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Gem Silica Company Deposit

Past Producer in Gem county in Idaho, United States with commodity Silica
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10105608
MRDS ID W013113
Record type Site
Current site name Gem Silica Company Deposit

Geographic coordinates

Geographic coordinates: -116.47598, 43.83567 (WGS84)
Elevation 762
Relative position 3 MI. S. OF EMMETT

Site location context

Political divisions (FIPS codes)

Gem(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Southeast Emmett(quadrangle 1:24,000 scale)

Boise(quadrangle 1:100,000 scale)

Boise(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Payette(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Gem

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 006N 001W 29 Idaho

Comments on the location information

  • BORDERS STATE HIGHWAY 16.

Commodities

Commodity Importance
Silica Primary

Analytical data

Result CHEMICAL ANALYSIS - SIO2 - 85.21%
Result AL2O3 - 8.75%
Result FE2O3 - 0.38%
Result CAO - 0.69%
Result NA2O - 2.00%
Result TIO - 0.015%
Result K2O - 3.14%

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
    Rock unit name Idaho Formation;Idaho Formation
    Rock description Idaho Formation;Idaho Formation
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -116.47598, 43.83567
ListMap

Economic information

Ore body information

  • General form TABULAR
    Thickness 243.84M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Year of first production 1946

Mining district

District name Emmett Area

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Del Monte Properties, Inc.
    Home office San Francisco, Ca

Comments on development

  • 10 UNPATENTED CLAIMS ( 1955 )

Reference information

Bibliographic references

  • 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.

  • Deposit

    CARTER, G.J., AND OTHERS, 1962, INDUSTRIAL SILICA DEPOSITS OF THE PACIFIC NORTHWEST: U.S. BUREAU OF MINES INF. CIRC. 8112, P. 20.

  • Deposit

    1962 COMPILE U.S. BUREAU OF MINES - INFORMATION CIRC. 8112.

  • Deposit

    1964 COMPILE W. D. CARTER - IDAHO BUREAU OF MINES AND GEOLOGY SPECIAL REPORT NO. 1

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Matthews, John Y.; Miller, Pat U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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