Single-zircon geochronology and Nd isotopic systematics of Proterozoic high-grade rocks from the Mozambique belt of southern Tanzania (Masasi area): Implications for Gondwana assembly

Journal of the Geological Society

Volumn 160, Issue 5, 2003, Pages 745-757

  Kroner A ^a   Muhongo, S ^b   Hegner, E ^c   Wingate, M T D ^d  

^a JOHANNES GUTENBERG UNIVERSITY   (Germany)

^b UNIVERSITY OF DAR ES SALAAM   (Tanzania)

^c UNIVERSITY OF MUNICH   (Germany)

^d UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

Author keywords

Absolute age; Gondwana; Pan African orogeny; Tanzania

Indexed keywords

GEOCHRONOLOGY; GNEISS; GONDWANA; METAMORPHIC ROCK; NEODYMIUM ISOTOPE; PAN AFRICAN OROGENY; PROTEROZOIC;

TANZANIA;

EID: 4544317094     PISSN: 00167649     EISSN: None     Source Type: Journal    
DOI: 10.1144/0016-764901-170     Document Type: Article

References (65)

1. ANDRIESSEN, P.A.M., COOLEN, J.J.M.M.M. & HEBEDA, E.M. 1985. K-Ar hornblende dating of late Pan-African metamorphism in the Furua granulite complex of southern Tanzania. Precambrian Research, 30, 351-360.
2. BURTON, K.W., COHEN, A.S. & O'NIONS, R.K. 1988. Investigation of dehydration and melt loss in the lower crust. Chemical Geology, 70, 13.
3. CHOUDHARY, A.K., HARRIS, N.B.W., VAN CALSTEREN, P. & HAWKESWORTH, C.J. 1992. Pan-African charnockite formation in Kerala, South India. Geological Magazine, 129, 257-264.
4. CONDIE, K.C., BORYTA, M.D., LIU, J.H. & QIAN, X.L. 1993. The origin of khondalites: geochemical evidence from the Archean to early Proterozoic granulite belt in the North China craton. Precambrian Research, 59, 207-223.
5. COOLEN, J.J.M.M.M., PRIEM, H.N.A., VERDURMEN, E.A.T. & VERSCHURE, R.H. 1982. Possible zircon U-Pb evidence for Pan-African granulite-facies metamorphism in the Mozambique Belt of southern Tanzania. Precambrian Research, 17, 31-40.
6. COSTA, M., FERRARA, G. & SACCHI, R. 1990. Rb/Sr dating of the Upper Proterozoic basement of Zambezia, Mozambique. Geologische Rundschau, 18, 487-500.
7. COSTA, M., CADOPPI, P., SACCHI, R. & FANNING, C.M. 1994. U-Pb «SHRIMP» dating of zircons from Mozambique gneiss. Bolletino della Societa Geologica Italiana, 113, 173-178.
8. DEWEY, J.F. & BURKE, K.C. 1973. Tibetian, Variscan and Precambrian basement reactivation: products of continental collision. Journal of Geology, 81, 683-692.
9. EVANS, R.J., ASHWAL, L.D. & HAMILTON, M.A. 1999. Mafic, ultramafic, and anorthositic rocks of the Tete Complex, Mozambique: petrology, age, and significance. South African Journal of Geology, 102, 153-166.
10. FITZSIMONS, I.C.W. 2000. A review of tectonic events in the East Antarctic shield, and their implications for Gondwana and earlier supercontinents. Journal of African Earth Sciences, 31, 3-23.
11. GRANTHAM, D.R. 1955. The Geology and Ecology of the Nachingwea Region. Bulletin of the Geological Survey of Tanganyika, 26.
12. HARGROVE, U.S., HANSON, R.E., MARTIN, M.W., BLENKINSOP, T.G., BOWRING, S.A., WALKER, N. & MUNYANYIWA, H. 2003. Tectonic evolution of the Zambnezi orogenic belt: geochronological, structural, and petrological constraints from northern Zimbabwe. Precambrian Research, 123 159-186.
13. HARPUM, J.R. 1970. Summary of the Geology of Tanzania. Geological Survey of Tanzania, Memoir. 1.
14. HEPWORTH, J.V. 1972. The Mozambique orogenic belt and its forehand in northeast Tanzania: a photogeologically-based study. Journal of the Geological Society, London, 128, 461-500.
15. HOFFMAN, P.F. 1991. Did the breakout of Laurentia turn Gondwanaland inside out? Science, 252, 1409-1421.
16. HOLMES, A. 1951. The sequence of pre-Cambrian orogenic belts in south and central Africa. In: SANDFORD, K.S. & BLONDEL, F. (eds) 18th International Geological Congress. London, Part XXIV, Geological Society, London, 254-269.
17. JACOBS, J., THOMAS, R.J. & WEBER, K. 1993. Accretion and indentation tectonics at the southern edge of the Kaapvaal craton during the Kibaran (Grenville) orogeny. Geology, 21, 203-206.
18. JACOBS, J., FANNING, C.M., HENJES-KUNST, F., OLESCH, M. & PAECH, H.-J. 1998. Continuation of the Mozambique belt into East Antarctica: Grenville age metamorphism and polyphase Pan-African high grade events in central Dronning Maud Land. Journal of Geology. 106, 385-406.
19. JAHN, B.-M. & ZHANG, Z.-Q. 1984. Radiometric ages (Rb-Sr, Sm-Nd, U-Pb) and REE geochemistry of Archaean granulite gneisses from Eastern Hebei Province, China. In: KRÖNER, A., HANSEN, G.N. & GOODWIN, A.M. (eds) Archaean Geochemistry. Springer, Berlin, 204-234.
20. KEY, R.M., CHARSLEY, T.J., HACKMAN, B.D., WILKINSON, A.F. & RUNDLE, C.C. 1989. Superimposed Upper Proterozoic collision-controlled orogenies in the Mozambique orogenic belt of Kenya. Precambrian Research, 44, 197-225.
21. KRÖNER, A. 1980. Pan-African crustal evolution. Episodes, 2, 3-8.
22. KRÖNER, A. 2001. The Mozambique belt of East Africa and Madagascar: significance of zircon and Nd model ages for Rodinia and Gondwana supercontinent formation and dispersal. South African Journal of Geology, 105, 151-167.
23. KRÖNER, A., JAECKEL, P. & WILLIAMS, I.S. 1994. Pb-loss patterns in zircons from a high-grade metamorphic terrain as revealed by different dating methods: U-Pb and Pb-Pb ages for igneous and metamorphic zircons from northern Sri Lanka. Precambrian Research, 66, 151-181.
24. KRÖNER, A., SACCHI, R., JAECKEL, P. & COSTA, M. 1997. Kibaran magmatism and Pan-African granulite metamorphism in northern Mozambique: single zircon ages and regional implications. Journal of African Earth Sciences, 25, 467-484.
25. KRÖNER, A., DIRKS, P.H.G.M. & JAMAL, D.L. 2000a. Kibaran and Pan-African zircon ages for granitoid rocks in northwestern Mozambique. In: EDITOR, A. (ed.) Abstracts Volume, Geoluanda 2000, Luanda, Angola. Publisher, Town, 2000, 24-25.
26. KRÖNER, A., HEGNER, E., COLLINS, A.S., WINDLEY, B.F., BREWER, T.S., RAZAKAMANANA, T. & PIDGEON, R.T. 2000b. Age and magmatic history of the Antananarivo Block, central madagascar, as derived from zircon geochronology and Nd isotopic systematics. American Journal of Science 300, 251-288.
27. KRÖNER, A., COLLINS, A.S., HEGNER, E., WILLNER, A.P., MUHONGO, S. & KEHELPANNALA, K.V.W. 2001a. The East African Oregon: new zircon and Nd ages and implications for Rodinia and Gondwana supercontinent formation and dispersal. Gondwana Research, 4, 179-181.
28. KRÖNER, A., WILLNER, A.P., HEGNER, E., JAECKEL, P. & NEMCHIN, A. 2001b. Single zircon ages, PT evolution and Nd isotopic systematics of high-grade gneisses in southern Malawi and their bearing on the extent of the Mozambique belt into southern Africa. Precambrian Research, 109, 257-291.
29. MABOKO, M.A.H. 1995. Neodymium isotopic constraints on the protolith ages of rocks involved in Pan-African tectonism in the Mozambique belt of Tanzania. Journal of the Geological Society, London, 152, 911-916.
30. MABOKO, M.A.H. 2000. Nd and Sr isotopic investigation of the Archean-Proterozoic boundary in north eastern Tanzania: constraints on the nature of Neoproterozoic tectonics in the Mozambique belt. Precambrian Research, 102, 87-98.
31. MABOKO, M.A.H. & NAKAMURA, E. 1995. Sm-Nd garnet ages from the Uluguru granulite complex of eastern Tanzania: further evidence for post-metamorphic slow cooling in the Mozambique belt. Precambrian Research, 74, 195-202.
32. MABOKO, M.A.H., BOLERIJK, N.A.M., PRIEM, H.N.A. & VERDURMEN, E.A.T. 1985. Zircon U-Pb and biotite Rb-Sr dating of the Wami River granulites, eastern granulites, Tanzania: evidence for approximately 715 Ma old granulite facies metamorphism and final Pan-African cooling approximately 475 Ma ago. Precambrian Research, 30, 361-378.
33. MALISA, E. & MUHONGO, S. 1990. Tectonic setting of gemstone mineralization in the Proterozoic metamorphic terrane of the Mozambique Belt in Tanzania. Precambrian Research, 46, 167-179.
34. MCWILLIAMS, M.O. 1981. Palaeomagnetism and Precambrian tectonic evolution of Gondwana. In: KRÖNER, A. (ed.) Precambrian Plate Tectonics. Elsevier, Amsterdam, 649-687.
35. MÖLLER, A., MEZGER, K. & SCHENK, V. 1998. Crustal age domains and the evolution of the continental crust in the Mozambique belt of Tanzania: combined Sm-Nd, Rb-Sr, and Pb-Pb isotopic evidence. Journal of Petrology, 39, 749-983.
36. MÖLLER, A., MEZGER, K. & SCHENK, V. 2000. U-Pb dating of metamorphic minerals: Pan-African metamorphism and prolonged slow cooling of high pressure granulites in Tanzania, East Africa. Precambrian Research, 104, 123-146.
37. MOORBATH, S., WHITEHOUSE, M.J. & KAMBER, B.S. 1997. Extreme Nd-isotope heterogeneity in the early Archaean-fact or fiction? Case histories from northern Canada and West Greenland. Chemical Geology, 135, 213-231.
38. MRUMA, A.H. 1995. Stratigraphy and palaeodepositional environment of the Palaeoproterozoic volcano-sedimentary Konse Group in Tanzania. Journal of African Earth Sciences, 21, 281-290.
39. MUHONGO, S. 1989. Tectonic setting of the Proterozoic metamorphic terrains in eastern Tanzania and their bearing on the evolution of the Mozambique belt. UNESCO/IGCP Project 255, Newsletter/Bulletin, 2, 43-50.
40. MUHONGO, S. 1991a. The Mozambique belt: a polyorogenic mobile belt. UNESCO Newsletter/Bulletin, 8, 5-14.
41. MUHONGO, S. 1991b. Deformation characteristics in the Eastern Granulite Complexes of Tanzania. In: ROCCI, G. & DESCHAMPS, M. (eds) Recent Data in African Earth Sciences. CIFEG (Centre International pour la Formation et les Exchanges Géologiques) Occasional Publication, 1990/22, 121-125.
42. MUHONGO, S. 1994. Neoproterozoic collision tectonics in the Mozambique belt of East Africa: evidence from the Uluguru Mountains, Tanzania. Journal of African Earth Sciences, 19, 153-168.
43. MUHONGO, S. 1999. Anatomy of the Mozambique belt of eastern and southern Africa: evidence from Tanzania, Gondwana Research, 2, 369-375.
44. MUHONGO, S. & LENOIR, J.-L. 1994. Pan-African granulite-facies metamorphism in the Mozambique belt of Tanzania: U-Pb zircon geochronology. Journal of the Geological Society, London, 151, 343-347.
45. MUHONGO, S., SCHANDELMEIER, H. & KRAMERS, J.D. 1987. Rb/Sr whole-rock dating of the granulite complex of the Uluguru Moiuntains, Tanzania, and some speculations on the age of the Mozambique orogeny. In: MATHEIS, G. & SCHANDELMEIER, H. (eds) Current Research in African Earth Sciences. Balkema, Rotterdam, 49-54.
46. MUHONGO, S., KRÖNER, A. & NEMCHIN, A.A. 2001. Single zircon evaporation and SHRIMP ages for granulite-facies rocks in the Mozambique belt of Tanzania. Journal of Geology, 109, 171-189.
47. MÜLLER, M.A., KRÖNER, A., BAUMGARTNER, L.P., DIRKS, P.H.G.M. & JELSMA, H.A. 2000. Evolution of Neoproterozoic high-grade rocks in the Mavuradonha Mountains, Zambezi belt, northeast Zimbabwe. Journal of African Earth Sciences, 30(4A)), 64-65.
48. O'CONNOR, J.T. 1965. A Classification for Quartz-rich Igneous Rocks Based on Feldspar Ratio, US Geological Survey, Professional Papers, 525B, 79-84.
49. PINNA, P. 1995. On the dual nature of the Mozambique Belt, Mozambique to Kenya. Journal of African Earth Science, 21, 477-480.
50. PINNA, P., JOURDE, G., CALVEZ, J.Y., MROZ, J.P. & MARQUES, J.M. 1993. The Mozambique belt in northern Mozambique: Neoproterozoic (1100-850 Ma) crustal growth and tectonogenesis, and superimposed Pan-African (800-550 Ma) tectonism. Precambrian Research, 62, 1-59.
51. POWELL, C.MCA., JONES, D.L., PISAREVSKY, S. & WINGATE, M.T.D. 2001. Palaeomagnetic constraints on the position of the Kalahari craton in Rodinia. Precambrian Research, 110, 33-46.
52. PRIEM, H.N.A., BOELRIJK, N.A.I.M., HEBEDA, E.H., VERDURMEN, E.A.TH., VERSCHURE, R.H., OEN, I.S. & WESTRA, L. 1979. Isotopic age determinations on granitic and gneissic rocks from the Ubendian-Usagaran System in southern Tanzania. Precambrian Research, 9, 227-239.
53. QUENNELL, A.M., MCKINLAY, A.C.M. & AITKEN, W.G. 1956. Summary of the Geology of Tanganyika. Geological Survey of Tanganyika, Memoir, 1.
54. ROSING, M.T. 1990. The theoretical effect of metasomatism on the Sm-Nd systems. Geochimica et Cosmochimica Acta, 54, 1337-1341.
55. SACCHI, R., MARQUES, J., COSTA, M. & CASATI, C. 1984. Kibaran events in the southernmost Mozambique belt. Precambrian Research, 25, 141-159.
56. SANTOSH, M., KAGAMI, H., YOSHIDA, M. & NANDA-KUMAR, V. 1992. Pan-African charnockite formation in East Gondwana: geochronologic (Sm-Nd and Rb-Sr) and petrogenetic constraints. Bulletin of the Indian Geological Association, 25, 1-10.
57. SHACKLETON, R.M. 1986. Precambrian collision tectonics in Africa. In. COWARD, M.P. & RIES, A.C. (eds) Collision Tectonics, Blackwell, Oxford, 329-349.
58. SHACKLETON, R.M. 1993. Tectonics of the lower crust: a view from the Usambara Mountains, NE Tanzania. Journal of Structural Geology, 15, 663-671.
59. SHACKLETON, R.M. 1996. The final collision zone between East and West Gondwana: where is it? Journal of African Earth Scieince, 23, 271-287.
60. SPOONER, C.M., HEPWORTH, J.V. & FAIRBAIRN, H.W. 1970. Whole rock Rb-Sr isotope investigation of some East African granulites. Geological Magazine, 107, 511-521.
61. STERN, R.J. 1994. Arc assembly and continental collision in the Neoproterozoic East African Orogen: implications for the consolidation of Gondwanaland. Annual Review of Earth and Planetary Sciences, 22, 319-354.
62. STERN, R.J. 2002. Crustal evolution in the East African Orogen: a neodymium isotopic perspective. Journal of African Earth Sciences, 34, 109-117.
63. TAYLOR, S.R. & MCLENNAN, S.M. 1985. The Continental Crust: its Composition and Evolution. Blackwell Science, Oxford.
64. UNRUG, R. 1997. Rodinia to Gondwana: the geodynamic map of Gondwana supercontinent assembly. GSA Taday, 7. 1-6.
65. WHITEHOUSE, M.J. 1989. Sm-Nd evidence for diachronous crustal accretion in the Lewisian complex of northwest Scotland. Tectonophysics, 161, 245-256.