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  3. Mineral Resource Data System (MRDS)

Saturn

Prospect in Alaska, United States with commodities Zinc, Silver, Copper
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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. 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 10307885
Record type Site
Current site name Saturn

Geographic coordinates

Geographic coordinates: -153.66283, 62.28948 (WGS84)
Relative position The Saturn prospect is situated on an east-west ridgeline that divides an unnamed, northwest-flowing tributary leading into Smith Lake from an unnamed, east-flowing tributray of Post River; it is at an elevation of 5,350 feet (1,631 m) in the SE1/4 sec. 35, T. 26 N., R. 24 W., of the Seward Meridian. The location is based on maps supplied by Brewer and others (1992), and is only approximately known.

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

McGrath B-2(quadrangle 1:63,360 scale)

McGrath SE(quadrangle 1:100,000 scale)

McGrath(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Kuskokwim River(hydrologic accounting unit)

Southwest(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Cook Inlet Region, Incorporated(ANCSA Region)

ANCSA Region NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Zinc Critical Primary
Silver Secondary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrrhotite Ore
Sphalerite Ore

Alteration

  • (Local) Sericite in granite intrusion.

Mineral occurrence model information

Model code 60
USGS model code 18c
Deposit model name Skarn Zn-Pb
Mark3 model number 22

Nearby scientific data

(1) -153.66283, 62.28948
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = The Saturn Prospect consists of discontinuous layers of massive to semi-massive sphalerite and pyrrhotite within a 300 meter by 10 meter wide skarn zone in limestone of the Barren Ridge Limestone, a unit of the Dillinger subterrane (Bundtzen Harris, and Gilbert, 1997). The limestone is adjacent to highly altered, Late Cretaceous, Veleska Lake Volcanic field, which has in turn been intruded by a weakly mineralized granite porphyry pluton about 300 meters from the prospect (Bundtzen, Kline, and Clough, 1982). . Results of limited grab samples conducted by North Pacific Mining Company show values ranging up to 0.3 percent copper, 20.9 percent zinc, and 9.3 grams/tonne silver (Brewer and others, 1992).
  • Age = Unknown; may be related to dated Tertiary intrusions of area (Solie and others, 1991).

Economic information about the deposit and operations

Development status Prospect

Comments on exploration

  • Status = Inactive

Mining district

District name McGrath

Comments on the workings information

  • Workings / Exploration = The Saturn prospect was discovered by the Anaconda Minerals Company in 1980 or 1981 (Brewer and others, 1992). Results of limited grab samples collected by North Pacific Mining Company show values of up to 0.3 percent copper, 20.9 percent zinc, and 9.3 grams/tonne silver (Brewer and others, 1992).

Reference information

Comments on the references

  • Primary Reference = Brewer and others, 1992

General comments

Subject category Comment text
Deposit Model Name = Low temperature lead-zinc skarn (Cox and Singer, 1986; model 18c).

Reporter information

Type Date Name Affiliation Comment
Reporter 20-APR-99 T.K. Bundtzen Pacific Rim Geological Consulting

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.