The Gem Silica Company Deposit is a silica mine located in Gem county, Idaho at an elevation of 2,500 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Elevation: 2,500 Feet (762 Meters)
Primary Mineral: Silica
Lat, Long: 43.8358, -116.47500
Map: View on Google Maps
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Gem Silica Company Deposit MRDS details
Primary: Gem Silica Company Deposit
District: Emmett Area
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Owner Name: Del Monte Properties, Inc.
Home Office: San Francisco, Ca
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1946
Discovery Method: Ore-Mineral In Place
Years of Production:
Deposit Size: M
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section
Physiographic Detail: Payette River Mountains
Mineral Deposit Model
Analytical Data: CHEMICAL ANALYSIS - SIO2 - 85.21%
Analytical Data: AL2O3 - 8.75%
Analytical Data: FE2O3 - 0.38%
Analytical Data: CAO - 0.69%
Analytical Data: NA2O - 2.00%
Analytical Data: TIO - 0.015%
Analytical Data: K2O - 3.14%
Comment (Location): BORDERS STATE HIGHWAY 16.
Comment (Development): 10 UNPATENTED CLAIMS ( 1955 )
Reference (Deposit): CARTER, W. D., AND SAVAGE, C. N., 1964, MINERAL RESOURCES, SILICA - IN MINERAL AND WATER RESOURCES OF IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY SPECIAL REPORT NO. 1, P. 176.
Reference (Deposit): CARTER, G.J., AND OTHERS, 1962, INDUSTRIAL SILICA DEPOSITS OF THE PACIFIC NORTHWEST: U.S. BUREAU OF MINES INF. CIRC. 8112, P. 20.
Reference (Deposit): 1962 COMPILE U.S. BUREAU OF MINES - INFORMATION CIRC. 8112.
Reference (Deposit): 1964 COMPILE W. D. CARTER - IDAHO BUREAU OF MINES AND GEOLOGY SPECIAL REPORT NO. 1
"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more at Where to Find Gold in Idaho.