Migmatization by metamorphic segregation at subsolidus conditions: Implications for Nd-Pb isotope exchange

Lithos

Volumn 46, Issue 2, 1999, Pages 275-298

  Chavagnac, Valérie ^a   Nägler, Thomas F ^b   Kramers, Jan D ^b  

^a UNIVERSITY OF BERN   (Switzerland)

^b NONE

Author keywords

Geochemistry; Isotope; Limpopo belt; Mass balance; Migmatization; Proterozoic

Indexed keywords

EID: 0003279103     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0024-4937(98)00071-1     Document Type: Article

References (76)

1. Albarède, F., 1995. Introduction to geochemical modeling. Cambridge Univ. Press, Cambridge, p. 553.
2. Allègre C.J., Minster J.F. Quantitative models of trace element behaviour in magmatic processes. Earth Planet. Sci. Lett. 38:1978;1-25.
3. Arndt N.T., Teixeira N.A., White W.M. Bizarre geochemistry of komatiites from the Crixas greenstone belt, Brazil. Contrib. Mineral. Petrol. 101:1989;187-197.
4. Arth J.G., Barker F. Rare-earth partitioning between hornblende and dacitic lquid and implications for the genesis of trondhjemitic-tonalitic magmas. Geology. 4:1976;534-536.
5. Arth J.G., Hanson G.N. Geochemistry and origin of the early Precambrian crust of northeastern Minnesota. Geochim. Cosmochim. Acta. 39:1975;325-362.
6. Ashworth, J.R., McLennan, E.L., 1985. Textures. In: Ashworth, J.R. (Ed.), Migmatites, Blackie, Glasgow, pp. 108-203.
7. Babcock R.S., Misch P. Origin of the skagit migmatites, North cascades range, Washington State. Contrib. Mineral. Petrol. 101:1989;485-495.
8. Barbey P., Bertrand J.M., Angoua S., Dautel D. Petrology and U-Pb geochronology of the Telohat migmatites, Aleksod, Central Hoggar, Algeria. Contrib. Mineral. Petrol. 101:1989;207-219.
9. Barbey P., Macaudiere J., Nzenti J.P. High-pressure dehydration melting of metapelites evidence from the migmatites of Yaoundé (Cameroon). J. Petrol. 31:1990;401-427.
10. Barton, J.M., 1983. Our understanding of the Limpopo belt - a summary with proposals for future research. In: Van Biljon, W.J., Legg, J.H., (Eds.), The Limpopo Belt. Spec. Pub. Geol. Soc. of South Africa, 8, pp. 191-203.
11. Barton J.M., Holzer L., Kamber B., Doig R., Kramers J.D., Nyfeler D. Discrete metamorphic events in the Limpopo Belt, Southern Africa: implications for the application of P-T paths in complex metamorphic terrains. Geology. 22:1994;1035-1038.
12. Bernard-Griffiths J., Peucat J.J., Ménot R.P. Isotopic (Rb-Sr, U-Pb and Sm-Nd) and trace element geochemistry of eclogites from the pan-African belt: A case study of REE fractionation during high-grade metamorphism. Lithos. 27:1991;43-57.
13. Bhatia M.R., Cook K.A.W. Trace element characteristics of greywackes and their tectonic discrimination of sedimentary basins. Contrib. Mineral. Petrol. 92:1986;181-193.
14. Bloom K.A. Subsolius migmatization in high-grade meta-tuffs (Kurkijärvi, southwest Finland). Lithos. 21:1988;263-278.
15. Brooks C.K., Henderson P., Rønsbo J.G. Rare-earth partition between allanite and glass in the obsidian of Sandy Braes, Northern Ireland. Min. Mag. 44:1981;157-160.
16. Carney, J.N., Aldiss, D.T., Lock, N.P., 1994. The geology of Botswana. Geological Survey Department, Bulletin 37, 113 pp.
17. Chavagnac, V., 1998. Behaviour of the Sm-Nd isotopic system during metamorphism: examples from the HT-LP metamorphic terrane of the Limpopo belt, South Africa and the UHP metamorphic terrane of the DabieShan, China. PhD thesis, University of Rennes 1, 405 pp.
18. Chavagnac, V., Holzer, L., Kreissig, K., Kramers, J.D., Nägler, Th.F., 1998. Evolution crustale de l'Archéen au Proterozoïque en Afrique du Sud: Quand s'effectue la juxtaposition des cratons Kaapvaal and Zimbabwe? 17ème Réunion des Sciences de la Terre, Brest, 92.
19. Cuney M., Barbey P. Mise en évidence de phénomènes de cristallisation fractionnée dans les migmatites. C.R. Acad. Sci. Paris. 295:1982;37-42.
20. Dahl P.S. The effects of composition on retentivity of argon and oxygen in hornblende and related amphiboles: a field-tested empirical model. Geochim. Cosmochim. Acta. 60:1996;3687-3700.
21. Dahl P.S. An 'ionic porosity' approach to modeling compositional effects on diffusivity and retentivity of Ar and O in hornblende and related amphiboles. Earth Planet. Sci. Lett. 150:1997;277-290.
22. Fourcade S., Martin H., de Brémond d'Ars J. Chemical exchange in migmatites during cooling. Lithos. 28:1992;43-53.
23. Goldstein S.L., O'Nions R.K., Hamilton P.J. A Sm-Nd isotopic study of atmospheric dusts and particulates from major river systems. Earth Planet. Sci. Lett. 70:1984;221-236.
24. Green T.H., Pearson N.J. Rare-earth element partitioning between sphene and coexisting silicate luid at high-pressure and temperature. Chem. Geol. 55:1986;105-119.
25. Gromet L.P., Silver L.T. Rare earth element distributions among minerals in a granodiorite and their petrogenetic implications. Geochim. Cosmochim. Acta. 47:1983;925-939.
26. Gruau G., Rosing M., Bridgwater D., Gill R.C.O. Resetting of Sm-Nd systematics during metamorphism of the 3.7 Ga rocks: implications for isotopic models of early Earth differentiation. Chem. Geol. 133:1996;225-240.
27. Hanson G.N. The application of trace elements to the petrogenesis of igneous rocks of granitic composition. Earth Planet. Sci. Lett. 38:1978;26-43.
28. Hanson G.N. Rare earth elements in petrogenetic studies of igneous systems. Annu. Rev. Earth Planet. Sci. 8:1980;371-406.
29. Higushi H., Nagasawa H. Partition of trace elements between rock forming minerals and the host volcanic rocks. Earth Planet. Sci. Lett. 7:1969;281-287.
30. Holmquist P.J. Typen und nomenklatur der Adergesteine. Geol. Fören. Stockholm Förth. 43:1929;613-631.
31. Holzer L., Frei R., Barton J.M., Kramers J.D. Unraveling the record of successive high-grade events in the central zone of the Limpopo belt using Pb single phase dating of metamorphic minerals. Precam. Res. 87:1997;87-115.
32. Holzer, L., Barton, J.M., Paya, B.K., Kramers, J.D., 1998. Tectono-thermal history of the western part of the Limpopo belt: test of tectonic models and new perspectives. J. of Afr. Earth. Sci., in press.
33. Hutton, L.G., Key, R.M., Hutton, S.M., 1974. Chemical analyses of rocks, ores and minerals of Botswana. Geological Survey of Botswana, Bulletin 3.
34. Inger S., Harris N.B.W. Geochemical constraints on leucogranite magmatism in the Langtang valley, Nepal Himalaya. J. Petrol. 34:1993;345-368.
35. Jaeckel P., Kröner A., Kamo S.L., Brandl G., Wendt J.J. Late archean to early proterozoic granitoid magmatism and high-grade metamorphism in the central Limpopo belt, South Africa. J. Geol. Soc. London. 154:1997;25-44.
36. Johannes, W., 1985. The significance of experimental studies for the formation of migmatites. In: Ashworth, J.R. (Ed.), Migmatites. Blackie, Glasgow, pp. 36-85.
37. Johannes W., Gupta L.N. Origin and evolution of a migmatite. Contrib. Mineral. Petrol. 79:1982;114-123.
38. 2O-undersaturated granitic melts. In: High-temperature metamorphism and crustal anatexis. pp. 87-104.
39. Johannes W., Holtz F., Möller P. REE distribution in some layered migmatites constraints on their petrogenesis. Lithos. 35:1995;139-152.
40. Kamber B.S., Blenkinsop T.G., Villa I.M., Dahl P.S. Proterozoic transpressive deformation in the Northern Marginal Zone, Limpopo Belt, Zimbabwe. J. Geol. 103:1995;493-508.
41. Kamber B.S., Biino G.G., Wijbrans J.R., Davies G.R., Villa I.M. Archean granulites of the Limpopo Belt, Zimbabwe: one slow exhumation or two rapid events? Tectonics. 15:1996;1414-1430.
42. Kramers, J.D., Chavagnac, V., Holzer, L., Nägler, Th.F., Villa, I.M., 1998. Trace element partitioning can explain an apparent paradox of mineral chronometer memory. 88 Jahrestagung der Geologischen Vereinigung e.V. 98/1, 58.
43. Lindh A., Wahlgren C-H. Migmatite formation at subsolidus conditions - an alternative to anatexis. J. Metam. Geol. 3:1985;1-12.
44. Mason R. The Limpopo mobile belt, Southern Africa. Philos. Trans. R. Soc. London, Ser. A. 273:1973;463-485.
45. Masuda A., Nakamura N., Tanaka T. Fine structures of mutually normalized rare earth patterns of chrondrites. Geochim. Cosmochim. Acta. 37:1973;239-248.
46. Mehnert, K.R., 1968. Migmatites and the Origin of Granitic Rocks. Elsevier, Amsterdam.
47. Miller C.F., Mittlefehldt D.W. Depletion of light rare-earth elements in felsic magmas. Geology. 10:1982;129-133.
48. Misch P. Plagioclase composition and non-anatectic origin of migmatitic gneisses in Northern Cascade Mountains of Washington State. Contrib. Mineral. Petrol. 17:1968;1-70.
49. Moorbath S., Whitehouse M.J., Kamber B.S. Extreme Nd-isotope heterogeneity in the early Archean - fact or fiction? Case histories from northern Canada and West Greenland. Chem. Geol. 135:1997;213-231.
50. Nägler Th.F., Kramers J.D. Nd isotopic evolution of the upper mantle during the precambrian: model, data and the uncertainty of both. Precam. Res. 91:1998;233-252.
51. Nier A.O. A redetermination of the relative abundance of the isotopes of carbon, nitrogen, oxygen, argon, and potassium. Phys. Res. 77:1950;789-793.
52. O'Connor, J.T., 1965. A classification for quartz-rich igneous rocks based on feldspar ratios. US Geol. Surv. Prof. 525B, B79-B84.
53. Olsen S.N. Mass-balance and mass-transfer in migmatites from the Colorado Front Range. Contrib. Mineral. Petrol. 85:1984;30-44.
54. Olsen, S.N., 1985. Mass balance in migmatites. In: Ashworth, J.R. (Ed.), Migmatites. Blackie, Glasgow, pp. 145-179.
55. Onuma N., Higushi H., Wakita H., Nagasawa H. Trace element partition between two pyroxenes and the host volcanic rocks. Earth Planet. Sci. Lett. 5:1968;47-51.
56. Paya, B.K., 1996. The geology of the Bobonong area. Geological Survey of Botswana. Bulletin 40.
57. Prinzhofer A., Allègre C.J. Residual peridotites and the mechanisms of partial melting. Earth Planet. Sci. Lett. 74:1985;251-265.
58. Robin P-Y.F. Theory of metamorphic segregation and related processes. Geochim. Cosmochim. Acta. 43:1979;1587-1600.
59. Rosing M.T. The theoretical effect of metasomatism on Sm-Nd isotopic systems. Geochim. Cosmochim. Acta. 54:1990;1337-1341.
60. Sawyer E.W. The role of partial melting and fractional crystallization in determining discordant migmatite leucosome compositions. J. Petrol. 28:1987;445-473.
61. Sawyer E.W. Disequilibrium melting and rate of melt-residuum separation during migmatization of mafic rocks from the Grenville Front, Quebec. J. Petrol. 32:1991;701-738.
62. Sederholm J.J. On granite and Gneiss. Bull. Comm. Geol. Finl. 23:1907;1-110.
63. Sederholm J.J. Die Enstehung der migmatischen Gesteine. Geol. Rundsch. 4:1913;174-195.
64. Sederholm J.J. On migmatites and associated Precambrian rocks of South western Finland. Bull. Comm. Geol. Finl. 107:1934;1-68.
65. Sévigny J.H. Monazite controlled Sm/Nd fractionation in leucogranites: an ion microprobe study of garnet phenocrysts. Geochim. Cosmochim. Acta. 57:1993;4095-4102.
66. Stacey J.S., Kramers J.D. Approximation of terrestrial lead isotope geochemistry of a two-stage model. Earth Planet. Sci. Lett. 26:1975;207-221.
67. Streckeisen A. To each plutonic rock its proper name. Earth Sci. Rev. 12:1976;1-33.
68. Tourpin S., Gruau G., Blais S., Fourcade S. Resetting of REE, and Nd and Sr isotopes during carbonitization of a komatiite flow from Finland. Chem. Geol. 90:1991;15-29.
69. Tsunogae, T., Miyano, T., Machacha, T.P., 1989. Retrograde orthoamphiboles in metapelites near Maratele, southwest Selebi-Phikwe, Botswana. University of Tsukuba. Report 15.
70. van Breemen O., Dodson M.H. Metamorphic chronology of the Limpopo belt, Southern Africa. Geol. Soc. Am. Bull. 83:1972;2005-2018.
71. van Reenen D.D., Roering C., Ashwal L.D., de Wit M.J. Regional geological setting of the Limpopo belt. Precam. Res. 55:1992;1-5.
72. Wasserburg G.J., Jacobsen S.B., De Paolo D.J., McCulloch M.T., Wen J. Precise determination of Sm/Nd ratios, Sm and Nd isotopic abundances in standard solutions. Geochim. Cosmochim. Acta. 45:1981;2311-2323.
73. Weber C., Barbey P. The role of water, mixing processes and metamorphic fabric in the genesis of the Baume migmatites (Ardèche France). Contrib. Mineral. Petrol. 92:1986;481-491.
74. Whitehouse M.J., Fowler M.B., Friend C.R.L. Conflicting mineral and whole rock isochron ages from the Late-Archean Lewisian complex of northwestern Scotland: implications for geochronology in polymetamorphic high-grade terrains. Geochim. Cosmochim. Acta. 61:1996;3085-3102.
75. Whitney D.L., Irving A.J. Origin of K-poor leucosomes in a metasedimentary migmatite complex by ultrametamorphism, syn-metamorphic magmatism and subsolidus processes. Lithos. 32:1994;173-192.
76. Winkler H.G.F. Die Genese von Graniten und Migmatiten auf Grund neuer Experimente. Geol. Rundsch. 61:1961;347-364.