Ihly

Prospect in Alaska, United States with commodities Silver, Lead, Gold
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10001449
MRDS ID A012198
Record type Site
Current site name Ihly

Geographic coordinates

Geographic coordinates: -149.54167, 62.72151 (WGS84)
Relative position Location is on south fork of Gold Creek, 1 mileI (1.6 km) N of hill 3645, in extreme NE corner of Talkeetna Mountains C-6 quad; about 5 miles (8.0 km) ESE of Gold Creek (town); location accurate to within 1/4 mile (400 m) (Csejtey and Miller, 1978, loc. 31).

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 C-6(quadrangle 1:63,360 scale)

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

Talkeetna Mountains(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
Lead Primary
Gold Secondary

Comments on the commodity information

  • Gangue = Felspar

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrargyrite Ore
Pyrite Ore
Quartz Gangue

Alteration

  • (Local) Dike rock is altered.

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46
Model code 78
USGS model code 20c
Deposit model name Porphyry Cu-Au
Mark3 model number 34

Nearby scientific data

(1) -149.54167, 62.72151

Economic information

Comments on the geologic information

  • Geologic Description = Fractured felsic dikes in Lower Cretaceous(?) argillite are cut by quartz veins that contain argentiferous galena, pyrite, and chalcopyrite.

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 = Type of workings: Surface.

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Berg and Cobb, 1967

General comments

Subject category Comment text
Deposit Model Name = Polymetallic vein or porphyry Cu-Au? (Cox and Singer, 1986; model 22c or 20c?)
Deposit Other Comments = Discovered in 1950.

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.