Cooper Mine

Producer in Washington county in Maine, United States with commodities Molybdenum, Copper, Fluorine-Fluorite
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10110214
MRDS ID W000007
Record type Site
Current site name Cooper Mine
Related records 10170201

Geographic coordinates

Geographic coordinates: -67.44932, 44.96664 (WGS84)
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Washington(county)

Maine(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lake Cathance(quadrangle 1:24,000 scale)

Machias(quadrangle 1:100,000 scale)

Eastport(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Maine Coastal(hydrologic unit)

Maine Coastal(hydrologic accounting unit)

Maine Coastal(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Maine Washington

Commodities

Commodity Importance
Molybdenum Primary
Copper Secondary
Fluorine-Fluorite Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Fluorite Ore
Molybdenite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -67.44932, 44.96664

Economic information

Comments on the geologic information

  • GEOL.DESC: MOLYBDENITE (AND SOME CHALCOPYRITE) ARE DISSEMINATED IN GRANITE; THE MOLY IN 1 - 3 MM. GRAINS
  • Molybdenite (And Some Chalcopyrite) Are Disseminated In Granite; the Moly In 1 - 3 Mm. Grains

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No

Comments on the production information

  • TRIAL PRODUCTION - CLOSED MINE

Comments on the reserve resource information

  • NO ESTIMATE OF RESERVE AVAILABLE. A SAMPLE COLLECTED ACROSS 30 FEET OF MINERALIZED GRANITE ASSAYED 0.12% MOS2. YOUNG HAS ANALYSES AS HIGH AS 1% MOS2

Comments on the workings information

  • Intermittent Producer

Reference information

Bibliographic references

  • Deposit

    KIRKEMO, H., 1965, USGS BULL. 1182-E, P 61-62

  • Deposit

    YOUNG, R.S., 1968, ORE DEPOSITS OF THE U.S., 1933-67, VOL. 1, AIMMPE, P 125-139

  • Deposit

    YOUNG, R.S., 1963, MAINE GEOL. SUR. SPEC. EC. STUDY SERIES NO. 3, P 67-68, 83

  • Deposit

    Kirkemo, H., Anderson, C.A., And Creasey, S.C., 1965, Investigations Of Molybdenum Deposits In The Conterminous United States, 1943 - 60: U.S. Geological Survey Bulletin 1182e, 90 P.Kirkemo, H., Anderson, C.A., And Creasey, S.C., 1965, Investigations Of Molybdenum Deposits In The Conterminous United States, 1943 - 60: U.S. Geological Survey Bulletin 1182e, 90 P.

  • Deposit

    Schmidt, R.G., 1978, The Potential For Porphyry Copper-Molybdenum Deposits In The Eastern United States: U.S. Geological Survey Professional Paper 907e, 31 P.Schmidt, R.G., 1978, The Potential For Porphyry Copper-Molybdenum Deposits In The Eastern United States: U.S. Geological Survey Professional Paper 907e, 31 P.

  • Deposit

    Young, R.S., 1963, Prospect Evaluations, Washington County, Maine: Maine Geological Survey Special Economic Studies Series 3, 86 P.Young, R.S., 1963, Prospect Evaluations, Washington County, Maine: Maine Geological Survey Special Economic Studies Series 3, 86 P.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1971 Schmidt, Robert G. U.S. Geological Survey
Editor 01-DEC-2002 Woodruff, Laurel G. U.S. Geological Survey Checked Location; Updated Ore Material Codes; Updated References

Beyond USGS

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