Equilibration conditions of eclogite lenses from Isla Margarita, Venezuela: Implications for the tectonic evolution of the metasedimentary Juan Griego Group

Lithos

Volumn 37, Issue 1, 1996, Pages 39-59

  Bocchio, R ^a   De Capitani, L ^a   Liborio, G ^a   Maresch, W V ^b   Mottana, A ^c  

^a UNIVERSITY OF MILAN   (Italy)

^b UNIVERSITY OF MÜNSTER   (Germany)

^c ROMA TRE UNIVERSITY   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

BOUDIN; ECLOGITE; JUAN GRIEGO GROUP; METAMORPHISM; METASEDIMENTARY ROCK; POD; TECTONIC EVOLUTION;

VENEZUELA, ISLA MARGARITA;

EID: 0029749212     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/0024-4937(95)00014-3     Document Type: Article

References (48)

1. Banno, S., 1970. Classification of eclogites in terms of physical conditions of their origin. Phys. Earth Planet. Inter., 3: 405-421.
2. Beets, D.J., Maresch, W.V., Klaver, G.Th., Mottana, A., Bocchio, R., Beunk, F.F. and Monen, H.P., 1984. Magmatic rock series and high-pressure metamorphism as constraints on the tectonic history of the southern Caribbean. Geol. Soc. Am. Mem., 162: 95-130.
3. 2. J. Petrol., 29: 445-522.
4. Blackburn, W.H. and Navarro, E., 1977. Garnet zoning and polymetamorphism in the eclogitic rocks of Isla de Margarita, Venezuela. Can. Mineral., 15: 257-266.
5. Blundy, J.D. and Holland, T.J.B., 1990. Calcic amphibole equilibria and a new amphibole-plagioclase geothermometer. Contrib. Mineral. Petrol., 104: 208-224.
6. Bocchio, R., De Capitani, L., Liborio, G., Maresch, W.V. and Mottana, A., 1990. The eclogite-bearing series of Isla Margarita, Venezuela: geochemistry of metabasic lithologies in the La Rinconada and Juan Griego Groups. Lithos, 25: 55-69.
7. Carpenter, M.A., 1981. Time-temperature-transformation (TTT) analysis of cation disordering in omphacite. Contrib. Mineral. Petrol., 78: 433-440.
8. Carpenter, M.A. and Smith, D.C., 1981. Solid solution and cation ordering limits in high temperature sodic pyroxenes from the Nybö eclogite pod, Norway. Mineral. Mag., 44: 37-44.
9. Carswell, D.A., 1990. Eclogites and the eclogite facies: definitions and classification. In: D.A, Carswell (Editor), Eclogite Facies Rocks. Blackie, Glasgow, pp. 1-13.
10. Champness, P.E., 1973. Speculation on a order-disorder transformation in omphacite. Am. Mineral., 58: 540-542.
11. Colby, J.W., 1971. Magic IV, a Computer Program for Quantitative Electron Microprobe Analysis. Bell Telephone Laboratories, Allentown, Pennsylvania.
12. Ellis, D.J. and Green, D.H., 1979. An experimental study of the effect of Ca upon garnet-clinopyroxene Fe-Mg exchange equilibria. Contrib. Mineral. Petrol., 71: 13-22
13. Enami, M. and Banno, S., 1980. Zoisite-clinozoisiterelations in low-to medium-grade high pressure metamorphic rocks and their implications. Mineral. Mag., 43: 1005-1013.
14. Essene, E.J., 1989. The current status of thermobarometry in metamorphic rocks. In: J.S. Daly, R.A. Cliff and B.W.D. Yardley (Editors), Evolution of Metamorphic Belts. Geol. Soc. London Spec. Publ., 43: 1-44.
15. Evans, B.W., Trommsdorff, V. and Goles, G.G., 1981. Geochemistry of high-grade eclogites and metarodingites from the Central Alps. Contrib. Mineral. Petrol., 76: 301-311.
16. Evans, B.W., Trommsdorff, V. and Richter, W., 1979. Petrology of an eclogite-metarodingite suite at Cima di Gagnone, Ticino, Switzerland. Am. Mineral., 64: 15-31.
17. Franz, G, and Spear, F.S., 1985. Aluminous titanite (sphene) from the Eclogite Zone, south-central Tauern Window, Austria. Chem. Geol., 50: 33-46.
18. Gasparik, T. and Lindsley, D.H., 1980. Phase equilibria at high pressure of pyroxenes containing monovalent and trivalent ions. In: C.T. Prewitt (Editor), Pyroxenes. Min. Soc. Am., Rev. Mineral., 7: 309-339.
19. Heinrich, C.A., 1982. Kyanite-eclogite to amphibolite facies evolution of hydrous mafic and pelitic rocks, Adula Nappe, Central Alps. Contrib. Mineral. Petrol., 81: 30-38.
20. Hirajima, T., Banno, S. Hiroi, Y. and Ohta, Y., 1988. Phase petrology of eclogites and related rocks from the Motalafjella high-pressure metamorphic complex in Spitsbergen (Arctic Ocean) and its significance. Lithos, 22: 75-97.
21. Hoisch, T.D., 1991. Equilibria within the mineral assemblage quartz + muscovite + biotite 4- garnet + plagioclase, and implications for the mixing properties of octahedrally-coordinated cations in muscovite and biotite. Contrib. Mineral. Petrol., 108: 43-54.
22. Holland, T.J.B., 1980. The reaction albite= Jadeite + quartz determined experimentally in the range 600-1200°C. Am. Mineral., 65: 129-134.
23. Krückhans, G. and Maresch, W.V., 1992. Hochdruckmetamorphose der pelitischen Juan Griego Einheit, Insel Margarita/Venezuela. Ber. Dtsch. Min. Ges., Beih. Eur. J. Mineral., 4: 167.
24. Laird, J. and Albee, A.L., 1981. Pressure, temperature and time indicators in mafic schists: Their application to reconstructing the polymetamorphic hystory of Vermont. Am. J. Sci., 281: 27-175.
25. Leake, B.E., 1978. Nomenclature of amphiboles (Subcommittee on amphiboles, IMA). Mineral. Mag., 42: 533-563.
26. Maresch, W.V., 1972. Eclogitic-amphibolitic rocks on Isla Margarita, Venezuela: preliminary account. Geol. Soc. Am. Mem., 132: 429-437.
27. Maresch, W. V., 1974. Plate tectonic origin of the Caribbean Mountain System of northern South America: Discussion and proposal. Geol. Soc. Am. Bull., 85: 669-682.
28. Maresch, W.V., 1975. The geology of northeastern Margarita Island, Venezuela: A contribution to the study of Caribbean plate margins. Geol. Rundsch., 64: 846-883.
29. Maresch, W.V. and Abraham, K., 1981. Petrography, mineralogy and metamorphic evolution of an eclogite from the Island of Margarita, Venezuela. J. Petrol., 22: 337-362.
30. Maresch, W.V., Medenbach, O. and Rudolph, A., 1982. Winchite and the actinolite-glaucophane miscibility gap. Nature, 296: 731-732.
31. 2 phase. Terra Cognita, 5: 432.
32. Morimoto, N., Fabries, J., Ferguson, A.K., Ginzburg, I.V., Ross, M., Seifert, F.A., Zussman, J., Aoki, K. and Gottardi, G., 1988. Nomenclature of pyroxenes. Mineral. Mag., 52: 535-550.
33. Mottana, A., 1983. Order-disorder in omphacites: practical determination and petrological significance. Period. Mineral., 52: 427-461.
34. Mottana, A., 1986. Crystal-chemical evaluation of garnet and omphacite microprobe analyses: Its bearing on the classification of eclogites. Lithos, 19: 171-186.
35. Mottana, A., Bocchio, R., Liborio, G., Morten, L. and Maresch, W.V., 1985. The eclogite-bearing metabasaltic sequence of Isla Margarita, Venezuela: a geochemical study. Chem. Geol., 50: 351-368.
36. Mottana, A., Carswell, D.A., Chopin, C. and Oberhänsli, R., 1990. Eclogite facies mineral parageneses. In: D.A. Carswell (Editor), Eclogite Facies Rocks. Blackie, Glasgow, pp. 14-52.
37. Navarro, E., 1974. Petrogenesis of the Eclogitic Rocks of Isla de Margarita, Venezuela. Ph.D. Diss., Univ. Kentucky, 213 pp.
38. Newton, R.C., 1986. Metamorphic temperatures and pressures of Group B and C eclogites. In: B.W. Evans and E.H. Brown (Editors), Blueschists and Eclogites. Geol. Soc. Am. Mem., 164: 17-30.
39. Poli, S. and Schmidt, M.W., 1992. A comment on "Calcic amphibole equilibria on a new amphibole-plagioclase geothermometer" by J.D.Blundy and T.J.B.Holland, 1990 (Contrib. Mineral. Petrol. (1990) 104: 208-224). Contrib. Mineral. Petrol., 111: 273-282.
40. Poli, S. and Schmidt, M.W., 1992. A comment on "Calcic amphibole equilibria on a new amphibole-plagioclase geothermometer" by J.D.Blundy and T.J.B.Holland, 1990 (Contrib. Mineral. Petrol. (1990) 104: 208-224). Contrib. Mineral. Petrol., 111: 273-282.
41. Rudolph, A., 1981. Petrographie und Petrologie von eklogitischen Linsen in Glimmerschiefern der Insel Margarita, Venezuela. Diplom-Arbeit, Ruhr-Univ. Bochum, 93+45 pp.
42. Smith, D.C., 1980. Highly aluminous sphene (titanite) in natural high pressure hydrous-eclogite-facies rocks from Norway and Italy, and in experimental runs at high pressure. 26th Int. Geol. Congr. Paris, France (abstract), section 02.3.1: 145.
43. Smith, D.C., 1981. The pressure and temperature dependence of Al-solubility in sphene in the system Ti-Al-Ca-Si-O-F. Exp. Petrol., ser. D, 18: 193-197.
44. Smith, D.C., 1988. A review of the peculiar mineralogy of the "Norwegian coesite-eclogite province", with crystal-chemical, petrological, geochemical and geodynamical notes and an extensive bibliography. In: D.C. Smith (Editor), Eclogites and Eclogite-facies Rocks. Elsevier, Amsterdam, pp. 1-206.
45. Smulikowski, K., 1972. Classification of eclogites and allied rocks. Krystalinikum, 9: 107-130.
46. Stöckhert, B., Maresch, W.V., Toetz, A., Kluge, R., Krückhans, G., Kaiser, C., Aguilar, V., Klier, T., Laupenmühlen, S., Piepenbreier, D. and Wiethe, I.,1993. Tectonic history of Isla Margarita, Venezuela - a record of a piece of crust close to an active plate margin. Zentralbl. Geol. Palaeontol., 1: 485-498.
47. Vignali, M., 1979. Estratigrafia y estructura de las Cordilleras metamórficas de Venezuela oriental (península de Araya-Paria y Isla de Margarita). Geos (Caracas), 25: 19-67.
48. Waters, D.J. and Martin, H.N., 1993. Geobarometry in phengitebearing eclogites. Terra Abstracts. Abstract Suppl. 1 to Terra Nova, 5: 410-411.