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  3. Mineral Resource Data System (MRDS)

Douglas Mining Co. Prospect

Occurrence in Alaska, United States with commodities Gold, Copper, Zinc
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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. Economic information about the deposit and operations
  10. Workings at the site
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10001307
MRDS ID A012046
Record type Site
Current site name Douglas Mining Co. Prospect
Alternate or previous names Josie and Karen
Related records 10161184

Geographic coordinates

Geographic coordinates: -134.43062, 58.27447 (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)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LOCATION APPROXIMATED FROM USGS OFR 85-717, NO. J191 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 Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore

Analytical data

Result 1-3 PPM AU
Result USGS OFR 85-717, P. 204

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -134.43062, 58.27447
ListMap

Economic information

Comments on the geologic information

  • 70 FT WIDE DIORITE DIKE INTRUDES SLATE;

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Workings at the site

  • Type of workings Surface/Underground
    Length 36.58M

Comments on the workings information

  • EXPLORED BY SURFACE TRENCHES AND 120 FT TUNNEL

Comments on development

  • 1 LODE CLAIM, 1 PLACER CLAIM; MINOR DEVELOPMENT 1922-1924

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit GLASSY QUARTZ-CALCITE STRINGERS IN 70 FT WIDE ALTERED AND SHEARED DIORITE DIKE; DIKE AND STRINGERS CONTAIN SPARSELY DISSEMINATED CHALCOPYRITE, PYRITE AND SPHALERITE
Deposit SEE ALSO: TREADWELL ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1994 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.