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Investigation of a Low-grade Gold Deposit in the Orogrande District, Idaho.
NTIS: PB 194 944 :14 pages
Geochemical humus sampling techniques were used by the Bureau of Mines in investigating a potential large, low-grade gold deposit in the Orogrande District, Idaho. Conifer needle humus samples were processed by ashing and fire assay-atomic absorption analysis. An area bearing anomalous concentrations of gold and silver was outlined by the geochemical method.
IH; Report of Investigation;
NTIS Accession No.
NTIS: PB 194 944
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division