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

Twelvemile Prospect

Occurrence in Alaska, United States with commodity Gold
Map
XML
JSON
KML
E
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. Mineral occurrence model information
  7. Nearby scientific data
  8. Ore body information
  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 10003678
MRDS ID A106450
Record type Site
Current site name Twelvemile Prospect

Geographic coordinates

Geographic coordinates: -144.31571, 65.71448 (WGS84)
Relative position SEE LOCATION COMMENTS

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

Comments on the location information

  • 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.

Commodities

Commodity Importance
Gold Primary

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) -144.31571, 65.71448
ListMap

Economic information

Ore body information

  • General form SEE DEPOSIT DESCRIPTION COMMENTS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on exploration

  • Status = Inactive

Mining district

District name Circle

Reference information

General comments

Subject category Comment text
Deposit 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).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-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.

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.