Ion probe dating of the Achab Gneiss, a young basement to the Central Bushmanland Ore District?

Journal of African Earth Sciences

Volumn 47, Issue 2, 2007, Pages 112-116

  Cornell, David H ^a   Pettersson, Åsa ^a  

^a UNIVERSITY OF GOTHENBURG   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

ARCHEAN; DATING METHOD; DEFORMATION MECHANISM; EMPLACEMENT; GNEISS; MEGACRYST; METAMORPHISM; PROTEROZOIC; SOURCE ROCK; ZIRCON;

AFRICA; NAMAQUA-NATAL BELT; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

EID: 33847010569     PISSN: 08995362     EISSN: 1464343X     Source Type: Journal    
DOI: 10.1016/j.jafrearsci.2006.11.002     Document Type: Article

References (12)

1. Bailie, R.H., Armstrong, R.A., Reid, D.L., 2005. Geochronology of the Bushmanland Group, Aggeneys, Namaqua Province, South Africa. In: Abstract, GEO2005 Conference, Durban, South Africa 4th-7th July 2005, pp. 146-147.
2. Clifford T.N., Barton E.S., Stern R.A., and Duchesne J.C. U-Pb zircon calendar for Namaquan (Grenville) crustal events in the granulite-facies terrane of the O'okiep Copper district of South Africa. Journal of Petrology 45 (2004) 669-691
3. Moore, J.M., 1977. The Geology of Namiesberg, northern Cape. Precambrian Research Unit, University of Cape Town, Bulletin 20, 73pp.
4. Pettersson, Å., Cornell, D.H., Yuhara, M., 2004. Evidence of an Archean component in the Bushmanland Terrane - Sm-Nd whole rock model ages and U-Pb ion probe zircon dating. In: Geoscience Africa, Johannesburg, July 2004, Abstracts v. 2, p. 515.
5. Raith J.G., Cornell D.H., Frimmel H.E., and de Beer C.H. New insights into the geology of the Namaqua tectonic province, South Africa, from ion probe dating of detrital and metamorphic zircon. Journal of Geology 111 (2003) 347-366
6. Reid D.L., Smith C.B., Watkeys M.K., Welke H.J., and Betton P.J. Whole-rock radiometric age patterns in the Aggeneys-Gamsberg Ore District, Central Bushmanland, South Africa. South African Journal of Geology 100 (1997) 11-22
7. Robb L.J., Armstrong R.A., and Waters D.J. Nature and duration of mid-crustal granulite facies metamorphism and crustal growth: evidence from single zircon U-Pb geochronology in Namaqualand, South Africa. Journal of Petrology 40 (1999) 1747-1770
8. Ryan P.J., Lawrence A.L., Lipson R.D., Moore J.M., Paterson A., Stedman D.P., and van Zyl D. The Aggeneys base metal sulphide deposits, Namqauland District. In: Annhaeusser C.B., and Maske S. (Eds). Mineral Deposits of South Africa vol. 2 (1986), Geological Scoiety of South Africa, Johannesburg 1447-1473
9. Strydom D., Colliston W.P., Praekelt H.E., Schoch A.E., van Aswegen G., Pretorius J.J., Beukes G.J., Cilliers B., Watkeys M.K., and Botes F.J. The Tectonic Units of Parts of Namaqualand, Bushmanland and southern South-west Africa/Namibia. 1:250000 map, Bushmanland Project (1987), University Orange Free State, Bloemfontein
10. Thomas R.J., Agenbacht A.L.D., Cornell D.H., and Moore J.M. The Kibaran of Southern Africa: tectonic evolution and metallogeny. Ore Geology Reviews 9 (1994) 131-160
11. Watkeys M.K. The Achab Gneiss: a "floor" in Bushmanland or a flaw in Namaqualand?. Transactions Geological Society of South Africa 89 (1986) 103-116
12. Whitehouse M.J., Kamber B.S., and Moorbath S. Age significance of U-Th-Pb zircon data from early Archaean rocks of West Greenland; a reassessment based on combined ion-microprobe and imaging studies. Chemical Geology 160 (1999) 201-224