Significance of MORB-derived amphibolites from the aracena metamorphic belt, southwest Spain

Journal of Petrology

Volumn 37, Issue 2, 1996, Pages 235-260

  Castro, Antonio ^a   Fernandez, Carlos ^a   De La Rosa, Jesus D ^a   Moreno Ventas, Iñaki ^a   Rogers, Graeme ^b  

^a UNIVERSITY OF HUELVA   (Spain)

^b SCOTTISH UNIVERSITIES ENVIRONMENTAL RESEARCH CENTRE   (United Kingdom)

Author keywords

Amphibolite; Boninites; Hercynian belt; Inverted metamorphic gradient; Slab window

Indexed keywords

EID: 0000604340     PISSN: 00223530     EISSN: None     Source Type: Journal    
DOI: 10.1093/petrology/37.2.235     Document Type: Article

References (45)

1. Abalos, B., Gil Ibarguchi, I. & Eguiluz, L., 1991. Structural and metamorphic evolution of the Almaden de la Plata Core (Sevilla, Spain) in relation to syn-metamorphic shear between the Ossa-Morena and South Portuguese zones of the Iberian Variscan fold belt. Tectonophysics 191, 365-387.
2. Barbero, L., Villaseca, C., Rogers, G. & Brown, P. E., 1995. Geochemical and isotopic disequilibrium in crustal melting: an insight from the anatectic granitoids from Toledo (Spain). Journal of Geophysical Research 100, 15745-15765.
3. Bard, J. P., 1969. Le métamorphisme régional progressif de Sierra de Aracena en Andalousie occidentale (Espagne). Thèse d'Etat, University of Montpellier, 398 pp.
4. Bard, J. P., 1992. Les complexes intrusifs acide-basique calcoalcalines de la Chaîne Varisque Sud-Iberique et leurs liaisons avec les grands cisaillements transpressifs de Badajoz-Cordouc et de la Zone Sud-Iberique: proposition de modèles géodynamiques impliquant des processus de subduction continentale. Comptes Rendus Hebdomadaires des Séances de l' Académie des Sciences 314, 711-716.
5. Bard, J. P. & Moine, B., 1979. Acebuches amphibolites in the Aracena Hercynian metamorphic belt (southwest Spain): geochemical variations and basaltic affinities. Lithos 12, 271-282.
6. Blundy, J. D. & Holland, J. B., 1990. Calcic amphibole equilibria and a new amphibole-plagioclase geothermometer. Contributions to Mineralogy and Petrology 104, 208-224.
7. Blundy, J. D., Brodholt, J. P. & Wood, B. J, 1991. Carbon-fluid equilibria and the oxidation state of the upper mantle. Nature 349, 321-324.
8. Carmichael, I. S. E. & Nicholls, J., 1967. Iron-titanium oxide and oxygen fugacities in volcanic rocks. Journal of Geophysical Research 72, 4665-4687.
9. Crawford, A. J., Beccaluva, L. & Serri, G., 1981. Tectonomagmatic evolution of the West Philippine-Mariana region and the origin of boninites. Earth and Planetary Science Letters 54, 346-356.
10. Crawford, A. J., Falloon, T. J. & Green, D. H., 1989. Classification, petrogenesis and tectonic setting of boninites. In: Crawford, A. J. (ed.) Boninites and Related Rocks. London: Unwin Hyman.
11. Crespo-Blanc, A., 1987. El macizo de Aracena (macizo Ibérico meridional): propuesta de division sobre la base de nuevos datos estructurales y petrográficos. Boletin Geológico y Minera 98, 507-515.
12. Crespo-Blanc, A. & Orozco, M., 1988. The Southern Iberian Shear Zone: a major boundary in the Hercynian folded belt. Tectonophysics 148, 221-227.
13. 39Ar mineral age constraints for the tectonothermal evolution of a Variscan suture in southwest Iberia. Tectonophysics 222, 177-194.
14. DePaolo, D. J., 1988. Neodymiun Isotope Geochemistry. An Introduction. Berlin: Springer-Verlag, 187 pp.
15. Dupuy, C., Dostal, J. & Bard, J. P., 1979. Trace element geochemistry of Paleozoic amphibolites from SW Spain. Tschermaks Mineralogische und Petrographische Mitteilungen 26, 87-93.
16. Eden, C., 1991. Tectonostratigraphic analysis of the northern extent of the oceanic exotic terrane, northwestern Huelva province, Spain. Ph.D. Thesis, University of Southampton.
17. Graham, C. M. & England, P. C., 1976. Thermal regimes and regional metamorphism in the vicinity of overthrust faults: an example of shear heating and inverted metamorphic zonation from southern California. Earth and Planetary Science Letters 31, 142-152.
18. 18O buffering of the oceans by deep (5 km) sea water-hydrothermal circulation at mid-ocean ridges. Journal of Geophysical Research 86, 2737-2755.
19. Hickey, R. L. & Frey, F. A., 1982. Geochemical characteristics of boninite series volcanics: implications for the source. Geochimica et Cosmochimica Acta 46, 2099-2115.
20. Hoefs, J., 1987. Stable Isotope Geochemistry. Berlin: Springer-Verlag, 241 pp.
21. Hole, M. J., Rogers, G., Saunders, A. D. & Storey, M., 1991. Relation between alkalic volcanism and slab-window formation. Geology 19, 657-660.
22. Holland, T. J. B., 1980. The reaction albite=Jadeite+quartz determined experimentally in the range 600-12000C. American Mineralogist 65, 129-134.
23. Hyndman, D. W., 1972. Petrology of Igneous and Metamorphic Rocks. New York: McGraw-Hill, 533 pp.
24. Julivert, M., Fontboté, J. M., Ribeiro, A. & Conde, L. N., 1974. Memoria explicativa del Mapa Tectónico de la Peninsula Ibérica y Baleares. Madrid: IGME.
25. Laird, J., 1980. Phase equilibria in mafic schists from Vermont. Journal of Petrology 21, 1-37.
26. Laird, J. & Albee, A. L., 1981. Pressure, temperature and time indicators in mafic schist: their application to reconstructing the polymetamorphic history of Vermont. American Journal of Science 281, 127-175.
27. Lcake, B. E., 1978. Nomenclature of amphiboles. Canadian Mineralogist 16, 501-520.
28. McCulloch, M. T., & Taylor, H. P., 1980. A neodymium, strontium, and oxygen isotopic study of the Cretaceous Samail ophiolite and implications for the petrogenesis and seawater - hydrothermal alteration of oceanic crust. Earth and Planetary Science Letters 46, 201-211.
29. Miyashiro, A., 1973. Melamorphism and Metamorphic Belts. London: George Allen & Unwin, 492 pp.
30. Moody, J. B. M. D. & Jenkins, J. E., 1983. Experimental characterization of the greenschist/amphibolite boundary in mafic systems. American Journal of Science 283, 48-92.
31. Nakamura, N., 1974. Determination of REE, Ba, Mg, Na and K in carbonaceous and ordinary chondrites. Geochimica et Cosmochimica Acta 38, 757-773.
32. Peacock, S. M., 1987. Creation and preservation of subduction-related inverted metamorphic gradients. Journal of Geophysical Research 92, 12763-12781.
33. Peacock, S. M., 1993. The importance of blueschist-eclogite dehydration reactions in subducting oceanic crust. Geological Society of America Bulletin 105, 684-694.
34. Pearce, J. A., 1983. The role of the sub-continental lithosphere in magma genesis at destructive plate margins. In: Hawkesworth, C. J. & Norry, M. J. (eds) Continental Basalts and Mantle Xenoliths. Nantwich, UK: Shiva, pp. 230-249.
35. Pe-Piper, G., 1988. Calcic amphiboles of mafic rocks of the Jeffers Brook plutonic complex, Nova Scotia, Canada. American Mineralogist 73, 993-1006.
36. Quesada, C., 1991. Geological constraints on the Paleozoic tectonic evolution of tectonostratigraphic terranes in the Iberian Massif. Tectonophysics 185, 225-245.
37. Quesada, C., Fonseca, P. E., Munhá, J., Oliveira, J. T. & Ribeiro, A., 1994. The Beja-Acebuches Ophiolite (Southern Iberia Variscan fold belt): geological characterization and geodynamic significance. Boletin Geologico y Minero 105, 3-49.
38. Robinson, P., Spear, F. S., Schumacher, J. C., Laird, J., Klein, C., Evans, B. W. & Doolan, B. L., 1982. Phase relations of metamorphic amphiboles: natural occurrences and theory. Mineralogical Society of America, Reviews in Mineralogy 277, 1-277.
39. Rogers, G. & Saunders, A. D., 1989. Magnesian andesites from Mexico, Chile and the Aleutian Islands: implications for magmatism associated with ridge-trench collisions. In: Crawford, A. J. (ed.) Boninites and Related Rocks. London: Unwin Hyman, pp. 416-445.
40. Saunders, A. D., 1984. The rare earth element characteristics of igneous rocks from the ocean basins. In: Henderson, P. (ed.) Rare Earth Element Geochemistry. Amsterdam: Elsevier, pp. 205-236.
41. Spear, F. S., 1980. NaSi-CaAl exchange equilibrium between plagioclase and amphibole. An empirical model. Contributions to Mineralogy and Petrology 72, 33-41.
42. Spear, F. S., 1981. An experimental study of hornblende stability and compositional variability in amphibolite. American Journal of Science 281, 697-734.
43. Spear, F. S., 1982. Phase equilibria of amphibolites from the Post Pond Volcanics, Mt Cube Quadrangle, Vermont. Journal of Petrology 23, 383-426.
44. 18O-enriched ophiolite metabasic rocks from E. Liguria (Italy), Pindos (Greece) and Troodos (Cyprus). Contributions to Mineralogy and Petrology 47, 41-62.
45. Trzienski, W. E., Carmichael, D. M. & Helmstaedt, H., 1984. Zoned sodic amphibole: petrologic indicator of changing pressure and temperature during tectonism in the Bathurst Area, New Brunswick, Canada. Contributions to Mineralogy and Petrology 85, 311-320.