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  3. Mineral Resource Data System (MRDS)

Unnamed Silver Occurrence

Occurrence in Alaska, United States with commodity 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. Host and associated rocks
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Land status
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10002410
MRDS ID A013329
Record type Site
Current site name Unnamed Silver Occurrence
Related records 10209412

Geographic coordinates

Geographic coordinates: -133.48612, 57.80725 (WGS84)
Elevation 1173
Relative position 1.8 MI. W OF MT. SUMDUM

Site location context

Political divisions (FIPS codes)

Hoonah-Angoon(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sumdum D-5(quadrangle 1:63,360 scale)

Sumdum N(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)

Tracy Arm-Fords Terror Wilderness(Wilderness)

Wilderness 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 B 1525, FIG. 66, SAMPLE NO. 4S364. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Silver Primary

Analytical data

Result 0.8 FT. CHANNEL SAMPLE IN QUARTZ VEIN ASSAYED 30 PPM AG-USGS B 1525, P. 179, SAMPLE 4S364

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -133.48612, 57.80725
ListMap

Economic information

Comments on the geologic information

  • NEAR CONTACT WITH HORNBLENDE SCHIST AND AMPHIBOLITE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1973
Discoverer Brew And Others

Mining district

District name Petersburg

Land status

Ownership category National Forest

Comments on the workings information

  • OCCURRENCE ONLY

Comments on development

  • SAMPLED BY USBM-USGS BETWEEN 1972 AND 1975.

Reference information

Bibliographic references

  • Deposit

    USGS B 1525, P. 179, FIG. 66, SAMPLE NO. 4S364 (1984)

  • Other Database

    BAG-B-1525-FIG-66-4S364

General comments

Subject category Comment text
Deposit Discovery Year: 1972-75
Deposit QUARTZ VEIN IN BIOTITE SCHIST ASSAYED 30 PPM AG.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 Leonard, Kenneth R. (Huber, Donald 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.