Black Rapids Prospect

Occurrence in Alaska, United States with commodity Antimony
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 10001136
MRDS ID A011827
Record type Site
Current site name Black Rapids Prospect
Related records 10233990

Geographic coordinates

Geographic coordinates: -145.85275, 63.51272 (WGS84)
Location accuracy 2000(meters)

Site location context

Political divisions (FIPS codes)

Southeast Fairbanks(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Hayes C-4(quadrangle 1:63,360 scale)

Mount Hayes NE(quadrangle 1:100,000 scale)

Mount Hayes C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • APPROXIMATED FROM USGS OFR 79-238, FIG. 3, LOC. 7 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Antimony Critical Primary

Materials information

Materials Type of material
Stibnite Ore
Pyrite Gangue
Quartz Gangue

Analytical data

Result 36.46% SB IN ONE SAMPLE, USBM RI 4173, P. 36

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -145.85275, 63.51272

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Delta River

Land status

Ownership category State

Comments on the workings information

  • EXPLORED BY ADIT, OPENCUT AND STRIPPING; ADIT NOW CAVED

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit STRIPPING DID NOT UNCOVER ENOUGH MINERALIZATION TO ENCOURAGE DEVELOPMENT ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit 6 IN QUARTZ VEIN CONSISTS OF ABOUT 50% BLADED STIBNITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1985 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.

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.