Red bed-hosted oncolitic manganese ore of the Paleoproterozoic Soutpansberg group, Bronkhorstfontein, South Africa

Economic Geology

Volumn 97, Issue 6, 2002, Pages 1151-1166

  Gutzmer, J ^a   Schaefer, M O ^a   Beukes, N J ^a  

^a UNIVERSITY OF JOHANNESBURG   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

MINERALIZATION;

GEOLOGY; MINERALOGY; ORES; PRECIPITATION (METEOROLOGY); RARE EARTH ELEMENTS; SEDIMENTS;

MANGANESE DEPOSITS;

CENOZOIC; GEOCHEMISTRY; HOST ROCK; MANGANESE DEPOSIT; MESOZOIC; MINERALOGY; PETROLOGY;

SOUTH AFRICA;

EID: 0036766371     PISSN: 03610128     EISSN: None     Source Type: Journal    
DOI: 10.2113/gsecongeo.97.6.1151     Document Type: Article

References (52)

1. 4 in the system Mn-Si-O at 1 atm in air: Contributions to Mineralogy and Petrology, v. 71, p. 393-399.
2. Astrup, J., and Tsikos, H., 1998, Manganese, in Wilson, M.G.C., and Anhaeusser, C.R., eds., The mineral resources of South Africa: Pretoria, Council for Geoscience, p. 450-460.
3. Barton, J.M., Jr., and Pretorius, W., 1998, The lower unconformity bounded sequence of the Soutpansberg Group and its correlatives-remnants of a Proterozoic large igneous province: South African Journal of Geology, v. 102, p. 335-339.
4. Bau, M., 1996, Controls on the fractionation of isovalent trace elements in magmatic and aqueous systems: Evidence from Y/Ho, Zr/Hf, and Ianthanide tetrade effect: Contributions to Mineralogy and Petrology, v. 123, p. 323-333.
5. Bau, M., Dulski, P., and Moeller, P., 1995, Yttrium and holminum in South Pacific sea water: Vertical distribution and possible fractionation mechanisms: Chemie der Erde, v. 55, p. 1-15.
6. Beukes, N.J., Van Niekerk, H.S., and Gutzmer, J., 1999. Post Gondwana African land surfaces and pedogenetic ferromanganese deposits on the Witwatersrand at the West Wits gold mine: South African Journal of Geology, v. 102, p. 65-82.
7. Beukes, N.J., Dorland, H.C., Gutzmer, J., Nedachi, M., and Ohmoto, H., 2002, Tropical laterites, life on land and atmospheric oxygen levels in the Paleoproterozoic: Geology, v. 30, p. 491-494.
8. Bolton, B.R., and Frakes, L.A., 1985, Geology and genesis of manganese oolite, Chiatura, Georgia, U.S.S.R.: Geological Society of America Bulletin, v. 96, p. 1398-1406.
9. Bolton, B.R., Berents, H.W., and Frakes, L.A., 1990, Groote Eylandt manganese deposit: Australiasian Institute of Mining and Metallurgy Monograph 15, p. 1575-1579.
10. Brockamp, O., 1976, Dissolution and transport of manganese by organic acids and their role in sedimentary Mn ore formation: Sedimentology, v. 23, p. 579-586.
11. Cheney, E.S., Barton, J.M., Jr., and Brandl, G., 1990. Extent and age of the Soutpansberg sequences of southern Africa: South African Journal of Geology, v. 93, p. 664-675.
12. Crerar, D.A., Fischer, A.G., and Plaza, C.L., 1980, Metallogenium and biogenic deposition of manganese from Precambrian to Recent time, in Varentsov, I.M., and Grasselly, G., eds., Geology and geochemistry of manganese: Stuttgart, Schweizerbartsche Verlagsbuchhandlung, v. 3, p. 285-303.
13. Dulski, P., 1992, Determination of minor and trace elements in four Canadian iron-formation standard samples FeR-1, FeR-2, FeR-3, and FeR-4 by INAA and ICP-MS: Geostandards Newsletters, v. 16, p. 325-332.
14. Elderfield, H., 1988, The oceanic chemistry of rare-earth elements: Royal Geological Society [London] Philosophical Transactions, v. A325, p. 105-126.
15. Force, E.R., and Cannon, W.F., 1988, Depositional model for shallow-marine manganese deposits around black shale basins: Economic Geology, v. 83, p. 93-117.
16. Frakes, L.A., and Bolton, B.R., 1984, Origin of manganese giants: Sea level change and anoxic-oxic history: Geology, v. 12, p. 83-86.
17. Frakes, L.A., 1992, Effects of ocean chemistry, sea level, and climate on the formation of primary sedimentary manganese ore deposits: Economic Geology, v. 87, p. 1207-1217.
18. Friedman, G.M., 1961, Distinction between dune, beach, and river sands from their textural characteristics: Journal of Sedimentary Petrology, v. 31, p. 514-529.
19. Füchtbauer, H., 1988, Sedimente und Sedimentgesteine: Stuttgart, Schweizerbart'sche Verlagsbuchhandlung, 1080 p.
20. Gutzmer, J., and Beukes, N.J., 1997a, Mineralogy and mineral chemistry of oxide-facies manganese ores of the Postmasburg manganese field, South Africa: Mineralogical Magazine, v. 61, p. 213-231.
21. Gutzmer, J., 1997b, Karst-hosted fresh-water Paleoproterozoic manganese deposits, Postmasburg, South Africa: Economic Geology, v. 91, p. 1435-1454.
22. Harney, D.M.W., 1993, Evaluation of Mn ore potential on Bronkhorstfontein 42LR: Johannesburg, Anglo American Prospecting Services, unpublished technical report, 14 p.
23. Heckman, D.S., et al., 2001, Molecular evidence for the early colonization of land by fungi and plants: Science, v. 293, p. 1129-1132.
24. Holland, H.D., 1984, The chemical evolution of the atmosphere and oceans: New York, Wiley, 582 p.
25. Inman, D.L., 1952, Measures for describing the size distribution of sediments: Journal of Sedimentary Petrology, v. 22, p. 125-145.
26. Jansen, H., 1975, The Soutpansberg Group (northern Transvaal)-an aulacogen: Geological Society of South Africa Transactions, v. 78, p. 129-136.
27. th, Snowbird, Utah, Proceedings, p. 607-617.
28. Mackie, T.A., 1964, Geological report on the Viking manganese mine, Tolwe, Potgietersrus district: Johannesburg, Rand Mines Ltd., unpublished technical report, 13 p.
29. McLennan, S.M., 1989, Rare earth elements in sedimentary rocks: Influence of provenance and sedimentary processes, in Liplin, B.R., and McKay, G.A., eds., Geochemistry and mineralogy of rare earth elements: Boston, Mineralogical Society of America, Reviews in Mineralogy, v. 21, p. 169-200.
30. Miall, A.D., 1977, A review of the braided-river depositional environment: Earth Science Reviews, v. 13, p. 1-62.
31. Moffett, J.W., 1990. Microbially mediated cerium oxidation in sea water: Nature, v. 345, p. 421-423.
32. Morris, R.C., and Fletcher, A.B., 1987, Increased solubility of quartz following ferrous-ferric iron reactions: Nature, v. 330, p. 558-560.
33. Nealson, K.H., and Stahl, D.A., 1997, Microorganisms and biochemical cycles: What can we learn from layered microbial communities?: Reviews in Mineralogy, v. 35, p. 5-34.
34. Nicholson, K., 1992, Contrasting mineralogical-geochemical signatures of manganese oxides: Guides to metallogenesis: Economic Geology, v. 87, p. 1253-1264.
35. Noffke, N., Gerdes, G., Klenke, T., and Krumbein, W.E., 2001, Microbially induced sedimentary structures-a new category within the classification of primary sedimentary structures: Journal of Sedimentary Research, v. 71, p. 649-656.
36. Ohmoto, H., 1997, When did the earth's atmosphere become oxic: Geochemical News, v. 93, p. 12-27.
37. Ostwald, J., 1981, Evidence for a biogeochemical origin of the Groote Eyland manganese ores: Economic Geology, v. 76, p. 556-567.
38. Ostwald, J., 1990, The biochemical origin of the Groote Eylandt manganese oxide pisoliths and ooliths, northern Australia: Ore Geology Reviews, v. 5, p. 469-490.
39. Ostwald, J., and Bolton, B.R., 1990, Diagenetic braunite in sedimentary rocks of the Proterozoic manganese group, Western Australia: Ore Geology Reviews, v. 5, p. 315-323.
40. Peryt, T.M., 1983, Classification of coated grains, in Peryt, T.M., ed., Coated grains: Berlin, Springer Verlag, p. 7-8.
41. nd ed.: Oxford, Blackwell Science, 615 p.
42. Roy, S., 1992, Environments and processes of manganese deposition: ECONOMIC GEOLOGY, v. 87, p. 1218-1236.
43. Schaefer, M.O., 1998, Stratiform manganese deposits in mid-Proterozoic red bed successions of southern Africa: Technical University Bergakademie Freiberg, unpublished M.Sc. thesis, 169 p.
44. Schaefer, M.O., Gutzmer, J., and Beukes, N.J., 1999, Stratiform manganesemineralisation in the Palapye Group, east-central Botswana: Biennial SGA meeting, 5th, and quadrennial IAGOD meeting, 10th, London, Proceedings, p. 1237-1240.
45. Schaefer, M.O., Gutzmer, J., and Beukes, N.J., 2001, Late Paleoproterozoic Mn-rich oncoids: Earliest evidence for microbially-mediated Mn precipitation: Geology, v. 29, p. 835-838.
46. Seilacher, A., 1982, Distinctive features of sandy tempestites, in Einsele, G., and Seilacher, A., eds., Cyclic and event stratification: Berlin, Springer-Verlag, p. 333-349.
47. Sokolova-Dubinina, G.A., and Deryugina, Z.P., 1966, The role of microorganisms in the formation of oxidised ores in the Chiatura manganese deposit: Microbiology, v. 35, p. 293-298.
48. Van Houten, F.B., and Arthur, M.A., 1989, Temporal patterns among Phanerozoic oolitic ironstones and oceanic anoxia: Royal Geological Society Special Publication 46, p. 33-49.
49. Van Niekerk, H.S., Beukes, N.J., and Gutzmer, J., 2000, Post-Gondwana pedogenic ferromanganese deposits, ancient soil profiles, African land surfaces and palaeoclimatic change on the Highveld of South Africa: Journal of African Earth Sciences, v. 29, p. 761-781.
50. Van Reenen, D.D., Barton, J.M., Jr., Roering, C., Smit, C.A., and Van Schalkwyk, J.F., 1987, Deep crustal response to continental collision: The Limpopo belt of southern Africa: Geology, v. 15, p. 11-14.
51. Verrecchia, E.P., Freytet, P., Julien, J., and Baltzer, F., 1997, The unusual hydrodynamic behaviour of freshwater oncolites: Sedimentary Geology, v. 113, p. 225-243.
52. Visser, H.N., (1953), The geology of the Koedoesrand area, northern Transvaal. An explanation of sheets 35 and 36 (Koedoesrand): Pretoria, Geological Survey of South Africa, Department of Mines, 91 p.