August

Prospect in Alaska, United States with commodities Copper, Silver
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 10001424
MRDS ID A012170
Record type Site
Current site name August
Alternate or previous names August Claims 1-8

Geographic coordinates

Geographic coordinates: -147.93275, 62.84961 (WGS84)
Relative position N side of Susitna River, 5 1/2 mi (8.8 km) NW of confluence with Jay Creek; location accurate to within 1/4 mi (400 m) (MacKevett and Holloway, 1977, loc. 28; Csejtey and Miller, 1978, loc. 25).

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 D-2(quadrangle 1:63,360 scale)

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

Talkeetna Mountains(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Susitna 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
Copper Primary
Silver Secondary

Comments on the commodity information

  • Gangue = Carbonate

Materials information

Materials Type of material
Azurite Ore
Chalcopyrite Ore
Malachite Ore

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27
Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Nearby scientific data

(1) -147.93275, 62.84961

Economic information

Comments on the geologic information

  • Geologic Description = Sulfides in shear zone at contact between brecciated metabasalt of Triassic age and interbedded meta-volcanic rocks, argillite, and marble of Paleozoic age.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Valdez Creek

Comments on the workings information

  • Workings / Exploration = Workings include trenches and drill holes. 1.4% Cu and 1.5 ppm Ag in analyses of rock samples reported by Balen (1990).

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = MacKevett and Holloway, 1977

General comments

Subject category Comment text
Deposit Model Name = Gold-quartz vein or polymetallic vein? (Cox and Singer, 1986; model 36a or 22c?)

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.