Shrimp U-Pb zircon geochronology of the Hurungwe granite northwest Zimbabwe: Age constraints on the timing of the Magondi orogeny and implications for the correlation between the Kheis and Magondi Belts

South African Journal of Geology

Volumn 104, Issue 1, 2001, Pages 39-46

  McCourt, S ^a   Hilliard, P ^a   Armstrong, R A ^b   Munyanyiwa, H ^c  

^a UNIVERSITY OF KWAZULU NATAL   (South Africa)

^b AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

^c UNIVERSITY OF ZIMBABWE   (Zimbabwe)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0038726718     PISSN: 10120750     EISSN: None     Source Type: Journal    
DOI: 10.2113/104.1.39     Document Type: Article

References (33)

1. st International Geological Congress, Rio de Janeiro, Brazil (CD-ROM).
2. Carney, J. N., Aldiss, D.T. and Lock, N.P. (1994). The geology of Botswana, Geological Survey Department, Republic of Botswana. Bulletin, 37, 113pp
3. 39Ar analysis. In: Geochronology Time Scales and Global Stratigraphic Correlation, SEPM Special Publication, 54, 3-21.
4. Clifford, T.N., Rex, D.C. and Snelling, N.J. (1967). Radiometric data for the Hurungwe and Mwami granites of Rhodesia. Earth and Planetary Science Letters, 2, 5-12.
5. Cornell, D.H., Walraven, F. and Armstrong, R.A. (1998). Geochronology of the Hartley Basalt formation. Journal of African Earth Science, 26, 5-27.
6. Hartnady, C.J.H., Joubert, P. and Stowe, C.W. (1985).Proterozoic crustal evolution in south western Africa. Episodes, 8, 236-245
7. Harper, G. (1973). Metamorphism in the southern Urungwe District, northwestern Rhodesia. In: Lister, L.A. (Ed.) Symposium on Granites, Gneisses and Related Rocks. Special Publication of the Geological Society of South Africa, 3, 127-130.
8. Hilliard, P. (1999). Structural evolution and tectonostratigraphy of the Kheis Orogen and its relationship to the south-western margin of the Kaapvaal Craton. PhD thesis (unpublished), University of Durban-Westville, South Africa, 227pp.
9. Höhndorf, A. and Vetter, U. (1999). The Sanyati ore deposits in Zimbabwe: Pb-isotopic investigation of sulfide and oxide ores. Zeitschrift für Angewandte Geologie, 45, 11-13.
10. Kirkpatrick, I.M. (1976). The geology of the country around Tengwe, Lomagundi district. Rhodesia Geological Survey, Bulletin, 75, 176pp.
11. Leyshon, P.R. (1969). The geology of the country around the Copper Queen. Rhodesia Geological Survey Bulletin, 66, 174pp.
12. Leyshon, P.R. and Tennick, F.P. (1988). The Proterozoic Magondi Mobile Belt in Zimbabwe - A review. South African Journal of Geology, 91, 114-131.
13. Loney, P.E. (1969). The geology of the Kariba district Rhodesia, with special reference to geochronology and amphibolite geochemistry. PhD thesis (unpublished), Leeds University, U.K., 110pp.
14. Ludwig, K.R. (1998). On the treatment of concordant uranium-lead ages. Geochimica et Cosmochimica Acta, 62, 665-676.
15. Ludwig, K.R. (2000a). SQUID 1.00, A User's Manual. Berkeley Geochronology Center Special Publication 2, Berkeley, California, U.S.A., 17 pp.
16. ®. Berkeley Geochronology Center Special Publication, 1a, Berkeley, California, U.S.A. 54pp.
17. Mapeo, R.B.M., Armstrong, R.A., and Kampunzu, A.B. (in press). SHRIMP U-Pb geochronology of gneisses from the Gweta borehole, NE Botswana: implications for the Palaeoproterozoic Magondi Belt in southern Africa. Geological Magazine, 138.
18. Master, S. (1991). Stratigraphy, tectonic setting and mineralisation of the Early Proterozoic Magondi Supergroup, Zimbabwe: a review. Economic Geology Research Unit, Information Circular, 238. University of the Witwatersrand, Johannesburg, South Africa. 75pp.
19. Master, S. (1994). Geodynamic evolution and correlation of the Magondi Belt (Zimbabwe): implications for the Palaeoproterozoic history of Botswana. Botswana Journal of Earth Science, 2, 25-32.
20. Master, S., Robb, L.J., Armstrong, R.A. and Rainaud, C. (2000). New age constraints on Proterozoic orogenic events in Central and Southern Africa. Abstract, 31 International Geological Congress, Rio de Janeiro, Brazil (CD-ROM).
21. Munyanyiwa, H. and Maaskant, P. (1998). Meta-morphism of the Palaeoproterozoic Magondi mobile belt north of Karoi, Zimbabwe. Journal of African Earth Science, 27, 223-240.
22. Munyanyiwa, H., Kröner, A. and Jaeckel, P. (1995). U-Pb and Pb-Pb single zircon ages for the Magondi mobile belt, northwest Zimbabwe. South African Journal of Geology, 98, 52-57.
23. Paces, J.B. and Miller, J.D. (1989). Precise U-Pb ages of Duluth Complex and related mafic intrusions, northeastern Minnesota: geochronological insights into physical, petrogenic, paleomagnetic, and tectonomagmatic processes associated with the 1.1Ga Midcontinent rift system. Journal of Geophysical Research, 98B, 13997-14013.
24. Rainaud, C., Armstrong, R.A., Master, S. and Robb, L.J. (1999). A fertile Palaeoproterozoic magmatic arc beneath the Central African Copperbelt. In Stanley, C.J. (Ed), Mineral Deposits: Processes to Processing, Volume 2. Proceedings of the Fifth Biennial SGA Meeting and the Tenth Quadrennial IAGOD Symposium, London A. A. Balkema, Rotterdam, The Netherlands, 1427-1430.
25. 13C-enriched carbonate facies: Geology, radiometric age and geochemical significance. ICOG-9 Abstracts, Chinese Science Bulletin 43 (Supplement). 114.
26. Stacey, J.S. and Kramers, J.D. (1975). Approximation of terrestrial lead isotope evolution by a two-stage model. Earth and Planetary Science Letters, 26, 207-221.
27. Steiger, R.H. and Jäger, E. (1977). Subcommission on geochronology: convention on the use of decay constants in geo- and cosmochronolgy. Earth and Planet Science Letters, 36, 359-362.
28. Stowe, C.W. (1986). Synthesis and interpretation of structures along the north-eastern boundary of the Namaqua Tectonic Province, South Africa. Transactions of the Geological Society of South Africa, 89, 185-198.
29. Stowe, C.W., Hartnady, C.J.H. and Joubert, P. (1984). Proterozoic Tectonic Provinces of southern Africa. Precambrian Research, 25, 229-231.
30. Treloar, P.J. (1988). The geological evolution of the Magondi Mobile Belt, Zimbabwe. Precambrian Research. 38, 55-73.
31. Treloar, P.J. and Kramers, J.D. (1989). Metamorphism and geochronology of granulites and migmatitic granulites from the Magondi Mobile Belt, Zimbabwe. Precambrian Research, 45, 277-289.
32. Vail, J.R., Snelling, N.H. and Rex, D.C. (1968). Pre-Katangan geochronology of Zambia and adjacent parts of central Africa. Canadian Journal of Earth Science, 5, 621-628.
33. Williams, I.S. and Claesson, S. (1987). Isotopic evidence for the Precambrian provenance and Caledonian metamorphism of high grade paragneisses from the Sever Nappes, Scandinavian Caledonides. II. Ion microprobe zircon U-Th-Pb. Contributions To Mineralogy and Petrology, 97, 205-217.