Silver Hill tin

Region West, Northwest
Mineral systems
Deposit types
Critical minerals
Other minerals

Information leading to the delineation of this focus area

Basis for focus area Tin and W occur in quartz veins and pegmatites. USMIN location for Silver Hill mine and several MRDS records surrounded with a 10 km buffer.
Identified resources Historical production of tin.
Production Mining during 1907-1912 produced 7 metric tons of Sn.
Status Past mining.
Estimated resources Unknown.
Geologic maps Derkey and others (1999), scale 1:24,000.
Geophysical data Adequate aeromagnetic coverage. Inadequate aeroradiometric coverage.
Favorable rocks and structures Mesozoic sillimanite-andalusite pegmatite and feldspar-quartz pegmatite (Page, 1942).
Deposits Silver Hill mine (MRDS dep_id; 10204272).
Evidence from mineral occurrences MRDS.
Geochemical evidence Unknown.
Geophysical evidence None.
Evidence from other sources Unknown.
Comments Cassiterite was discovered in 1906; trenching and exploration followed with no work after 1912. Eight small Sn-bearing quartz veins were prospected by the U.S. Bureau of Mines.
Cover thickness and description 20 ft loess.
Authors Daniel W. Eungard.
New data needs Deposit model, drilling.
Geologic mapping and modeling needs Mapping complete.
Geophysical survey and modeling needs High-resolution, Rank 1 aeromagnetic and aeroradiometric surveys.
Digital elevation data needs Lidar complete.