Twelvemile Prospect

Prospect in Alaska, United States with commodity Gold
Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10308555
Record type Site
Current site name Twelvemile Prospect

Geographic coordinates

Geographic coordinates: -144.31593, 65.71476 (WGS84)
Relative position Twelvemile Prospect is located along the north side of the Steese Highway near Twelvemile House, on the east side of Birch Creek, in the NE1/4 sec.12, T. 10 N., R. 16 E.

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Circle C-1(quadrangle 1:63,360 scale)

Circle NE(quadrangle 1:100,000 scale)

Circle(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

NTVALL(Federal land areas administered by NTVALL)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Nearby scientific data

(1) -144.31593, 65.71476

Economic information

Comments on the geologic information

  • Geologic Description = Twelvemile Prospect is a placer Au prospect consists of gold-bearing quartz fragments in well-rounded and well-sorted alluvial gravels (R. Vetter, oral commun., 1998).

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Circle

Reference information

Comments on the references

  • Primary Reference = R. Vetter, oral commun., 1998.

General comments

Subject category Comment text
Deposit Model Name = Placer gold deposit (Cox and Singer, 1986; model 39a)

Reporter information

Type Date Name Affiliation Comment
Reporter 06-JUL-1998 C.J. Freeman, J.R. Guidetti Schaefer, A.S. Clements Avalon Development Corporation

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.