Ophir Mine

Past Producer in Elmore county in Idaho, United States with commodities Gold, Silver, Copper, Lead, Zinc
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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10070009
MRDS ID W007842
MAS/MILS ID 0160390024
Record type Site
Current site name Ophir Mine

Geographic coordinates

Geographic coordinates: -115.27124, 43.70128 (WGS84)
Elevation 1829
Relative position 1 1/2 MI NNE OF ROCKY BAR

Site location context

Political divisions (FIPS codes)

Elmore(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rocky Bar(quadrangle 1:24,000 scale)

Idaho City(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Boise(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Boise 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 Elmore

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 004N 010E 04;09 Idaho

Comments on the location information

  • Near The Head Of Ophir Gulch

Commodities

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

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Idaho Batholith
    Rock description Idaho Batholith
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -115.27124, 43.70128

Economic information

Ore body information

  • General form LINEAR
    Strike N 80 DEG W
    Dip 50 DEG N
    Thickness 1.83M
    Width 9.14M

Controls for ore emplacement

  • Fractures

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No

Mining district

District name Rocky Bar District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Remco
  • Type Owner
    Owner Charles Martin

Comments on the production information

  • $2,250,000 Total Production, $80,000 Of Which Was Prior To 1881.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 86.87M

Comments on the workings information

  • 2 Adits And A Vertical Shaft, Length Of Workings, At Least 595 Ft. Two Winzes.

Reference information

Bibliographic references

  • Deposit

    Anderson, A. L., 1943, Geology Of The Gold - Bearing Lodes Of Rocky Bar Dist., Elmore Co., Idaho: Idaho Bureau Of Mines & Geol. Pam. 65, P. 31

  • Deposit

    Idaho Dept. Of Labor And Industrial Services, July 1974-June 1975, First Annual Rept. Addendum, 95 P.

  • Deposit

    Mining Industry Of Idaho, 1973-1974, 71st Annual Report, 98 P.

  • Deposit

    Wagner, W.R.T., 1939, The Geology And Ore Deposits Of The Rocky Bar District, Idaho: Moscow, Idaho, Univ. Of Idaho M.S. Thesis, 32 P.

  • Deposit

    1943 Geolmap Idaho Bureau Of Mines & Geol. Pam. 65

  • Deposit

    1974 Compile Mining Industry Of Idaho, 71st Annual Report

  • Deposit

    1975 Compile Idaho Dept. Of Labor And Industrial Services, First Annual Report Addendum

  • Production

    Anderson, A. L., 1943, Idaho Bureau Of Mines & Geol. Pam. 65, P. 31

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1975 Steigner, William D. U.S. Geological Survey
Updater 01-AUG-1976 Everett, Sandra E. U.S. Geological Survey
Reporter 13-MAR-1995 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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