Petrology and Ar-Ar dating of granulites from the Galicia Bank (Spain): African craton relics in Western Europe

Geodinamica Acta

Volumn 13, Issue 2-3, 2000, Pages 103-117

  Gardien, Véronique ^a   Arnaud, Nicolas ^b   Desmurs, Laurent ^c  

^a UNIVERSITÉ LYON 1   (France)

^b CNRS   (France)

^c ETH ZURICH   (Switzerland)

Author keywords

Granulites; Jurassic rifting; Lower crust; Precambrian

Indexed keywords

ARGON-ARGON DATING; CRATON; GRANULITE; JURASSIC; LOWER CRUST; PETROLOGY; RIFTING;

ATLANTIC OCEAN; SPANISH COAST;

EID: 0033924597     PISSN: 09853111     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0985-3111(00)00117-0     Document Type: Article

References (39)

1. 39Ar dating of gabbros from the ocean/continent transition of the Western Iberia margin: preliminary results. Whitmarsh R.B, Sawyer D.S, Klaus A, Masson D.G. Proc. ODP Sci Results, College Station, TX (Ocean Drilling Program). 149:1996;489-495.
2. Schärer U., Kornprobst J., Beslier M.O., Boillot G., Girardeau J. Gabbro and related rock emplacement beneath rifting continental crust: U-Pb geochronological and geochemical constraints for the Galicia passive margin, Spain. Earth Planet. Sci. Lett. 130:1995;187-200.
3. Sibuet J.C. New constraints on the formation of the non-volcanic continental Galicia - Flemish Cap conjugate margins. J. Geol. Soc. London. 149:1992;829-840.
4. Boillot G., Féraud G., Recq M., Girardeau J. Rifting of the Galicia margin: crustal thinning and emplacement of mantle rocks on the sea-floor. Boillot G, Winterer E.L, et al. Proc. ODP Sci. Results, 103, College Station, TX (Ocean Drilling Program). 1989;741-756.
5. Beslier M.O., Cornen G., Sawyer D.S., Whitmarsh R.B., Klaus A., Collins E.S., Comas M.C., de Kaenel E., Gervais E., Gibson I., Harry D.L., Hobart M., Kanamatsu T., Krawczyk C.M., Liu L., Lofts J.C., Marsaglia K.M., Meyers P.A., Milkert D., Milliken K.L., Morgan J.K., Pinheiro L., Ramirez P., Seifert K.E., Shaw T., Wilson C., Yin C., Zhao X. Péridotites et gabbros à la transition continent-océan d'une marge passive: résultats préliminaires du leg ODP 149 dans la Plaine Abyssale Ibérique. C. R. Acad. Sci. Paris série II. 319:1994;1223-1229.
6. Boillot G., Agrinier P., Beslier M.O., Cornen G., Froitzheim N., Gardien V., Girardeau J., Gil-Ibarguchi J.I., Kornprobst J., Moullade M., Schärer U., Vanney J.R. A lithospheric syn-rift shear zone at the ocean-continent transition: preliminary results of the GALINAUTE II cruise (Nautile dives on the Galicia Bank, Spain). C. R. Acad. Sci. Paris série IIa. 321:1995;1171-1178.
7. Capdevila R., Mougenot D. Pre-Mesozoic basement of the western Iberian continental margin and its place in the Variscan Belt. Boillot G, Winterer E.L, et al. Proc. ODP, Sci. Results, 103: College Station, TX (Ocean Drilling Program). 1988;3-12.
8. Mamet B., Comas M.C., Boillot G. Late Paleozoic basin on the west Galicia margin. Geology. 19:1991;738-741.
9. Lefort J.P., Ribiero A. La faille de Porto-Badajoz-Cordoue a-t-elle contrôlé l'évolution de l'océan Paléozoïque sud américain ? Soc. Géol. France. 22:1980;455-462.
10. Guerrot C., Peucat J.J., Capdevila R., Dosso L. Archean protoliths within Early Proterozoic granulitic crust of the west European Hercynian belt: Possible relics of the west African craton. Geology. 17:1989;241-244.
11. Postaire B. Systématique Pb commun et U-Pb sur zircons. Applications aux roches de grade métamorphique impliquées dans la chaîne Hecynienne (Europe de l'Ouest) et aux granulites de Laponie (Finlande). Bull. Soc. Geol. Mineral. Bretagne C15. C15:1983;29-72.
12. Leake B.E. A catalog of analyzed calciferous and subcalciferous amphiboles together with their nomenclature and associated minerals. Geol. Soc. Am. Bull. 98:1968;210.
13. Spear F.S., Metamorphic phase equilibria and P-T-t paths, in: Mineralogical Society America, Monograph, (Eds.), Washington, 1993, 800 p.
14. Ague J. Thermodynamic calculation of emplacement pressures for batholithic rocks, California: Implication for the aluminium-in-hornblende barometer. Geology. 25:1997;563-566.
15. Blundy J.D., Holland T. Calcic amphibole equilibria and a new amphibole-plagioclase geothermometer. Contri. Mineral. Petrol. 104:1990;208-224.
16. Kroll H., Evangelakakis C., Voll G. Two-feldspar geothermometry: a review and revision for slowly cooled rocks. Contrib. Mineral. Petrol. 114:1993;510-518.
17. Hammarstrong J.M., Zen E-an. Al in Hornblende: an empirical igneous geobarometer. American Mineralogist. 71:1986;1297-1313.
18. Hollister L.S., Grissom G.C., Peters E.K., Stowell H.H., Gisson V.B. Confirmation of the empirical correlation of Al in Hornblende with pressure of solidification of calc-alkalin plutons. American Mineralogist. 72:1987;231-239.
19. Schmidt M. Amphibole composition in tonalite as a function of P: an experimental calibration of the Al-in Hornblende barometer. Contri. Mineral. Petrol. 110:1992;304-310.
20. Ernst W.G., Jun Liu. Experimental phase-equilibrium study of Al- and Ti-contents of calcic amphibole in a MORB-A semiquantitative thermobarometer. 83 83:1998;952-969.
21. Zatkrutkin V.V., Grigorenko M.V. Titanium and alkalies in biotites in metamorphic facies. Doklady of the Academy of Sciences USSR. 178:1968;124-127.
22. Berman R.G. Thermobarometry using multi-equilibrium calculations: A new technique with petrological applications. Canadian Mineralogist. 29:1991;833-855.
23. Mader U.K., Berman R.G. Amphibole thermobarometry of garnet-clinopyroxene-hornblende granulite from the Kapuskasing structural zone. Can. J. Earth Sci. 31:1992;889-908.
24. Berman R.G. Mixing properties of Ca-Mg-Fe-Mn garnets. Am. Mineral. 75:1990;328-344.
25. Furhman M.L., Lindsley D.H. Ternary-feldspar modeling and thermometry. Am. Mineral. 73:1988;201-215.
26. Gasparik T.K., Lindsley D.H. Phase equilibria at high pressure of pyroxenes containing monovalent and trivalent ions. Rev. Mineral. 7:1980;309-340.
27. 40Ar laser probe dating of terrestrial rocks. Earth Planet. Sci. Lett. 59:1982;21-27.
28. Harrison T.M., Heizler M.T., Lovera O.M., Wenji C., Grove M. A chlorine disinfectant for excess argon released from K-feldspar during step heating. Earth Planetery Science Letters. 123:1994;95-104.
29. 39Ar thermochronology on alkali feldspar. Tectonics. 12:1993;1335-1346.
30. 39Ar thermochronometry for slowly cooled samples having a distribution of diffusion domain sizes. J. Geophys. Res. 94:1989;17917-17935.
31. 39Ar released during step heating. J. Geophys. Res. 96:1991;2057-2069.
32. Calvez J.Y., Vidal P. Two billion year old relicts in the Hercynian belt of Western Europe. Contrib. Mineral. Petrol. 65:1978;395-399.
33. Auvray B., Genèse et évolution de la croûte continentale dans le Nord du Massif Armoricain, Rennes, PhD, 1979.
34. Choukroune P., Pinet B., Roure F., Cazes M. Major Hercynian structures along the ECORS Pyrenees and Biscay lines. Bull. Soc. geol. Fr. 1980;313-320.
35. Casado B.O., Geochronological studies of the Pre-Mesozoic basement of the Iberia Massif: the Ossa Morena Zone and the allochthonous Complexes within the Iberia Zone. ETH-Zentrum Zurich, PhD, 1998.
36. Olivet J.L., Bonnin J., Beuzart P., Auzende J.M. Atlantique Nord et Central, Synthèse cinématique série de 4 Planches. CNEXO-COB. 0000.
37. Grimaud S., Boillot G., Collette B., Mauffret A., Miles P.R., Roberts D.B. Western extension on the Iberian-European plate boundary during the Early Cenozoic (Pyrenean) convergence: a new model. Marine Geol. 45:1982;63-77.
38. Vidal P. Évolution poly-orogénique du Massif Armoricain. Apport de la géochronologie et de la géochimie isotopique du Strontium. Soc. Geol. Mineral. Bretagne. 21:1980;162.
39. Gebauer D., Williams I.S., Compston W. Detrital minerals of Cadomian ages in sediments and metasediments of the European Hercynides [abs]. Geol. Soc. London, special meeting The Cadomian Orogeny. 44:1988.