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Unnamed Occurrence

Occurrence in Alaska, United States with commodities Copper, Tin, Zinc, 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. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10001268
MRDS ID A011991
Record type Site
Current site name Unnamed Occurrence

Geographic coordinates

Geographic coordinates: -151.24002, 67.30634 (WGS84)

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

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

Wiseman SE(quadrangle 1:100,000 scale)

Wiseman C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • ADGGS OFR 133 B, PLATE 1, NO. 467 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Copper Primary
Tin Critical Secondary
Zinc Critical Tertiary
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Chalcopyrite Ore
Pyrrhotite Ore
Sphalerite Ore

Analytical data

Result 500 PPM AS, 2.1 PPM AG, 0.43 PPM AU, 150 PPM CO, 1365 PPM CU, 329 PPM ZN, 50 PPM SN, COMPOSITE SAMPLE

Host and associated rocks

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

Nearby scientific data

(1) -151.24002, 67.30634
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Economic information

Ore body information

  • Thickness 0.02M

Comments on the geologic information

  • ACTINOLITE-BIOTITE FELSITE WITH INTERLAYERS OF MARBLE AND GARNET-QUARTZ-ALBITE-MUSCOVITE SCHIST.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Koyukuk

Land status

Ownership category State

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MASSIVE PYRRHOTITE ALTERING TO MARCASITE, ABUNDANT CHALCOPYRITE, SOME CASSITERITE AND RUTILE, TRACE SPHALERITE IN LAYERS AND VEINS UP TO 15 CM THICK; ANOMALOUS AS, CO, CU, SN AND ZN
Deposit SEE ALSO: DEPOSIT NO. 477 ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1986 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.