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Calera Mine

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

Geologic information

Identification information

Deposit ID 10067854
MRDS ID W000726
MAS/MILS ID 0160590610
Record type Site
Current site name Calera Mine
Alternate or previous names Howe Sound Adit Mine

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -114.35028, 45.12577 (WGS84)
Elevation 2362
Location accuracy 100(meters)
Relative position 7 MI. NW. OF COBALT, IDAHO

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gant Mountain(quadrangle 1:24,000 scale)

Bighorn Crags(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Salmon-Panther(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(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 021N 018E 28 NWNE Idaho

Comments on the location information

  • HILLSIDE N. OF BLACKBIRD CREEK, CROSSCUT 2850 FT NW OF UNCLE SAM MINE, PENETRATES BROWN BEAR LODES; ON MEADOW CR N OF BRYAN GULCH; BETWEEN CHICAGO AND ST JOE

Commodities

Commodity Importance
Copper Primary
Cobalt Critical Primary
Gold Secondary
Nickel Critical Tertiary
Bismuth Critical Tertiary

Materials information

Materials Type of material
Bismuth Ore
Chalcopyrite Ore
Cobaltite Ore
Safflorite Ore
Biotite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Magnetite Gangue

Analytical data

Result TRACE - 0.02 OZ. AU/TO, .8 % Ni

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Idaho Batholith-Granitic Rocks
    Rock description Idaho Batholith-Granitic Rocks
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Apple Creek Formation, Belt Supergroup
    Rock description Belt Supergroup-Schist
    Stratigraphic age (youngest) Mesoproterozoic
    Stratigraphic age (oldest) Mesoproterozoic

Nearby scientific data

Main Entrance (1) -114.35028, 45.12577
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Blackbird Structural Block, Minor Folds

Ore body information

  • General form Irregular LENS, PODS
    Strike NW
    Dip 60 DEG NE
    Plunge direction N
    Length 2438.4M
    Width 12.19M
    Depth to bottom 335.28M

Controls for ore emplacement

  • shear zone
  • crests of folds

Comments on the geologic information

  • ORE LIES IN NW AND N TRENDING SHEAR ZONES IN FOLDED AND SCHISTOSE BELT SEDIMENTARY ROCKS. ; GEOL.DESC: ORE LIES IN NW-AND N-TRENDING SHEAR ZONES IN FOLDED AND SCHISTOSE BELT SEDIMENTARY ROCKS. COBALTITE, SAFFLORITE, CHALCOPYRITE, AND BISMUTH ARE IN GANGUE OF PYRITE, PYRRHOTITE, QUARTZ, BIOTITE, SIDERITE, AND MUSCOVITE. ORE BODIES EITHER IN NORTHEAST-DIPPING EN ECHELON VEINS, OR IN NORTH-PLUNGING PODS, WIDTHS 3 TO 40 FEET.

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1945
Discoverer Calera Division Of Howe Sound Mining Co.

Mining district

District name Blackbird

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Calera Division Of Howe Sound Mining Co.
  • Type Owner
    Owner Hanna Mining Co.

Comments on the reserve resource information

  • ITEM(1)ABOVE INCLUDES PAST PRODUCTION PLUS CALCULATED RESERVES.

Workings at the site

  • Type of workings Surface/Underground
    Length 14325.6M

Comments on the workings information

  • 9 MAIN LEVELS, 1 OPEN PIT, DIAMOND DRILLING

Comments on development

  • HOWE SOUND ADIT NOW INCLUDED IN BLACKBIRD MINE, SEE NO. 363. ; ECONOMIC COMMENT: CO HAS EXTRACTION PROBLEMS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit PENETRATES CHICAGO-BROWN BEAR LODE
General FS MIN EXAM 1958 PLUM

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1972 Coury, Anny B. U.S. Geological Survey
Updater 01-SEP-1976 Duncan, Daniel G. (Miller, Pat) U.S. Geological Survey
Updater 01-FEB-2010 Causey, J. Douglas U.S. Geological Survey Updated with data from old MAS/MILS record 0160590610, 0160590611 and old MRDS record numbers FS00613, W013493, and IGS no. EC_432.
Reporter 01-JUN-1976 Meier, M. Lorrie U.S. Geological Survey
Reporter 01-JUL-1975 Ortman, Dale; Miller, Pat U.S. Geological Survey

Beyond USGS

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

Maps centered on this site