The Loskop Formation and its relationship to the Bushveld Complex, South Africa

Journal of African Earth Sciences

Volumn 27, Issue 2, 1998, Pages 193-222

  Martini, J E J ^a  

^a Council for Geoscience ^*  (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

BUSHVELD COMPLEX; PROTEROZOIC; RED BED; STRATIGRAPHY;

SOUTH AFRICA;

EID: 0345004011     PISSN: 08995362     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0899-5362(98)00057-8     Document Type: Article

References (54)

1. Atkins, F. B. 1969. Pyroxene of the Bushveld Intrusion. Journal Petrology 10, 222-249.
2. Buchanan, D. L. 1975. The petrography of the Bushveld Complex intersected by horeholes in the Bethal area. Transactions Geological Society South Africa 78, 335-348.
3. Button, A. 1978. Diapiric structures in the Bushveld, northeastern Transvaal. Information Circular Economic Research Unit University Witwatersrand 123, 1-6.
4. Cawthorn, R. G., Meyer, P. S. and Kruger, F. J. 1991. Major addition of magma at the pyroxenite marker in the western Bushveld Complex, South Africa. Journal Petrology 32, 739-763.
5. Cheney, E. and Twist, D. 1986. The Waterberg "Basin" - A reappraisal. Transactions Geological Society South Africa 89, 353-360.
6. Cheney, E. and Twist, D. 1991. The conformable emplacement of the Bushveld mafic rocks along a regional unconformity in the Transvaal succession of South Africa. Precambrian Research 52, 115-132.
7. Clubley-Armstrong, A. R. 1977. The geology of the Selonsrivier area, north of Middelburg, Transvaal, with special reference to the structure of the regions southeast of the Dennilton dome. M. Sc. thesis 107p. University of Pretoria, Pretoria, South Africa.
8. Coertze, F. J., Jansen, H. and Walraven, F. 1977. The transition from the Transvaal Sequence to the Waterberg Group. Transactions Geological Society South Africa 80, 145-156.
9. Daly, R. A. 1928. Bushveld Complex of the Transvaal. Bulletin Geological Society America 39, 703-768.
10. Daly, R. A. and Molengraaff, G. A. F. 1924, Structural relations of the Bushveld Igneous Complex, Transvaal. Journal Geology 32, 1-35.
11. De Villiers, J. 1960. The manganese deposits of the Union of South Africa. Geological Survey South Africa, handbook 2, 271p.
12. Eales, H. V., Marsh, J. S., Mitchell, A. A., de Klerk, W. J., Kruger, F. J. and Field, M. 1986. Some geochemical constraints upon models for the crystallization of the upper critical zone-main zone interval, northwestern Bushveld Complex. Mineralogical Magazine 50, 567-582.
13. Eriksson, P. G., Schweitzer, J. K., Bosch, P. J. A., Schreiber, U. M., van Deventer, J. L. and Hatton, C. J. 1993. The Transvaal Sequence: an overview. Journal African Earth Sciences 16, 25-51.
14. Eriksson, P. G., Schreiber, U. M., Reczko, B. F. F. and Snyman, C. P. 1994, Petrography and geochemistry of sandstones interbedded with the Rooiberg felsite group (Transvaal sequence, South Africa): implications for provenance and tectonic setting. Journal Sedimentology Research 164/4, 836-846.
15. Eriksson, P. G., Hatting, P. J. and Alterman, W. 1995. An overview of the geology of the Transvaal Sequence, the Bushveld Complex, South Africa. Mineralium Deposits 30, 98-111.
16. Hall, A. L. 1918. The geology of the country around Belfast. Explanation of the geological map sheet 13 (Belfast), 57p. Geological Survey South Africa.
17. Hall, A. L. 1932. The Bushveld Igneous Complex of the Central Transvaal. Memoir Geological Survey South Africa 28, 560p.
18. Harmer, R. E. and Farrow, D. 1995. An isotopic study on the volcanics of the Rooiberg Group: age implications and a potential tool. Mineralium Deposita 30, 188-195.
19. Harmer, R. E. and Sharpe, M. R. 1985. Field relations and strontium isotope systematics on the marginal rocks of the eastern Bushveld Complex. Economic Geology 80, 813-837.
20. Hartzer, F. J. 1995. Transvaal Supergroup inliers - geology, tectonic development and relationship with the Bushveld Complex, South Africa. Journal African Earth Sciences 21, 521-547.
21. Hatton, C. J. and Schweitzer, J. K. 1995. Evidence for synchronous extrusive and intrusive Bushveld magmatism. Journal African Earth Sciences 21, 579-594.
22. Jansen, H. 1982. The geology of the Waterberg basins in the Transvaal, Republic of South Africa. Memoir Geological Survey South Africa 71, 98p.
23. Kleemann, G. J. 1987. The geochemistry of the roof-rocks of the Bushveld Complex east of Groblersdal. Bulletin Geological Survey South Africa 81, 86p.
24. Kleemann, G. J. and Twist, D. 1989. The compositionally zoned sheet-like granite pluton of the Bushveld Complex: evidence bearing on the nature of A-type magmatism. Journal Petrology 30, 1383-1414.
25. Kynaston, H. 1909. The geology of the country north and north-west of Potgietersrust. Annual report Geological Survey Transvaal 1908, pp11-23.
26. Liebenberg, C. J. 1961. The trace elements of the rocks of the Bushveld Igneous Complex, part II. The different rock types. Publications University Pretoria 13, 65p.
27. Martini, J. E. J. 1988. As - Zn mineralization associated with a Proterozoic geothermal system in the Rooiberg Group. South African Journal Geology 91, 337-345.
28. Martini, J. E. J. 1990. Hydrothermal veins and pre-Waterberg palaeogossans in the Bushveld granite of Blackwood Camp, Transvaal. South African Journal Geology 93, 754-760.
29. Martini, J. E. J. and Vorster, C. J. 1994. The metallogeny of the Pretoria area. Explanation for the metallogenic map, sheet 2528, 1:250.000, 58p. Geological Survey South Africa.
30. Mellor, E. T. 1904. Report on portions of the Pretoria and Middelburg districts between the Elands River Valley and Balmoral. Annual report, Geological Survey South Africa 1903, pp7-27.
31. Moen, H. F. G. 1989. A petrographical study of the Bushveld-type rocks from boreholes on the Moloto geophysical anomaly, northeast of Pretoria. South African Journal Geology 92, 84-94.
32. Rhodes, R. C. 1972. Granite intrusive into Waterberg sediments at Loskop Dam, Transvaal. Annals Geological Survey South Africa 9, 95-96.
33. Schürmann, L.W. 1991. The geochemistry and petrology of the upper critical zone in the Boshoek section of the western Bushveld Complex. M. Sc. thesis 120p. University of Pretoria, Pretoria, South Africa.
34. Schweitzer, J. K. and Hatton, C. J. 1995. Chemical alteration within the volcanic roof rocks of the Bushveld Complex. Economic Geology 90, 2218-2231.
35. Schweitzer, J. K., Hatton, C. J. and de Waal, S. A. 1995. Regional lithochemical stratigraphy of the Rooiberg Group, upper Transvaal Supergroup: a proposed new subdivision. South African Journal Geology 98, 245-255.
36. Schweitzer, J. K., Hatton, C. J. and de Waal, S. A. 1997. Link between the granitic and volcanic rocks of the Bushveld Complex, South Africa. Journal African Earth Sciences 24, 95-104.
37. Sharpe, M. R. 1981. Petrology and geochemistry of pre-Bushveld and Waterberg mafic sills. Transactions Geological Society South Africa 84, 75-83.
38. Sharpe, M. R. 1984. Petrology, classification and chronology of mafic sills intrusions beneath the Eastern Bushveld Complex. Bulletin Geological Survey South Africa 77, 40p.
39. Sharpe, M. R. 1985. Strontium isotope evidence for preserved density stratification in the main zone of the Bushveld Complex, South Africa. Nature 316, 119-126.
40. Sharpe, M. R. and Chadwick, B. 1982. Structures in Transvaal Sequence rocks within and adjacent to the eastern Bushveld Complex. Transactions Geological Society South Africa 85, 29-41.
41. South African Committee for Stratigraphy (SACS) 1980. Stratigraphy of South Africa, Part 1. In: Geological Survey of South Africa Handbook No. 8 (Compiled by Kent, L. E.) 690p. Government Printer, Pretoria.
42. Strauss, C. A. 1954. The geology and mineral deposits of the Potgietersrus tin fields. Geological Survey South Africa, Memoir 46, 204p.
43. Toens, P. D. 1954. Hybrid rocks in the floor of the Bushveld Igneous Complex. Transactions Geological Society South Africa 57, 39-55.
44. Twist, D. 1985. Geochemical Evolution of the Rooiberg silicic lavas in the Loskop Dam area, southeastern Bushveld. Economic Geology 80, 1153-1165.
45. Twist, D. and French, B. M. 1983, Voluminous acid volcanism in the Bushveld Complex: a review of the Rooiberg felsite. Bulletin Volcanology 46, 225-242.
46. Twist, D. and Harmer, R. E. 1987. Geochemistry of contrasting siliceous magmatic suites in the Bushveld Complex: genetic aspect and implications for tectonic discrimination diagrams. Journal Volcanology Geothermal Research 32, 83-98.
47. Vermaak, C. F. and von Gruenewaldt, G. 1986. Introduction to the Bushveld Complex. In: Mineral Deposits of Southern Africa (Edited by Anhaeusser, C. R. and Maske, S.) pp1021-1029. Geological Society of South Africa, Johannesburg.
48. Visser, H. N., Spies, J. J., Fourie, G. P., Viljoen, J. J., Söhnge, A. P. G. and Venter, F. A. 1961. Die geologie van die gebied tussen Middelburg en Cullinan, Transvaal. Explanation for sheet 2528D (Bronkhorstspruit) and sheet 2529C (Witbank), 73p. Geological Survey South Africa.
49. Walraven, F. 1982. Textural, geochemical and genetical aspect of the granophyric rocks of the Bushveld Complex. Ph. D. thesis 251 p. University of the Witwatersrand, Johannesburg, South Africa.
50. Walraven, F. 1987. Geochronological and isotopic studies of Bushveld Complex rocks from the Fairfield borehole at Moloto, northeast of Pretoria. South African Journal Geology 90, 352-360.
51. Watterson, J. I. 1975. Instrumental neutron activation analysis and classification of granites from the Bushveld Igneous Complex. Ph. D. thesis 360p. University of the Witwatersrand, Johannesburg, South Africa.
52. White, D. E., Hutchinson, R. A. and Keit, T. E. C. 1988. The geology and remarkable thermal activity of Norris geyser basin, Yellowstone National Park, Wyoming. United States Geological Survey Professional Paper 1456, 84p.
53. Wilson, J. R., Cawthorn, R. G., Kruger, F. J. and Grundvig, S. 1994. Intrusive origin for the unconformable Upper Zone in the Northern Gap, western Bushveld Complex. South African Journal Geology 97, 462-472.
54. Wolhuter, L. E. 1954. The geology of the country surrounding Loskop Dam, Transvaal. M. Sc. thesis 56p. University of Pretoria, Pretoria, South Africa.