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  3. Mineral Resource Data System (MRDS)

North Carolina

Prospect in Alaska, United States with commodities Gold, Antimony
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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. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10000697
MRDS ID A011328
Record type Site
Current site name North Carolina
Alternate or previous names Antimony Creek

Geographic coordinates

Geographic coordinates: -149.4217, 63.10152 (WGS84)
Relative position The North Carolina (Antimony Creek) prospect is at an elevation of about 3,600 feet on a spur north of upper Antimony Creek, a tributary of the East Fork Chulitna River. The map site is 0.5 mile southwest of VABM 4780 (Antimony), in sec. 14, T. 21 S., R. 10 W., of the Fairbanks Meridian. The location is accurate to within 1,000 feet. This is locality 28 and 29 of Cobb (1978: OFR 78-1062).

Site location context

Political divisions (FIPS codes)

Matanuska-Susitna(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Healy A-5(quadrangle 1:63,360 scale)

Healy S(quadrangle 1:100,000 scale)

Healy(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Chulitna 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
Gold Primary
Antimony Critical Primary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Stibnite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) The stibnite is oxidized to stibiconite and kermesite.

Mineral occurrence model information

Model code 180
USGS model code 27d
Deposit model name Simple Sb (veins, pods, etc)

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) Kfy
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = The country rocks in the area of the prospect consist mainly of Lower Cretaceous and Upper Jurassic, intensely deformed, metamorphosed flysch, probably several thousand meters thick (Wilson and others, 1998). The strata are intruded by felsite dikes, and a pyroxenite plug. The deposit consists of auriferous quartz-pyrite-stibnite veins that cut the flysch. A little gold also occurs in the margins of the felsite dikes. Samples contain up to 37.5% antimony and 6 ppm gold (Hawley and others, 1968), and up to 28% antimony and 520 ppb gold (Balen, 1990: OFR 34-90).
  • Age = Veins cut Upper Jurassic to Lower Cretaceous metasedimentary rocks.

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 production information

  • Production Notes = In 1919 approximately 3 tons of ore was stockpiled but never shipped.

Comments on the workings information

  • Workings / Exploration = The property was explored in 1918 by two short tunnels. Samples contain up to 37.5% antimony and 6 ppm gold (Hawley and others, 1968), and up to 28% antimony and 520 ppb gold (Balen, 1990: OFR 34-90).

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Capps, 1919

General comments

Subject category Comment text
Deposit Model Name = Simple Sb (Cox and Singer, 1986; model 27d)

Reporter information

Type Date Name Affiliation Comment
Reporter 07-APR-2000 N. Van Wyck Stevens Exploration Management 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.