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  3. Mineral Resource Data System (MRDS)

Tramway Bar Placer

Past Producer in Alaska, United States with commodity Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10097501
MRDS ID A011048
Record type Site
Current site name Tramway Bar Placer
Related records 10184500

Geographic coordinates

Geographic coordinates: -150.49773, 67.088 (WGS84)
Relative position ABOUT .5 MI S CHAPMAN ISLAND, N SIDE OF MIDDLEFORK.

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 A-1(quadrangle 1:63,360 scale)

Wiseman SE(quadrangle 1:100,000 scale)

Wiseman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

BLM(Federal land areas administered by BLM)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
026N 013W 07 Alaska

Comments on the location information

  • PLACER WITHIN .5 MI RADIUS OF LOCATION. 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

Comments on the commodity information

  • COARSE GOLD THROUGHOUT GRAVEL, FINE GOLD ON TOP OF FALSE BEDROCK.

Materials information

Materials Type of material
Gold Ore

Analytical data

Result FINENESS 883.

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -150.49773, 67.088
ListMap

Economic information

Ore body information

  • Depth to bottom 1.22M

Comments on the geologic information

  • GEOL.COM: GRAVEL CONTAINS NUMEROUS BOULDERS. LITHOLOGIES INCLUDE MICA AND GRAPHITE SCHIST, GREENSTONE, QUARTZ, QUARTZ DIORITE, GNEIOS, ARTIC CONGLOMERATE, CHERT, QUARTZITE ; MAJOR.UNITS: PLACER RESTS ON A CONGLOMERATE WITH QUARTZ PEBBLE AND FINE SAND MA TRIX.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Koyukuk District

Land status

Ownership category BLM Administrative Area

Comments on the production information

  • AVE. VALUE WAS 31 CENTS PER SQ FT. GRADE CALCULATED USING ARE DEPTH OF 4 FT.

Workings at the site

  • Type of workings Surface
    Name of workings PLACER
    Length 11265.1M
    Width 15.24M

Comments on the workings information

  • PLACER WORKINGS ABOUT 7 MI LONG AND 50 FT WIDE. ALONG N SIDE OF RIVER.

Comments on development

  • EXPL.COM: GROUND SLUICING, ROCKERS; DISCOVERED BETWEEN 1885-1890

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit AVE. DEPTH IS 4 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-84 Bliss, James D. U.S. Geological Survey
Editor 14-APR-95 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PUT DIMENSION DATA INTO THE ORE BODY FIELDS FROM THE DEPOSIT COMMENTS FIELD.
Editor 14-APR-95 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PUT DIMENSION DATA INTO THE WORKINGS FIELDS FROM THE COMMENTS FIELD.

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.