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  3. Mineral Resource Data System (MRDS)

Unnamed Copper-Silver Occurrence

Occurrence in Alaska, United States with commodities Copper, Silver, 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. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10002441
MRDS ID A013363
Record type Site
Current site name Unnamed Copper-Silver Occurrence

Geographic coordinates

Geographic coordinates: -132.81468, 57.28669 (WGS84)
Elevation 1570
Relative position SUMMIT OF PEAK 5150, 6.0 MI. E OF HEAD OF FARRAGUT LAKE.

Site location context

Political divisions (FIPS codes)

Wade Hampton(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

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

Sumdum S(quadrangle 1:100,000 scale)

Sumdum(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 OF 432, LOC. 78; USGS MF-425, LOC. 21 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 Tertiary
Silver Tertiary
Gold Tertiary

Materials information

Materials Type of material
Bornite Ore
Gold Ore
Epidote Gangue
Quartz Gangue

Analytical data

Result QUARTZ DIORITE SAMPLE AMG-780: 100 PPM CU, 10 PPM AG, 0.6 PPM AU-REF. 1, P. 14, 15, 17

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite

Nearby scientific data

(1) -132.81468, 57.28669
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1969
Discoverer Clark And Others

Mining district

District name Petersburg

Land status

Ownership category National Forest

Comments on development

  • SAMPLED BY USGS IN 1969

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit QUARTZ EPIDOTE BORNITE VEINLET IN BIOTITE HORNBLENDE QUARTZ DIORITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-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.