U-Pb zircon age for the Umkondo dolerites, eastern Zimbabwe: 1.1 Ga large igneous province in southern Africa-East Antarctica and possible Rodinia correlations

Geology

Volumn 26, Issue 12, 1998, Pages 1143-1146

  Hanson, Richard E ^a   Martin, Mark W ^b   Bowring, Samuel A ^b   Munyanyiwa, Hubert ^c  

^a TEXAS CHRISTIAN UNIVERSITY   (United States)

^b MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^c UNIVERSITY OF ZIMBABWE   (Zimbabwe)

Author keywords

[No Author keywords available]

Indexed keywords

BASALT; BINARY ALLOYS; LEAD ALLOYS; SILICATE MINERALS; URANIUM ALLOYS; ZIRCON;

CONTINENTAL MARGIN; EAST ANTARCTICA; IGNEOUS PROVINCE; LARGE IGNEOUS PROVINCES; RODINIA SUPERCONTINENT; TECTONIC SETTINGS; THERMAL ANOMALIES; UPB ZIRCON AGE (SHRIMP);

GALLIUM;

DOLERITE; PROTEROZOIC; URANIUM-LEAD DATING;

ZIMBABWE;

EID: 84879882978     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(1998)026<1143:UPZAFT>2.3.CO;2     Document Type: Article

References (22)

1. Adams, D. C., and Keller, G. R., 1994, Possible extension of the Midcontinent rift in west Texas and eastern New Mexico: Canadian Journal of Earth Sciences, v. 31, p. 709-720.
2. Allsopp, H. L., Kramers, J. D., Jones, D. L., and Erlank, A. J., 1989, The age of the Umkondo Group, eastern Zimbabwe, and implications for paleomagnetic correlations: South African Journal of Geology, v. 92, p. 11-19.
3. Button, A., 1977, Stratigraphic history of the Middle Proterozoic Umkondo basin in the Chipinga area, southeastern Rhodesia: Johannesburg, University of the Witwatersrand, Economic Geology Research Unit, Information Circular 108,32 p.
4. Cahen, L., Snelling, N. J., Delhal, J., and Vail, J. R., 1984, The geochronology and evolution of Africa: Oxford, Clarendon Press, 512 p.
5. Carney, J. N., Aldiss, D. T., and Lock, N. P., 1994, The geology of Botswana: Botswana Geological Survey Bulletin 37, 113 p.
6. Dalziel, I. W. D., 1991, Pacific margins of Laurentia and East Antarctica-Australia as a conjugate rift pair: Evidence and implications for an Eocambrian supercontinent: Geology, v. 19, p. 598-601.
7. Dalziel, I. W. D., 1992, On the organization of American plates in the Neoproterozoic and the breakout of Laurentia: GSA Today, v. 2, p. 237-241.
8. 39 Ar geochronology of Ferrar Dolerite sills from the Transantarctic Mountains, Antarctica: Implications for the age and origin of the Ferrar magmatic province: Geological Society of America Bulletin, v. 109, p. 533-546.
9. Gose, W. A., Helper, M. A., Connelly, J. N., Hutson, F. E., and Dalziel, I. W. D., 1997, Paleomagnetic data and U-Pb isotopic age determinations from Coats Land, Antarctica: Implications for Late Proterozoic plate reconstructions: Journal of Geophysical Research, v. 102, p. 7887-7902.
10. 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 Maud Land: Precambrian Research, v. 75, p. 231-250.
11. Grunow, A., Hanson, R. E., and Wilson, T. J., 1996, Were aspects of Pan-African deformation linked to lapetus opening?: Geology, v. 24, p. 1063-1066.
12. Hargraves, R. B., Hattingh, P. J., and Onstott, T. C., 1994, Paleomagnetic results from the Timbavati Gabbros in the Kruger National Park, South Africa: South African Journal of Geology, v. 97, p. 114-118.
13. Heaman, L. M., and Grotzinger, J. P., 1992, 1.08 Ga diabase sills in the Pahrump Group, California: Implications for development of the Cordilleran miogeocline: Geology, v. 20, p. 637-640.
14. Huffman, P. F., 1991, Did the breakout of Laurentia turn Gondwanaland inside-out?: Science, v. 252, p. 1409-1412.
15. Huffman, P. F., 1996, No SWEAT: Pan-African Damara orogen (Namibia) as an unstable triple point, with implications for Rodinia: Geological Society of America Abstracts with Programs, v. 28, no. 7, p. A60-61.
16. Jacobs, J., Thomas, R. J., and Weber, K., 1993, Accretion and indentation tectonics at the southern edge of the Kaapvaal craton during the Kibaran (Grenville) orogeny: Geology, v. 21, p. 203-206.
17. Jones, D. L., and McElhinny, M. W., 1966, Paleomagnetic correlations of basic intrusions in the Precambrian of southern Africa: Journal of Geophysical Research, v. 71, p. 543-552.
18. Keller, G. R., Hills, J. M., Baker, M. R., and Wallin, E. T., 1989, Geophysical and geochronological constraints on the extent and age of mafic intrusions in the basement of west Texas and eastern New Mexico: Geology, v. 17, p. 1049-1052.
19. Marsh, J. S., Hooper, P. R., Rehacek, J., Duncan, R. A., and Duncan, A. R., 1997, Stratigraphy and age of Karoo basalts of Lesotho and implications for correlations within the Karoo igneous province, in Mahoney, J. J., and Coffin, M. F., eds., Large igneous provinces: Continental, oceanic, and planetary flood volcanism: American Geophysical Union Geophysical Monograph 100, p. 247-272.
20. McElhinny, M. W., 1966, The palaeomagnetism of the Umkondo lavas, eastern Southern Rhodesia: Royal Astronomical Society Geophysical Journal, v. 10, p. 375-381.
21. McElhinny, M. W., and Opdyke, N. D., 1964, The paleomagnetism of the Precambrian dolerites of eastern Southern Rhodesia, an example of geologic correlation by rock magnetism: Journal of Geophysical Research, v. 69, p. 2465-2475.
22. Modie, B. N. J., 1996, Depositional environments of the Meso- to Neoproterozoic Ghanzi-Chobe belt, northwest Botswana: Journal of African Earth Sciences, v. 22, p. 255-268.