1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Porcupine River--ancient channel placer

Occurrence in Alaska, United States with commodities Tin, Boron-Borates, Lead, REE, Tungsten, Zinc
Map
XML
JSON
KML
C
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10003344
MRDS ID A106089
Record type Site
Current site name Porcupine River--ancient channel placer

Geographic coordinates

Geographic coordinates: -141.27802, 67.33292 (WGS84)
Relative position Location plotted is locality 3 of Barker (1981, p. 47) and 9a of Barker and Clautice (1978, p. 14), in abandoned stream drainage perched about 300 ft (91 m) above river level on south side of Porcupine River, midway between the junctions of Campbell River and Fred Creek, and about 9 mi (14.4 km) downstream from the Yukon border; located to within 1000 ft (305 m).

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Coleen B-1(quadrangle 1:63,360 scale)

Coleen SE(quadrangle 1:100,000 scale)

Coleen(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

Arctic National Wildlife Refuge(National Wildlife Refuge)

National Wildlife Refuge FWS(Type of land area)

FWS(Federal land areas administered by FWS)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Tin Critical Primary
Boron-Borates Secondary
Lead Secondary
REE Critical Secondary
Tungsten Critical Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Cassiterite Ore
Scheelite Ore
Tourmaline Ore

Nearby scientific data

(1) -141.27802, 67.33292
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Placer deposit in abandoned channel now perched 100-300 ft (30.5-91.5 m) above river level; probably derived from granitic igneous rocks 10-35 mi (16-56 km) upstream in Yukon Territory (Barker and Clautice, 1978, p.19, no.9).

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Sheenjek

Comments on the workings information

  • Workings / Exploration = Panned samples contained 10,000 ppm Zn, 5000 ppm Sn, and minor tungsten (Barker, 1981, p. 117-120).

Reference information

Bibliographic references

  • Deposit

    Barker, J.C., and Clautice, K.H., 1978, Mineral reconnaissance of the Porcupine River region: a summary report: U.S. Bureau of Mines Open-File Report 87-78, 20 p.

  • Deposit

    Barker, J.C., 1981, Mineral investigations in the Porcupine River drainage, Alaska: U.S. Bureau of Mines Open-File Report 27-81, 189 p., 2 sheets.

Comments on the references

  • Primary Reference = Barker (1981)

General comments

Subject category Comment text
Deposit Model Name = Placer, stream
Deposit Other Comments = See MAS/MILS Sequence # 0020330010 (USBM, 1995)

Reporter information

Type Date Name Affiliation Comment
Reporter 12-SEP-1996 J.H. Dover 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.