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  3. Mineral Resource Data System (MRDS)

Mansfield Gold Mining Co. Prospect

Occurrence in Alaska, United States with commodities Gold, Copper, Lead, 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. Mining district
  11. Land status
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10001337
MRDS ID A012077
Record type Site
Current site name Mansfield Gold Mining Co. Prospect
Alternate or previous names Seattle Group

Geographic coordinates

Geographic coordinates: -134.85758, 58.26224 (WGS84)
Location accuracy 2000(meters)

Site location context

Political divisions (FIPS codes)

Hoonah-Angoon(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Juneau B-3(quadrangle 1:63,360 scale)

Juneau SE(quadrangle 1:100,000 scale)

Juneau(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Admiralty Island(hydrologic unit)

Central 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

  • LOCATION APPROXIMATED FROM USGS OFR 85-717-LOC. 53 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 Primary
Lead Tertiary
Zinc Critical Tertiary

Comments on the commodity information

  • PRESENCE OF AU IS UNCERTAIN.

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore

Analytical data

Result NO DATA ON POSSIBLE PRECIOUS METAL CONTENT

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -134.85758, 58.26224
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Admiralty

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Surface/Underground
    Length 6.1M

Comments on the workings information

  • 20 FT TUNNEL ON MAIN VEIN DRIVEN BEFORE ABOUT 1916; SOME SURFACE STRIPPING; CLAIMS STAKED IN 1908 INCLUDED IN 1975-82 CLAIM BLOCK OF 81 UNPATENTED LODE CLAIMS

Comments on development

  • ACTIVE IN EARLY 1900'S

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SEE ALSO: ADMIRALTY-ALASKA, PORTAGE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit SEVERAL QUARTZ VEINS 3 TO 6 FT WIDE, ABOUT 100 FT APART, PARALLEL TO REGIONAL TREND; VEINS CARRY CHALCOPYRITE, PYRRHOTITE AND MINOR GALENA AND SPHALERITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1985 Leonard, Kenneth R. (Elliott, R. L.) 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.