Isotopic constraints on Pan-African metamorphism in Dronning Maud Land, Antarctica

Chemical Geology

Volumn 129, Issue 3-4, 1996, Pages 247-256

  Moyes, A B ^a   Groenewald, P B ^b  

^a UNIVERSITY OF THE WITWATERSRAND   (South Africa)

^b UNIVERSITY OF KWAZULU NATAL   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

GARNET; ISOTOPIC COMPOSITION; METAMORPHISM; PAN AFRICAN OROGENY; SAMARIUM/NEODYMIUM DATING;

ANTARCTICA, DRONNING MAUD LAND;

EID: 0030468602     PISSN: 00092541     EISSN: None     Source Type: Journal    
DOI: 10.1016/0009-2541(95)00150-6     Document Type: Article

References (27)

1. Allen, A.R., 1991. The tectonic and metamorphic evolution of H.U. Sverdrupfjella, western Dronning Maud Land, Antarctica. In: M.R.A. Thomson, J.A. Crame and J.W. Thomson (Editors), Geological Evolution of Antarctica. Cambridge University Press, Cambridge, pp. 53-60.
2. Ben Othman, D., Polvé, M. and Allègre, C.J., 1984. Nd-Sr isotopic compositions of granulites and constraints on the evolution of the lower continental crust. Nature (London), 307: 510-515.
3. Burton, K.W. and O'Nions, R.K., 1991. High-resolution garnet chronometry and the rates of metamorphic processes. Earth Planet. Sci. Lett., 107: 649-671.
4. Burton, K.W., Kohn, M.J., Cohen, A.S. and O'Nions, R.K., 1995. The relative diffusion of Pb, Nd, Sr and O in garnet. Earth Planet. Sci. Lett., 133: 199-211.
5. Dirks, P.H.M.G., Carson, C.J. and Wilson, C.J.L., 1993. The deformational history of the Larsemann Hills, Prydz Bay: the importance of the Pan-African (500 Ma) in East Antarctica. Antarct. Sci., 5: 179-192.
6. Dodson, M.H., 1973. Closure temperature in cooling geochronological and petrological systems. Contrib. Mineral. Petrol., 40: 259-274.
7. Eglington, B.M. and Harmer, R.E., 1991. GEODATE, Version 2.2. CSIR (Counc. Sci. Ind. Res.), Pretoria, Rep. No. EMA-H 9102, 70 pp.
8. Erambert, M. and Austrheim, H., 1993. The effect of fluid and deformation on zoning and inclusion patterns in poly-metamorphic garnets. Contrib. Mineral. Petrol., 115: 204-214.
9. Grantham, G.H., Groenewald, P.B. and Hunter, D.R., 1988. Geology of the northern H.U. Sverdrupfjella, western Dronning Maud Land and implications for Gondwana reconstructions. S. Afr. J. Antarct. Sci., 18: 2-10.
10. Grantham, G.H., Jackson, C., Moyes, A.B., Groenewald, P.B., Harris, P.D., Ferrar, G. and Krynauw, J.R., 1995. The tectonothermal evolution of the Kirwanveggen-H.U. Sverdrupfjella terranes, Dronning Maud Land, Antarctica. Precambrian Res., 75: 209-229.
11. Groenewald, P.B., 1993. Correlation of cratonic and erogenic provinces in southeastern Africa and Dronning Maud Land, Antarctica. In: R.H. Findlay, H.R. Banks, J.J. Veevers and R. Unrug (Editors), Gondwana, 8. Assembly, Evolution and Dispersal. A.A. Balkema, Rotterdam, pp. 111-123.
12. Groenewald, P.B. and Hunter, D.R., 1991. Granulites of northern H.U. Sverdrupfjella, western Dronning Maud Land: metamorphic history from garnet-pyroxene assemblages, coronas and hydration reactions. In: M.R.A. Thomson, J.A. Crame and J.W. Thomson (Editors), Geological Evolution of Antarctica. Cambridge University Press, Cambridge, pp. 61-66.
13. Groenewald, P.B., Moyes, A.B., Grantham, G.H. and Krynauw, J.R., 1995. East Antarctic crustal evolution: geological constraints and modelling in western Dronning Naud Land. In: P. Dirks, C.W. Passchier en J.D. Hocks (Editors), Tectonics of East Antarctica. Precambrian Res., 75: 231-250.
14. Harrison, W.J. and Wood, B.J., 1980. An experimental investigation of the partitioning of REE between garnet and liquid with reference to the role of defect equilibria. Contrib. Mineral. Petrol., 72: 145-155.
15. Hensen, B.J. and Zhou, B., 1995. A Pan-African granulite facies metamorphic episode in Prydz Bay, Antarctica: evidence from Sm-Nd garnet dating. Aust. J. Earth Sci., 42: 249-258.
16. Hiroi, Y. and Ellis, D.J., 1994. Preservation of Ca, P and REE growth zonation patterns in garnets which have undergone partial Fe, Mg and Mn volume diffusion re-equilibration: examples from Japan and Sri Lanka. Eos (Trans. Am. Geophys. Union), April 19 Suppl., pp. 185-186.
17. Humphries, F.J. and Cliff, R.A., 1982. Sm-Nd dating and cooling history of Scourian granulites. Sutherland. Nature (London), 295: 515-517.
18. Jagoutz, E., 1988. Nd and Sr systematics in an eclogite xenolith from Tanzania: evidence for frozen mineral equilibria in the continental lithosphere, Geochim. Cosmochim. Acta, 52: 1285-1293.
19. Mezger, K., Essene, E.J. and Halliday, A.N., 1992. Closure temperatures of the Sm-Nd system in metamorphic garnets. Earth Planet. Sci. Lett., 113: 397-409.
20. Mørk, M.B.E. and Mearns, E.W., 1986. Sm-Nd systematics of a gabbro-eclogite transition. Lithos, 19: 255-267.
21. Moyes, A.B. and Barton, J.M., 1990. A review of the isotopic data from western Dronning Maud Land, Antarctica. Zentralbl. Geol. Paläontol., Teil I, pp. 19-31.
22. Moyes, A.B., Barton, J.M. and Groenewald, P.B., 1993a. Late Proterozoic to Early Palaeozoic tectonism in Dronning Maud Land, Antarctica: supercontinental fragmentation and amalgamation. J. Geol. Soc. London, 150: 833-842.
23. Patchett, P.J. and Ruiz, J., 1987. Nd isotopic ages of crust formation and metamorphism in the Precambrian of eastern and southern Mexico. Contrib. Mineral. Petrol., 96: 523-528.
24. Spear, F.S., 1993. Metamorphic phase equilibria and pressure-temperature-time paths. Mineral. Soc. Am., Washington, D.C., Monogr. Ser., 799 pp.
25. van Breemen, O. and Hawkesworth, C.J., 1980. Sm-Nd isotopic study of garnets and their metamorphic host rocks. Trans. R. Soc. Edinburgh, Earth Sci., 71: 97-102.
26. Vance, D. and O'Nions, R.K., 1990. Isotopic chronometry of zoned garnets: growth kinetics and metamorphic histories. Earth Planet. Sci. Lett., 97: 227-240.
27. Wood, B.J., 1976. Samarium distribution between garnet and liquid at high pressure. Carnegie Inst. Washington Yearbk., 75: 659-662.