Basis for focus area |
Polygons extracted and merged with National Assessment tract GB21. Previously categorized as Massive sulfide, Sierran kuroko (U.S. Geological Survey National Mineral Resource Assessment Team, 2002). |
Identified resources |
None. |
Production |
None. |
Status |
Unknown. |
Estimated resources |
Unknown. |
Geologic maps |
Stewart and Carlson (1978), scale 1:500,000; Crafford (2010), scale 1:500,000. |
Geophysical data |
Inadequate aeromagnetic and aeroradiometric coverage. |
Favorable rocks and structures |
Jurassic Black Rock and Triassic Koipato assemblages contain intermediate to felsic marine volcanic rocks. |
Deposits |
Red Boy mine (MRDS dep_id: 10047367). |
Evidence from mineral occurrences |
MRDS. |
Geochemical evidence |
Unknown. |
Geophysical evidence |
Unknown. |
Evidence from other sources |
Unknown. |
Cover thickness and description |
Unknown. |
Authors |
Allen K. Andersen, Deborah A. Briggs. |
New data needs |
Geophysics, geologic mapping. |
Geologic mapping and modeling needs |
Updated geologic mapping. |
Geophysical survey and modeling needs |
High resolution, Rank 1 aeromagnetic and aeroradiometric coverage. |
Digital elevation data needs |
Lidar variable over large focus area; some complete, some in progress, some inadequate. |