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Preliminary Investigation of a Low-grade Gold Deposit in Custer County, Idaho.

Authors
Lockard-DW; Rice-WL
Source
For Reference Only At Bureau Libraries :58 pages
Link
NIOSHTIC No.
10010035
Abstract
The Bureau of Mines conducted a research program on the feasibility of recovering gold from the Golden Sunbeam Mine, Custer County, Idaho. This mine produced significant quantities of gold prior to 1920. The research program consisted of diamond drilling, geological mapping, assaying, computer analysis of assay data, metallurgical research and ore testing. Preliminary evaluation of the deposit infers about 82 million tons of submarginal gold and silver resources with an average value of $1.07 +/- $0.11 Per ton. This report presents the physical and historical aspects of the deposit as well as a detailed analysis of the Bureau's work, including the design of a hypothetical open pit.
Publication Date
19700101
Document Type
CP;
Fiscal Year
1970
NTIS Accession No.
NTIS Price
Identifying No.
OFR 5-71
NIOSH Division
WFOC;
Source Name
For Reference Only At Bureau Libraries
State
ID;
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