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Oro Cache Mine

Past Producer in Lemhi county in Idaho, United States with commodities Gold, Silver, Lead, Copper, Zinc
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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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Mineral rights holdings
  17. Land status
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10070390
MRDS ID W013296
MAS/MILS ID 0160590156
Record type Site
Current site name Oro Cache Mine
Alternate or previous names Ore Cash, Freeman, California, Idaho Veins, Marc Claims

Geographic coordinates

Geographic coordinates: -113.69281, 45.28349 (WGS84)
Elevation 2591
Relative position 12.2 MI N54E OF SALMON

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Homer Youngs Peak(quadrangle 1:24,000 scale)

Salmon(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Hole(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Salmon-Challis National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 023N 023E 35 NE Idaho

Comments on the location information

  • In Freeman Ck Cirque, 1 Mi Nne Of Freeman Peak. ; Info From Land.St :(1978)

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Lead Secondary
Copper Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Sphalerite Ore
Limonite Gangue
Magnetite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result GALENA ASSAYED 20 OZ AG/TON

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Lemhi
    Rock description Lemhi
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -113.69281, 45.28349
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure name Miner Lake Fault
Structure description Miner Lake Fault

Ore body information

  • General form TABULAR, DISCONTINUOUS
    Strike N 65 E
    Dip 67 NW
    Width 1.83M

Controls for ore emplacement

  • Shear Zone
  • Fractures

Comments on the geologic information

  • Original alteration entry:

    Local - Oxidation

  • Original ore control entry:

    Shear Zone, Subsidiary Fractures To Miner Lake Fault

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1897
Year of last production 1912

Mining district

District name Carmen Creek District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest
Area name Salmon National Forest

Comments on the production information

  • Primary Production From Or0 Cache Vein. Estimated Total Production: Over $100,000 In Au, Ag And Pb.

Workings at the site

  • Type of workings Underground
    Length 1219.2M

Comments on the workings information

  • 9 Adits, Lowest Adit Is 700 Ft Long. All Workings Inaccessible (1976)

Comments on development

  • Steam Powered 10-Stamp Mill, Equipped For Amalgamation And Concentration (1897-1914). Freeman Vein Was Originally Separate Operation.

Reference information

Bibliographic references

  • Deposit

    Mackenzie, W. O., 1949, Geology And Ore Deposits Of A Section Of The Beaverhead Range, East Of Salmon, Lemhi County, Idaho: Moscow, Idaho, Univ. Of Idaho, M. S. Thesis, 52 P.

  • Production

    Peters, D. W., 1976, Divide Planning Unit- Salmon Nat For Rept

  • Deposit

    Umpleby, J.B., 1913, Geology and Ore Deposits Of Lemhi County, Idaho; USGS Bulletin528, P.125, 126

  • Deposit

    Bell, Robert N., 1904, Report Of The Mining Districts Of Idaho For The Year 1903, P. 105.

  • Deposit

    Peters, D. W., 1976, Divide Planning Unit- Salmon Nat For Rept

  • Deposit

    Min Res Of Us, 1912-1915, For Years 1911-1914

  • Deposit

    Lipton, D. A., And Others, 1988, Mineral Resources Of The West Big Hole Study Area, Beaverhead County, Montana: U.S. Bureau Of Mines Open File Report MLA 16-88, Appendix B, No. 8, P. 102-105; Plate 1, No. 16.

General comments

Subject category Comment text
Deposit 4 Veins- California, Idaho, Oro Cache, Freeman. Oro Cache Was 4-6 Ft Wide, Deeply Oxidized Shear Zone. Others Were Qtz-Galena Veins, .5-5 Ft Wide. Idaho Vein Was Higest Grade, But Thin And Discontinuous.
Deposit Quartzite Trends N20-55e, Steep W Dip ; Info.Src : 1 Pub Lit; 2 Unpub Rept

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Bainbridge, Terri L.; Miller, Pat U.S. Geological Survey
Updater 01-APR-1980 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey
Reporter 13-OCT-1990 Lipton, David A. U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site