Unnamed (west tributary to upper Little Falls Creek)

Prospect in Alaska, United States with commodities Silver, Gold, Copper
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. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10094024
MRDS ID A012165
Record type Site
Current site name Unnamed (west tributary to upper Little Falls Creek)
Alternate or previous names Unnamed

Geographic coordinates

Geographic coordinates: -148.46967, 62.48265 (WGS84)
Relative position In extreme NW corner of Talkeetna Mountains B-3 quad, NE of Talkeetna River; about 6 1/2 mi (10.4 km) W of head of John Creek; location accurate to within 1/4 mi (400 m) (Csejtey and Miller, 1978, loc. 50).

Site location context

Political divisions (FIPS codes)

Matanuska-Susitna(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Talkeetna Mountains B-3(quadrangle 1:63,360 scale)

Talkeetna Mountains SE(quadrangle 1:100,000 scale)

Talkeetna Mountains C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Talkeetna River(hydrologic unit)

Susitna River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Silver Primary
Gold Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Pyrrhotite Ore

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Nearby scientific data

(1) -148.46967, 62.48265

Economic information

Comments on the geologic information

  • Geologic Description = Host rock is gneissic quartz diorite of Jurassic age. Sulfides disseminated in inclusions of biotite schist in Fe-stained gneiss.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Yentna

Comments on the workings information

  • Workings / Exploration = 190 ppm Cu in stream-sediment sample; rock chips have less than 0.06% Cu and a trace of Au and Ag (Rose, 1967).

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Rose, 1967

General comments

Subject category Comment text
Deposit Model Name = Gold-quartz veins? (Cox and Singer, 1986; model 36a?)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1996 Riehle, J. 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.