Microfabric analyses applied to the Witwatersrand gold- and uranium-bearing conglomerates: Constraints on the provenance and post-depositional modification of rock and ore components

Mineralium Deposita

Volumn 37, Issue 5, 2002, Pages 433-451

  Vollbrecht, Axel ^a   Oberthür, Thomas ^b   Ruedrich, Joerg ^a   Weber, Klaus ^a  

^a UNIVERSITY OF GÖTTINGEN   (Germany)

^b FEDERAL INSTITUTE FOR GEOSCIENCES AND NATURAL RESOURCES BGR   (Germany)

Author keywords

Gold; Microfabrics; Paleoplacer; South Africa; Witwatersrand

Indexed keywords

CATHODOLUMINESCENCE; GOLD; METALLOGENESIS; PLACER DEPOSIT; PROVENANCE; QUARTZ; URANIUM;

SOUTH AFRICA;

EID: 0036293831     PISSN: 00264598     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00126-001-0236-5     Document Type: Article

References (69)

1. Zircon ion-microprobe studies bearing on the age and evolution of the Witwatersrand Triad
2. Hydrothermal gold mineralization in the Witwatersrand basin
3. Diagenetic reactions in sandstones
4. FLINCOR, a microcomputer program for the reduction and investigation of fluid inclusion data
5. Cation site occupancy in chlorites and illites as a function of temperature
6. The gold-uranium ores of the Witwatersrand
7. A review of uranium-bearing minerals in the Dominion and Witwatersrand placers
8. The mineralogy of the Witwatersrand reefs
9. Metamorphism of Witwatersrand gold
10. Detrital origin of hydrothermal Witwatersrand gold - A review
11. Chlorite thermometry in the Witwatersrand Basin: Constraints on the Paleoproterozoic geotherm in the Kaapvaal Craton, South Africa
12. Witwatersrand gold particle chemistry matches model of metamorphosed, hydrothermally altered placer deposits
13. A case study of post-depositional alteration of the Witwatersrand Basal Reef gold placer
14. Systematics of fluid inclusions in diagenetic minerals. Short course 31
15. 'Cathodoluminescene of quartz'; research carried out recently at the Mining Academy at Freiberg, Saxony, Germany
16. Hydrothermal origin of the Rand gold deposits
17. Archean granitic sources for the detrital mineral assemblage in Witwatersrand conglomerates
18. The mineralogy and geochemistry of Witwatersrand pyrite, gold, uranium and carbonaceous matter
19. Re-evaluation of gold source in Witwatersrand ores
20. Comment on 'oxygen isotopic study of the nature and provenance of large quartz and chert clasts in gold-bearing conglomerates' and stable isotope compositions of quartz pebbles and their fluid inclusions as tracers of sediment provenance: Implications for gold-uranium-bearing quartz pebble conglomerates
21. The Early Precambrian atmosphere and hydrosphere: Thermodynamic constraints from mineral deposits
22. The occurrence and origin of gold and radioactive minerals in the Witwatersrand system, the Dominion Reef, the Ventersdorp contact reef and the black reef
23. Dynamic recrystallization of quartz under greenschist conditions
24. Cathodoluminescene microscopy as a tool for provenance studies of sandstones
25. Detrital pyrite in the Witwatersrand gold fields of South Africa: Evidence from truncated growth banding
26. Radiation-damage rims in quartz from uranium-bearing sandstones
27. Cobalt, nickel and gold in pyrite from primary gold deposits and Witwatersrand reefs
28. A sedimentological synthesis of placer gold, uranium and pyrite concentrations in Proterozoic Witwatersrand sediments
29. Cathodoluminescene applied to uranium exploration
30. Zementstratigraphie und Kathodolumineszenz des Korallenoolith (Malm) im Südniedersächsischen Bergland
31. Delineation of different mineral facies in the carbon leader reef placer, Carletonville goldfield, and their relation to sedimentology and gold distribution
32. Mineralogy and geochemistry of phosphate minerals and brannerite from the Proterozoic carbon leader reef gold and uranium deposit, Witwatersrand, South Africa
33. Mineralogical and geochemical investigation of ore components from Witwatersrand-type deposits: Their genetic and exploration significance
34. Silver and mercury in gold particles from the Proterozoic Witwatersrand Placer deposits of South Africa: Metallogenetic and geochemical implications
35. Metamorphism of the Witwatersrand gold fields: Conditions during peak metamorphism
36. Metamorphism of the Witwatersrand gold fields
37. Witwatersrand gold fields: Geology, genesis, and exploration
38. The Witwatersrand goldfields: Part II. An origin for Witwatersrand gold during metamorphism and associated alteration
39. Problems with the placer model for Witwatersrand gold
40. Neue Beobachtungen an Erzen des Witwatersrandes in Südafrika und ihre genetische Bedeutung
41. New observations on the ores of the Witwatersrand in South Africa and their genetic significance
42. The nature of the Witwatersrand hinterland: Conjectures to the source area problem
43. The Witwatersrand Basin, South Africa: Geological framework and mineralization processes
44. Ages of altered granites adjoining the Witwatersrand Basin with implications for the origin of gold and uranium
45. Basal Proterozoic units as fossil time markers and their use in uranium prospection
46. Fluid inclusions
47. Pyritic paleoplacer gold and uranium deposits
48. Structures in pyrite from the Basal reef in the orange free state goldfield
49. Untersuchungen zur Metallogenese im süwestlichen Witwatersrand-Becken (Oranje Freistaat-Gold-feld, Südafrika)
50. Drucklösungserscheinungen an Geröllpyriten aus den Witwatersrand-Konglomeraten. Ein Beitrag zur Frage des diagenetischen Verhaltens von Sulfiden
51. Detrital uraninite and pyrite - are they evidence for a reducing atmosphere?
52. Causes of quartz cathodoluminescene colors
53. Stratigraphic control of chemistry and mineralogy in metamorphosed Witwatersrand quartzites
54. Distribution of uranium in early Precambrian gold-bearing conglomerates of the Kaapvaal Craton, South Africa: A review of a case study for the application of fission track micromapping of uranium
55. A note on the kaolinite-pyrophyllite equilibrium
56. The hydraulic equivalence of grains of quartz and heavier minerals and implications for the study of placers
57. Stable isotope compositions of quartz pebbles and their fluid inclusions as tracers of sediment provenance: Implications for gold- and uranium-bearing quartz pebble conglomerates
58. Some thoughts on the origin and processes responsible for the concentration of gold in the early Precambrian of South Africa
59. Gefügekundliche Untersuchungen an Geröllen der Witwatersrand-Lagerstätte in Südafrika
60. A petrogenetic grid for metamorphosed aluminous Witwatersrand shales
61. A six-component chlorite solid solution model and the conditions of chlorite formation in hydrothermal and geothermal systems
62. Cathodoluminescene and trace element zoning in quartz phenocrysts and xenocrysts
63. 206Pb in hydrothermal sulphide minerals and bitumen from the Ventersdorp Contact Reef, South Africa
64. Cathodoluminescene of quartz and its application to sandstone petrology