York Cr., West Fork Placer

Occurrence in Alaska, United States with commodities Tin, Tungsten, Molybdenum
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. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10003236
MRDS ID A016053
Record type Site
Current site name York Cr., West Fork Placer

Geographic coordinates

Geographic coordinates: -167.11175, 65.56649 (WGS84)

Site location context

Political divisions (FIPS codes)

Nome(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Teller C-5(quadrangle 1:63,360 scale)

Teller NE(quadrangle 1:100,000 scale)

Teller(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Shishmaref(hydrologic unit)

Northern Seward Peninsula(hydrologic accounting unit)

Northwest(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Diomede Native Corporation(ANCSA Village)

ANCSA Village NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USBM RI 5520, FIG. 4, CHURN-DRILL HOLES 7-9. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Tin Critical Tertiary
Tungsten Critical Tertiary
Molybdenum Tertiary

Materials information

Materials Type of material
Barite Gangue
Biotite Gangue
Calcite Gangue
Chlorite Gangue
Epidote Gangue
Garnet Gangue
Limonite Gangue
Quartz Gangue
Tourmaline Gangue
Powellite Unknown
Scheelite Unknown

Analytical data

Result TRACE SN IN SAMPLES

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -167.11175, 65.56649

Economic information

Ore body information

  • Thickness 3.66M

Comments on the geologic information

  • MAJOR.UNITS: BEDROCK SAMPLE: SHALE AND QUARTZ, WITH CALCITE AND TRACES OF LIMONITE AND PYRITE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1901

Comments on development

  • USBM CHURN-DRILLING: 1957.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Deposit TRACES OF SCHEELITE AND POWELLITE IN CHURN-DRILL CONCENTRATES; DEPTH OF GRAVEL: 7.5 - 12.0 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-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.

Authoritative Alaska resources

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