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  3. Mineral Resource Data System (MRDS)

Unnamed Occurrence

Occurrence in Alaska, United States with commodities Copper, Zinc, Silver, Tin
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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 10001258
MRDS ID A011977
Record type Site
Current site name Unnamed Occurrence

Geographic coordinates

Geographic coordinates: -152.7684, 67.40547 (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-6(quadrangle 1:63,360 scale)

Wiseman SW(quadrangle 1:100,000 scale)

Wiseman(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. 224 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
Zinc Critical Primary
Silver Secondary
Tin Critical Secondary

Materials information

Materials Type of material
Cassiterite Ore
Malachite Ore

Analytical data

Result SAMPLE 224: 20 PPM AG, 2000 PPM B, 5000 PPM CU, 200 PPM SB, 700 PPM SN, 1500 PPM ZN (340 PPM BY AA), SEMIQUANT. SPEC. DATA
Result SAMPLE 288: 2 PPM AG, 150 PPM SN, 1500 PPM ZN (5.0 PPM BY AA), SEMIQUANT. SPEC. DATA, COMPOSITE SAMPLE OF CASSITERITE (?) BEARING SKARN
Result ADGGS OFR 133 B, TABLE 2

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Ernie Lake Pluton;Ernie Lake Pluton
    Rock description Ernie Lake Pluton;Ernie Lake Pluton

Nearby scientific data

(1) DPxsgm
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 Koyukuk

Land status

Ownership category State

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit CASSITERITE (?)-BEARING SKARN AND MALACHITE AND AZURITE STAINED SULFIDE-BEARING METAIGNEOUS ROCKS AT OR NEAR CONTACT OF GRANITE [ERNIE LAKE PLUTON] WITH CALCAREOUS ROCKS

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.