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  3. Mineral Resource Data System (MRDS)

Bonanza Creek Placer

Occurrence in Alaska, United States with commodities Gold, 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. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10002740
MRDS ID A015191
Record type Site
Current site name Bonanza Creek Placer
Related records 10160535

Geographic coordinates

Geographic coordinates: -151.34532, 65.3246 (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

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

Tanana SE(quadrangle 1:100,000 scale)

Tanana C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

Doyon, Limited(ANCSA Region)

ANCSA Region NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-371, LOC. 18. STREAM PLACER EXTENDS FOR 900 FT. UPSTREAM FROM CONFLUENCE OF BONANZA AND MORELOCK CREEKS. COORDINATES GIVEN FOR CENTER OF DEPOSIT. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Tin Critical Primary

Materials information

Materials Type of material
Gold Ore
Ilmenite Gangue
Magnetite Gangue
Cassiterite Unknown

Analytical data

Result .00973 OZ. AU AND .0443 LB SN PER CUBIC YD. IN U.S.B.M. DRILL HOLES

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -151.34532, 65.3246
ListMap

Economic information

Comments on the geologic information

  • WEATHERING AND EROSION PRODUCED NATURAL RIFFLES IN BEDROCK, IDEAL FOR TRAPPING HEAVY CONSTITUENTS OF THE GRAVEL. ; MAJOR.UNITS: BEDROCK IS SCHIST, GREENSTONE, CHERTY DOLOMITE AND LIMESTONE, AND ABUNDANT MILKY QUARTZ VEINS WITHOUT METALLIC MINERALS.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Melozitna

Comments on development

  • ALL WORK WAS PROSPECTING, RATHER THAN MINING. PROSPECTED AND DRILLED BY THE U.S.B.M.

Reference information

Bibliographic references

  • Deposit

    USGS MF-371 (B-3), LOC. 18

  • Deposit

    USGS OF 239, P. 5-12.

General comments

Subject category Comment text
Deposit GOLD AND CASSITERITE IN BOTTOM FEW INCHES OF GRAVEL, OR IRREGULAR SURFACE OF BEDROCK, AND IN CREVICES IN TOP FEW INCHES OF WEATHERED BEDROCK GOLD AND TIN BEARING GRAVELS EXTEND AT LEAST 900 FT. UPSTREAM FROM MOUTH. 5-6 FT. OF GRAVEL OVERLAIN BY 2-3 FT. OF SILT.
Deposit STREAM GRADIENT ABOUT 200 FT. PER MILE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1987 Powers, M.T. (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.