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  3. Mineral Resource Data System (MRDS)

Cache Gold Mine

Past Producer in Alaska, United States with commodities Gold, Silver
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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. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10101001
MRDS ID A013369
Record type Site
Current site name Cache Gold Mine
Alternate or previous names Stewart Mine

Geographic coordinates

Geographic coordinates: -135.09724, 56.97804 (WGS84)
Elevation 219
Relative position 2.8 MI. NW OF LUCKY CHANCE MTN.

Site location context

Political divisions (FIPS codes)

Sitka(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Port Alexander D-4(quadrangle 1:63,360 scale)

Port Alexander NW(quadrangle 1:100,000 scale)

Port Alexander(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

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

  • USGS MF-464, LOC. 4 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
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Analytical data

Result ORE AVERAGED 0.36 OZ/TON AU-USGS OF 78-787 P.7

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -135.09724, 56.97804
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Width 3.96M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1872

Mining district

District name Chichagof

Land status

Ownership category State

Workings at the site

  • Type of workings Underground
    Length 91.44M

Comments on the workings information

  • 3 DRIFT TUNNELS, LOWEST 160 FT. LONG TRENDING S 70 DEGREES E. UPPER TUNNEL IS 80 FT. ABOVE LOWER. 10 STAMP MILL AND TRAMWAY BUILT, IN RUINS BY 1895.

Comments on development

  • LOCATED 1872, 10 STAMP MILL BUILT IN 1879, 3 DRIFT TUNNELS DRIVEN, TRAMWAYS BUILT. SOME PRODUCTION, PROBABLY IN 1870'S AND 1880'S. MILL AND TRAMWAYS IN RUINS BY 1895.

Reference information

Bibliographic references

  • Deposit

    USGS MF-464, LOC. 4 (1972)

  • Deposit

    USGS OF 78-787, P.7 (1978)

  • Deposit

    USGS 18TH ANNUAL REPORT, PART III, P. 79 (1898)

  • Deposit

    USGS B 504, P. 27 (1912)

  • Other Database

    BAG-MF-464-4

General comments

Subject category Comment text
Deposit IRREGULAR BODY OF QUARTZ 4-13 FT. WIDE, AVERAGE 10 FT. THICK, IN SLATE, CONTAINS PYRITE AND ARSENOPYRITE. QUARTZ BODY IS NEARLY VERTICAL AND HAS EXTREMELY CURVED WALLS.
Deposit APPARENTLY WAS FIRST LODE MINE IN SE ALASKA. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1987 Niles, L.P. (Huber, D.F.) 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.