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  3. Mineral Resource Data System (MRDS)

Unnamed Occurrence

Occurrence in Alaska, United States with commodities Copper, 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. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10001223
MRDS ID A011936
Record type Site
Current site name Unnamed Occurrence
Alternate or previous names Mathews Dome

Geographic coordinates

Geographic coordinates: -151.48255, 67.473 (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

  • BEST LOCATION: ADGGS GC 25, SAMPLE 135 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
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Bornite Ore
Malachite Ore

Analytical data

Result UP TO .1 PPM AU, 0.3-4.1 PPM AG, 18-6900 PPM CU, ADGGS GC 25, TABLE 1, SAMPLES 134-6

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -151.48255, 67.473
ListMap

Economic information

Comments on the geologic information

  • BEDROCK MAPPED AS DEVONIAN PHYLLITE AND SCHIST UNIT WITH LIMESTONE MEMBER

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 VISIBLE BORNITE AND MALACHITE IN SAMPLES OF CALC-SCHIST AND VEIN QUARTZ; TRACE PRECIOUS METAL VALVES DETECTED IN ANALYSIS
Deposit MINOR CU OCCURRENCE WITH TRACE PRECIOUS METAL CONTENT; SEE ALSO: LAKE CREEK PLACER ; 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

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.