Crystalline placer gold from the Rio Neuquén, Argentina: Implications for the gold budget in placer gold formation

Economic Geology

Volumn 98, Issue 3, 2003, Pages 623-633

  McCready, A J ^a   Parnell, J ^b   Castro, L ^c  

^a UNIVERSITY OF LEOBEN   (Austria)

^b UNIVERSITY OF ABERDEEN   (United Kingdom)

^c UNIVERSIDAD DE BUENOS AIRES   (Argentina)

Author keywords

[No Author keywords available]

Indexed keywords

FLUVIAL SEDIMENTS;

CONTAMINATION; CRYSTALLINE MATERIALS; GOLD; SEDIMENTS;

GEOLOGY;

GEOCHEMISTRY; GOLD; ORE DEPOSIT; PLACER DEPOSIT; SOURCE ROCK;

ARGENTINA;

EID: 0141640783     PISSN: 03610128     EISSN: None     Source Type: Journal    
DOI: 10.2113/gsecongeo.98.3.623     Document Type: Article

References (72)

1. Abramov, V.Yu, Potapov, A.A., Kiryukhin, V.A., Sudarikov, S.M., and Shemyakin, V.N., 1993, The hydrogene component in alluvial gold placers: Geochemistry International, v. 30, p. 117-124.
2. Averill, S.A., and Zimmerman, J.R., 1986, The riddle resolved: The discovery of the Partridge gold zone using glacial overburden at Waddy Lake, Saskatchewan: Canadian Geology Journal of the Canadian Institute of Mining and Metallurgy, v. 1, p. 14-20.
3. Baker, W.E., 1973, The role of humic acids from Tasmanian podzolic soils in mineral degradation and metal mobilization: Geochimica et Cosmochimica Acta, v. 37, p. 269-281.
4. Baker, W.E., 1978, The role of humic acid in the transport of gold: Geochimica et Cosmochimica Acta, v. 42, p. 645-649.
5. Barnicoat, A.C., Henderson, I.H.C., Napier, R.W, Knipe, R.J., and Kenyon, A.K., 1997a, Paragenetic and structural studies of Witwatersrand gold reefs, in Hendry, J., Carey, P., Parnell, J., Ruffell, A., and Worden, R., eds., Geofluids II extended abstract volume: Belfast, Queen's University, p. 428-431.
6. Barnicoat, A.C., Henderson, I.H.C., Knipe, R.J., Yardley, B.W.D., Napier, R.W., Fox, N.P.C., Kenyon, A.K., Muntingh, D.J., Strydom, D., Winkler, K.S., Lawrence, S.R., and Cornford, C., 1997b, Hydrothermal gold mineralization in the Witwatersrand basin: Nature, v. 386, p. 820-824.
7. Bergeron, M., and Harrison, Y., 1989, Le transport chimique de l'or dans les environments de surface: Formation d'un colloide et complexation organique: Canadian Journal of Earth Science, v. 26, p. 2327-2332.
8. Bowdish, F.W., 1983, Fire assaying for gold and silver: Nevada Institute of Technology, International Gold/Silver Conference III, Reno, Nevada, Proceedings.
9. Bowell, R.J., 1992, Supergene gold mineralogy at Ashanti, Ghana: Implications for the supergene behaviour of gold: Mineralogical Magazine, v. 56, p. 545-560.
10. Bowell, R.J., Gize, A.P., and Foster, R.P., 1993, The role of fulvie acid in the supergene migration of gold in tropical rain forest soils: Geochimica et Cosmochimica Acta, v. 57, p. 4179-4190.
11. Bowles, J.F.W., 1988, Mechanical and Chemical modification of alluvial gold: Bulletin and Proceeding of the Australian Institute of Mining and Metallurgy, v. 293, p. 9-11.
12. Bowles, J.F.W., Cameron, N.R., Beddoe-Stephens, B., and Young, R.D., 1984, Alluvial gold, platinum, osmium-iridium, copper-zinc, and copper-tin alloys from Sumatra-their composition and genesis:Transactions Institute of Mining and Metallurgy, Section B, Applied Earth Science, v. 93, p. B823-830.
13. Boyle, R.W., 1979, The geochemistry of gold and its deposits: Geological Survey of Canada Balletin, v. 280, 584 p.
14. Boyĺe, R.W., Alexander, W.M., and Aslin, G.E.M., 1975, Some observations on the solubility of gold: Geological Survey of Canada Paper, v. 75-24, p. 1-6.
15. Callahan, J.E., Miller, J.W., and Craig, J.R., 1992, Mercury pollution in areas mined for gold: South Mountains, Robbins, and High Point areas of North Carolina [abs]: Geological Society of America, SE Section, Abstracts with Programs, v. 24, p. 6.
16. Callahan, J.E., Miller, J.W., and Craig, J.R., 1994, Mercury pollution as a result of gold extraction in North Carolina, USA: Applied Geochemistry, v. 9, p. 235-241
17. th International Sedimentological Congress, Recife, Brasil, August 20-26, Extended Abstracts, v. 1, J7-J10.
18. Cidu, R., Fanani, L., Shand, P., Edmunds, W.M., Dack., L.V.T., and Gijbels, R., 1995, Hydrogeochemical exploration for gold in the Osilo area, Sardinia, Italy: Applied Geochemistry, v. 10, p. 517-529.
19. Craw, D., 1992, Growth of alluvial gold particles by chemical accretion and reprecipitation, Waimumu, New Zealand: New Zealand Journal of Geology and Geophysics, v. 35, p. 157-164.
20. Desborough, G.A., 1970, Silver depletion indicated by microanalysis of gold from placer occurrences, Western United States: ECONOMIC GEOLOGY, v. 65, p. 304-311.
21. DiLabio, R.N.W., 1990, Classification and interpretation of the shapes and surface textures of gold grains from till on the Canadian shield: Current research 1990, part C: Geological Survey of Canada, Paper 90-1c, p. 323-329.
22. Disnar, J.R., and Sureau, J.F., 1989, Organic matter in ore genesis: Progress and perspectives: Organic Geochemistry, v. 16, p. 577-599.
23. Fetzer, W.G., 1939, Transportation of gold by organic solutions: ECONOMIC GEOLOGY, v. 29, p. 599-604.
24. Fontana, M.G., 1986, Corrosion Engineering (3rd edition): New York, McGraw-Hill, 465 p.
25. Friese, F.W., 1931, The transportation of gold by organic underground solutions: ECONOMIC GEOLOGY, v. 33, p. 1-20.
26. Giusti, L., 1986, The morphology, mineralogy, and behaviour of "finegrained" gold from placer deposits of Alberta: Sampling and implications for mineral exploration: Canadian Journal of Earth Science, v. 23, p. 1662-1672.
27. Giusti, L., and Smith, D.G.W., 1984, An electron microprobe study of some Alberta placer gold: Tschermaks Mineralogische und Petrpgrahise Mitteilungen, v. 33, p. 187-902.
28. Grimes, D.J., Ficklin, W.H., Meier, A.L., and McHugh, J.B., 1995, Anomalous gold, antimony, arsenic, and tungsten in ground water and alluvium around disseminated gold deposits along the Getchell Trend, Humboldt County, Nevada: Journal of Geochemical Exploration, v. 52, p. 351-371.
29. Groen, J.C., Craig, J.R., and Rimstidt, J.D., 1990, The gold-rich formation on electrum grains in placers: Canadian Mineralogist, v. 28, p. 207-228.
30. Hérail, G., Fornari, M., Viscarra, G., and Miranda, V., 1990, Morphological and chemical evolotion of gold grains during the formation of a polygenetic fluviatile placer: The Mio-Pleistocene Tipuani placer example (Andes, Bolivia): Chronique de la Recherche Miniere, v. 500, p. 41-49.
31. Knight, J., 1993, Preliminary evidence for the involvement of budding bacteria in the origin of Alaskan placer gold: Geology, v. 21, p. 279-280.
32. Knight, J., and McTaggart, K.C., 1990, Lode and placer gold of the Coquihalla and Wells areas, British Columbia, (92H, 93H): British Columbia Department of Mines, Exploration in British Columbia, no. 1089, p. 105-118.
33. Knight, J.B., Morison, S.R., and Mortensen, J.K., 1999a, Relationship between placer gold shape, rimming, and distance of fluvial transport as exemplified by gold from the Klondike district, Yukon Territory, Canada: ECONOMIC GEOLOGY, v. 94, p. 635-648.
34. Knight, J.B., Mortensen, J.K., and Morison, S.R., 1999b, Lode and placer gold composition in the Klondike district, Yukon Territory, Canada: Implications for the nature and genesis of Klondike lode and placer gold: ECONOMIC GEOLOGY, v. 94, p. 649-664.
35. Korobushkina, E.D., Chernyak, A.S., and Mineev, G.G., 1974, Dissolution of gold by micro-organisms and products of their metabolism: Mikrobiologiya, v. 43, p. 9-54.
36. Korobushkina, E.D., Mineev, G.G., and Praded, G.P., 1976, Mechanism of the microbiological process of dissolution of gold: Mikrobiologiya, v. 45, p. 535-538.
37. Krupp, R.E., and Weiser, T., 1992, On the stability of gold-silver alloys in the weathering enviromment: Mineralium Deposita, v. 27, p. 268-275.
38. Lesure, F.G., 1971, Residual enrichment and supergene transport of gold, Calhoun mine, Lumpkin County Georgia: ECONOMIC GEOLOGY, v. 66, p. 178-186.
39. Leybourne, M.I., Goodfellow, W.D., Boyle, D.R., and Hall, G.E.M., 2000, Form and distribution of gold mobilized into surface waters and sediments from a gossan tailing pile, Murray Brook massive sulphide deposit, New Brunswick, Canada: Applied Geochemistry, v. 15, p. 629-646.
40. Loen, J.S., 1993, Implications of changes in placer gold morphology, Pioneer district, Montana: Northwest Geology, v. 22, p. 29-41.
41. Loen, J.S., 1994, Origin of placer nuggets and history of formation of glacial gold placers, Gold Creek, Granite County, Montana: ECONOMIC GEOLOGY, v. 89, p. 91-104.
42. Loen, J.S., 1995, Use of placer gold characteristics to locate bedrock gold mineralization: Exploration and Mining Geology, v. 4, p. 335-339.
43. Machesky, M.L., Andrade, W.O., and Rose, A.W., 1992, Interaction of gold (III) chloride and elemental gold with peat-derived humic substances: Chemical Geology, v. 102, p. 53-71.
44. Mann, A.W., 1984, Mobility of gold and silver in lateritic weathering profiles: Some observations from Western Australia: ECONOMIC GEOLOGY, v. 79, p. 38-49.
45. McCready, A.J., 1999, The Genesis of gold, uranium, and titanium mineralization in sandstones and conglomerates: Unpublished Ph.D. thesis, Belfast, The Queen's University of Belfast, 391 P
46. McTaggart, K.C., and Knight, J.B., 1993, Geochemistry of lode and placer gold of the Cariboo district, B.C.: British Columbia Ministry of Energy, Mines, and Petroleum Resources, Open File 1993-30, p. 1-25, 5 maps.
47. Mendez, V., and Zappettini, E., 1989, Geology and mineral deposits of the Central Andes, Republic of Argentina: Circum-Pacific Council for Energy and Mineral Resources Earth Science: Houston, v. 11, p. 195-206.
48. Michailidis, K., 1989, Gold geochemistry from the Gaillikos River placer deposits, central Macedonia, Greece: Chemie der Erde, v. 49, p. 95-103.
49. Miller, J.W., Callahan J.E., Hattersley D.J., and Craig, J.R., 1997, Impact of recreational suction dredging on mobilization of anthropogenic mercury in gold placers: Southeastern Geology, v. 37, p. 109-114.
50. Naden, J., 1988, Gold mineralization in the Caledonides of the British Isles with special reference to the Dolgellau gold-belt, North Wales, and the Southern Uplands, Scotland: Unpublished Ph.D. thesis, Birmingham, University of Aston, 2 vols., 165 p. and 226 p.
51. Ong, V.E., and Swanson, V.E., 1969, Natural organic acids in the transportation, deposition, and concentration of gold: Quarterly Journal of the Colorado School of Mines, v. 64, p. 395-425.
52. Pfeiffer, W.C., de Lacerda, L.D., Malm, O., Sonza, M.M., Da Silveira, E.G., and Bastos, W.R., 1989, Mercury concentrations in inland waters of gold-mining areas of Rondoônia, Brazil: Science of the Total Environment, v. 87/88, p. 233-240.
53. Pfeiffer, W.C., Lacerda, L.D., Salomons W., and Malm, O., 1993, Environmental fate of mercury from gold mining in the Brazilian Amazon: Environment Reviews, v. 1, p. 26-37.
54. Radtke, A.S., and Scheiner, B.J., 1970, Studies of hydrothermal gold deposition (I): Carlin gold deposit, Nevada: The role of carbonaceous materials in gold deposition: ECONOMIC GEOLOGY, v. 65, p. 87-102.
55. Sanerbrei, J.A., Pattison, E.F., and Averill, S.A., 1987, Till sampling in the Casa-Beradi gold area, Quebec: A case history in orientation and discovery: Journal of Geochemical Exploration, v. 28, p. 297-314.
56. Santosh, M., Philip, R., Jacob, M.K., and Omana, P.K., 1992, Highly pure placer gold formation in the Nilambur Valley, Wynad gold field, southern India: Mineralium Deposita, v. 27, p. 336-339.
57. Seely, J.B., and Senden, T.J., 1994, Alluvial gold in Kalimantan, Indonesia: A colloidal origin?: Journal of Geochemical Exploration, v. 50, p. 457-478.
58. Southam, G., 1998, Quantification of sulfur and phosphorus within secondary gold rims on Yukon placer gold: Geology, v. 26, p. 339-343.
59. Southam, G., and Beveridge, T.J., 1994, The in vitro formation of placer gold by bacteria: Geochimica et Cosmochimica Acta, v. 58, p. 4527-4530.
60. Southam, G., and Beveridge, T.J., 1996, The occurrence of sulfur and phosphorus within bacterially derived crystalline and pseudocrystalline octahedral gold formed in vitro: Geochimica et Cosmochimica Acta, v. 60, p. 4369-4376.
61. Stoffregen, R., 1986, Observations on the behaviour of gold during supergene oxidation at Summitville, Colorado, USA, and implications for electrum stability in the weathering environment: Applied Geochemistry, v. 1, p. 549-558.
62. Varshall, G.M., Velyukhanova, T.K., and Baranova, N.N., 1990, Geochemical and analytical aspects of the reactions of gold with humic substances in natural waters, soils, and rocks: Geochemistry International, v. 27, p. 10-19.
63. Vlassopoulous, D., Wood, S.A., and Mucci, A., 1990, Gold speciation in natural waters: II. The importance of organic complexing-experiments with some simple model ligands: Geochimica et Cosmochimica Acta, v. 56, p. 1575-1586.
64. Watterson, J.R., 1991, Preliminary evidence for the involvement of budding bacteria in the origin of Alaskan placer gold: Geology, v. 20, p. 315-318.
65. Watterson, J.R., 1994, Artifacts resembling budding bacteria produced in placer-gold amalgams by nitric acid leaching: Geology, v. 22, p. 1144-1146.
66. Wayne, D., Warwick, J.J., and Lyons, W.V., 1996, Mercury contamination in the Carson River, Nevada: A preliminary study of the impact of mining wastes: Water, Air, Soil Pollution, v. 92, p. 391-399.
67. 2O at 25°C and 1 atm: Geochemica et Cosmochimica Acta, v. 50, p. 1837-1845.
68. Wilson, A.F., 1984, Origin of quartz-free gold nuggets and supergene gold found in laterites and soils-review and some new observations: Australian Journal of Earth Science, v. 31, p. 303-316.
69. Wood, S.A., 1996, The role of humic substances in the transport and fixation of metals of economic interest (Au, Pt, Pd, U, V): Ore Geology Reviews, v. 11, p, 1-31.
70. Youngson, J.H., and Craw, D., 1993, Gold nugget growth during tectionally induced sedimentary recycling, Otago, New Zealand: Sedimentary Geology, v. 84, p. 71-88.
71. Youngson, J.H., and Craw, D., 1995, Evolution of placer gold deposits during regional uplift, Central Otago, New Zealand: ECONOMIC GEOLOGY, v. 90, p. 731-745.
72. Youngson, J.H., and Craw, D., 1999, Variation in placer style, gold morphology, and gold particle behaviour down gravel bed-load rivers: An example from the Shotover/Arrow-Kawarau-Clutha River System, Otago, New Zealand: ECONOMIC GEOLOGY, v. 94, p. 615-634.