PALEOMAGNETISM; TECTONIC RECONSTRUCTION;

FRANCE;

EID: 0033540704     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/98jb02787     Document Type: Article

References (47)

1. Audren, C., Evolution structurale de la Bretagne méridionale au Paléozoique, Mem. Soc. Géol. Mineral. Bretagne, 31, 365, 1987.
2. Bachtadse, V, and J.C. Briden, Palaeomagnetism of Devonian Ring Complexes from the Bayuda Desert, Sudan - New constraints on Gondwana's apparent polar wander path, Geophys. J. Int., 104, 635-646, 1991.
3. Bachtadse, V., and R. Van der Voo, Paleomagnetic evidence for crustal and thin-skinned rotations in the European Hercynides, Geophys. Res. Lett., 13, 161-164, 1986.
4. Bachtadse, V., F. Heller, and A. Kröner, Paleomagnetic investigations in the Hercynian mountain belt of central and western Europe, Tectonophysics, 91, 285-299, 1983
5. Bachtadse, V., T.H. Torsvik, J.A. Tait., and H.C. Soffel, X Paleomagnetic constraints on the paleogeographic evolution of Europe during the Paleozoic, in Pre-Permian Geology of Central and Eastern Europe edited by R.D. Dallmayer, W. Franke, and K. Weber, Springer-Verlag, New York, pp. 567-578, 1995.
6. Brenchley, P.J., Late Ordovician extinctions and their relationship to the Gondwana glaciation, in Fossils and Climate, edited by P.J. Brenchley, pp. 291-327, John Wiley, New York, 1984.
7. Burchette, T. P., European Devonian reefs: A review of current concepts and models, Spec. Publ. Soc. Econ. Paleontol. Mineral., 30, 85-142, 1981.
8. Channell, J.E.T., C. McCabe, and N.H. Woodcock, Early Devonian (pre-Acadian) magnetization directions in Lower Old Red Sandstone of south Wales (UK), Geophys. J. Int., 108, 883-894, 1992.
9. Cocks, L.R.M., and R.A. Fortey, Biogeography of Ordovician and Silurian faunas, in Palaeozoic Biogeography and Palaeobiogeography, edited by W.S. McKerrow, and C.R. Scotese, pp. 97-104, Geol. Soc. London, London, 1990.
10. Cocks, L.R.M., W.S. McKerrow, and C.R. van Staal, The margins of Avalonia, Geol. Mag., 134, 627-636, 1997.
11. Cogné, J.-P., Strain, magnetic fabric, and palaeomagnetism of the deformed red beds of the Pont-Rean formation, Brittany, France, J. Geophys. Res., 93 (B11), 13,673-13,687, 1988
12. Day, R., M. Fuller, and V.A. Schmidt, Hysteresis properties of titanomagnetites: Grain-size and compositional dependence, Phys. Earth Planet. Int., 13, 260-267, 1977.
13. Edel, J.B., Paleopositions of the western Europe Hercynides during the Late Carboniferous deduced from paleomagnetic data: conseqences for "stable Europe", Tectonophysics, 139, 31-41, 1987.
14. Fisher, R.A., Dispersion on a sphere, Proc. R. Soc. London, Ser. A, 217, 295-305, 1953.
15. Franke, W., and O. Onken, Zur prädevonischen Geschichte des Rhenohercynischen Beckens, Nova Acta Leopold. NF 71, (291), 53-72, 1995.
16. Franke, W., D. Dallmeyer, and K. Weber, Geodynamic evolution, in Pre-Permian Geology of Central and Eastern Europe, edited by R.D. Dallmeyer, W. Franke, and K. Weber, pp. 579-593, Springer-Verlag, New York, 1995.
17. Hargraves, R.B., E.M. Dawson, and F.B. Van Houten, Palaeomagnetism and age of mid Palaeozoic ring complexes in Niger, West Africa, and tectonic implications, Geophys. J. R. Astron. Soc., 90, 705-729, 1987.
18. Jones, K.A., Palaeozoic continental margin tectonics in southern Armorica, J. Geol. Soc. London, 148, 55-64, 1991.
19. Jones, K.A., Progressive metamorphism in a crustal-scale shear zone: an example from the Léon region, north-west Brittany, France, J. Metamorph. Geol., 12, 69-88, 1994.
20. Kirschvink, J.L., The least-squares line and plane and the analysis of paleomagnetic data, Geophys. J. R. Astron. Soc., 62, 699-718, 1980.
21. Kriz, J., and F. Paris, Ludlovian, Pridolian and Lochkovian in La Meignanne (Massif Armoricain): biostratigraphy and correlations based on bivalvia and chitinozoa, Geobios, 15(3), 391-421, 1982.
22. Le Corre, C., P. Balé, and Y. Georget, Le Léon: un domaine exotique au Nord-Ouest de la chaine varisque armorique (France), Geodyn. Acta, 3, 57-71, 1989.
23. McFadden, P.L., and M.W. McElhinny, The combined analysis of remagnetization circles and direct observations in paleomagnetism, Earth Planet. Sci. Lett., 87, 161-172, 1988.
24. MacNiocall, C., and M. Smethurst, Palaeozoic palaeogeography of Laurentia and its margins, a reassessment of palaeomagnetic data, Geophys. J. Int., 116, 715-725, 1994.
25. Matte, P., Accretionary history and crustal evolution of the Variscan belt in Western Europe, Tectonophysics., 196, 309-337, 1991.
26. Moreau, C., D. Demaiffe, Y. Bellion, and A.-M. Boullier, A tectonic model for the location of Palaeozoic ring complexes in Air (Niger, West Africa), Tectonophysics, 234, 129-146, 1994.
27. Paquette, J.L., P. Balé, M. Ballèvre., and Y. Georget, Géochronologique et géochemie des éclogites du Léon: nouvelle constraintes sur l'évolution géodynamique du nord-ouest du Massif Armoricain, Bull. Minéral., 110, 683-696, 1987.
28. Parés, J.M., and R. Van der Voo, Paleozoic paleomagnetism of Almaden, Spain: A cautionary note, J. Geophys. Res., 97(B6), 9353-9356, 1992.
29. Perroud, H., Paleomagnetic evidence for tectonic rotations in the Variscan Mountain Belt, Tectonics, 5, 205-214, 1986.
30. Perroud, H., and N. Bonhommet, A Devonian pole for Armorica, Geophys. J. R. Astron. Soc., 77, 839-845, 1984.
31. Perroud, H., and R. Van der Voo, Palaeomagnetism of the Late Ordovician Thouars Massif, Vendée province, France, J. Geophys. Res., 90(B6), 4611-4625, 1985.
32. Perroud, H., N. Bonhommet, and R. Van der Voo, Palaeomagnetism of the Ordovician dolerites of the Crozon Peninsula (France), Geophys. J. R. Astron. Soc., 72, 307-319, 1983.
33. Perroud, H., N. Bonhommet, and J.P. Thebault, Palaeomagnetism of the Ordovician Moulin de Chateaupanne formation, Vendée, western France, Geophys. J. R. Astron. Soc., 85, 573-582, 1986.
34. Perroud, H., F. Calza, and D. Khattach, Paleomagnetism of the Silurian volcanism at Almaden, Spain, J. Geophys. Res., 96(B2), 1949-1962, 1991.
35. Peucat, J.J., and J. Cogné, Geochronology of some blueschists from the Ile de Groix, France, Nature, 268, 131-132, 1977.
36. Peucat, J.J., B. Auvray, Y. Hirbec, and J.Y. Calvez, Granites et cisallements hercyniens dans le Nord du Massif armoricain: géochronologie Rb-Sr, Bull. Soc. Géol. France, 6, 1365-1373, 1984.
37. Pickering, K.T., and A.G. Smith, Arcs and backarc basins in the Early Paleozic Iapetus Ocean, Island Arc, 4, 1-67, 1995.
38. Smethurst, M., A.N. Khramov, and T.H. Torsvik, The Neoproterozoic and Palaeozoic palaeomagnetic data for the Siberian Platform: from Rodinia to Pangea, Earth Sci. Rev., 43(1-2), 1-24, 1998.
39. Tait, J.A., V. Bachtadse, and H.C. Soffel, Silurian paleogeography of Armorica: New paleomagnetic data from central Bohemia, J. Geophys. Res., 99(B2), 2897-2907, 1994.
40. Tait, J.A., V. Bachtadse, and H.C. Soffel, Upper Ordovician paleogeography of the Bohemian Massif: Implications for Armorica, Geophys. J. Int., 122, 211-218, 1995.
41. Tait, J.A., V. Bachtadse, and H. Soffel, Eastern Variscan fold belt: Paleomagnetic evidence for oroclinal bending. Geology, 24, 871-874 1996.
42. Tait, J.A., V. Bachtadse, W. Franke and H.C. Soffel, Geodynamic evolution of the European Variscan fold belt: palaeomagnetic and geological constraints, Geol. Rundsch., 86, 585-598, 1997.
43. Torsvik, T.H., M.A. Smethurst, R. Van der Voo, A. Trench, N. Abrahamsen, and E.J. Halvorsen, BALTICA. - A synopsis of Vendian-Permian palaeomagnetic data and their palaeotectonic implications, Earth Sci. Rev., 33, 133-152, 1992.
44. Torsvik, T.H., A. Trench, I. Svensson, and H.J. Walderhaug, Palaeogeographic significance of mid-Silurian palaeomagnetic results from southern Britain; major revision of the apparent polar wander path for eastern Avalonia, Geophys. J. Int., 113, 651-668, 1993.
45. Van der Voo, R., Paleomagnetism of the Atlantic, Tethys and Iapetus Ocean, pp 411, Cambridge Univ. Press, Cambridge, 1993.
46. Van der Voo, R., J.A. Stamatakos, and J.M. Parés, Kinematic constraints on thrust-belt curvature from syndeformational magnetizations hi the Lagos del Valle Syncline in the Cantabrian Arc, Spain, J. Geophys. Res., 102(B5), 10,105-10,119, 1997.
47. Zijderveld, J.D.A., AC demagnetization of rocks: analysis of results, in Methods in Paleomagnetism, edited by D.W. Collinson, K.M. Creer, and S.K. Runcom, pp. 254-287, Elsevier, New York, 1967.