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Tofty Tin Deposits Placer Mine

Producer in Alaska, United States with commodities Tin, Gold
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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. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10067312
MRDS ID W000017
Record type Site
Current site name Tofty Tin Deposits Placer Mine

Geographic coordinates

Geographic coordinates: -152.22184, 64.24248 (WGS84)
Relative position No latitude-longitude reported. Given lat-lon is for centroid of second order political subdivision boundary.

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kantishna River A-5(quadrangle 1:63,360 scale)

Kantishna River SW(quadrangle 1:100,000 scale)

Kantishna River(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork Kuskokwim River(hydrologic unit)

Upper Kuskokwim River(hydrologic accounting unit)

Southwest(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

BLM(Federal land areas administered by BLM)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Tin Critical Primary
Gold Primary

Materials information

Materials Type of material
Cassiterite Ore
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -152.22184, 64.24248
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: PLACERS IN BENCHES AND MODERN STREAMS. ALIGNED ALONG MAJOR TRANSCURRENT FAULTS.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Manly Hot Springs

Comments on the production information

  • EST. PRODUCTION OF AU - $2,000,000. INTERMITTENT PRODUCTION OF BOTH CASSITERITE AND GOLD

Comments on the reserve resource information

  • AMOUNTS FOR ITEMS 1 & 3 ARE MEASURED, FOR ITEM 2 AMOUNT IS INFERRED. RESERVES MAINLY CASSITERITE.

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-71 Sainsbury, C.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.