Residual enrichment and supergene transport of gold, Calhoun Mine, Lumpkin County, Georgia

Lesure, F.G.

doi:10.2113/gsecongeo.66.1.178

Cited by 10 publications

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“…The samples were collected by Lesure in October-November, 1966, March-April and October-November, 1967, and April, 1968, in a reconnaissance study as part of the U.S. Geological Survey (USGS) Heavy Metals Program. Some preliminary results were reported earlier (U.S. Geological Survey, 1968, p. 8;Kinkel and Lesure, 1968;Lesure, 1969a;1969b;Lesure, 1971).…”

Section: ---------------------100 Introductionmentioning

confidence: 51%

Analyses and descriptions of geochemical samples, northeastern part of the Dahlonega gold belt and vicinity, northeastern Georgia

Lesure¹,

Watts²,

Finley³

et al. 1991

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Semiquantitative spectrographic analyses for 30 elements, atomic absorption analyses for gold, copper, lead, and zinc, colorimetric analyses for arsenic and molybdenum, and instrumental analyses for mercury on all or part of a sample suite of 879 rock and saprolite samples are reported here in detail. In addition, Energy Dispersive X-ray Fluorescence analyses for a selected suite of 14 trace elements made on 146 of the samples are also reported. Most of the samples are saprolite derived from mica schist and gneiss, amphibolite, and quartzite, or vein quartz in saprolite. Samples of vein quartz generally contain some enclosing country rock. Samples are from roadcuts, surface and underground mine workings, and mine dumps. Locations are given by quadrangle and latitude and longitude. Sixty-seven percent of the samples from old mine areas and 24 percent from roadcuts contain gold at a limit of determination of 0.02 parts per million (ppm). Half of the mine samples and three-fourths of the roadcut samples that contain detectable gold have less than 0.2 ppm.

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Section: ---------------------100 Introductionmentioning

confidence: 51%

Analyses and descriptions of geochemical samples, northeastern part of the Dahlonega gold belt and vicinity, northeastern Georgia

Lesure¹,

Watts²,

Finley³

et al. 1991

Open-File Report

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“…Nuggets found in placers near vein outcrops also were far larger than particles of gold found in veins. The larger sizes suggest mobilization and accretion of gold during the process of oxidation and supergene enrichment (Lesure, 1971;J.C. Antweiler, oral commun., 1984).…”

Section: Mineralogymentioning

confidence: 99%

United States gold terranes — Part I

Tooker¹,

Bagby²,

Kiilsgaard³

et al. 1989

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Oxidation and Secondary Enrichment of Gold Deposits

Boyle

1987

Gold

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Residual enrichment and supergene transport of gold, Calhoun Mine, Lumpkin County, Georgia

Cited by 10 publications

References 0 publications

Analyses and descriptions of geochemical samples, northeastern part of the Dahlonega gold belt and vicinity, northeastern Georgia

Analyses and descriptions of geochemical samples, northeastern part of the Dahlonega gold belt and vicinity, northeastern Georgia

United States gold terranes — Part I

Oxidation and Secondary Enrichment of Gold Deposits

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