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  3. Mineral Resource Data System (MRDS)

Clark Prospect

Occurrence in Alaska, United States with commodities Gold, Copper
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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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10094015
MRDS ID A012007
Record type Site
Current site name Clark Prospect
Related records 10112500

Geographic coordinates

Geographic coordinates: -134.43562, 58.37558 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Juneau(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Juneau B-2(quadrangle 1:63,360 scale)

Juneau SE(quadrangle 1:100,000 scale)

Juneau(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lynn Canal(hydrologic unit)

Northern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • BEST LOCATION: USGS OFR 85-717, NO. J151 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrrhotite Gangue
Quartz Gangue

Analytical data

Result AU CONTENT NO MORE THAN 0.05 OZ/TON, USGS OFR 84-572, P. 170, NO. 80

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -134.43562, 58.37558
ListMap

Economic information

Ore body information

  • Thickness 1.22M
    Length 60.96M
    Width 30.48M

Comments on the geologic information

  • MAFICIGNEOUS ROCKS DESCRIBED AS DIORITE OR ALTERED GABBRO DIKES

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Juneau/Eagle River

Land status

Ownership category State

Comments on the workings information

  • NO DATA ON WORKINGS

Comments on development

  • ACTIVE IN EARLY 1900'S; CLAIMS, 1880-1982

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit QUARTZ VEINS UP TO 3-4 FT THICK CARRY PYRRHOTITE, SOME CHALCOPYRITE, AND GOLD; VEIN DEVELOPED IN EARLY 1900'S WAS EXPOSED FOR 200 FT HORIZONTALLY FOR A HEIGHT OF 100 FT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-85 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-94 Mosier, Dan 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

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.