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  3. Mineral Resource Data System (MRDS)

Smog

Occurrence in Alaska, United States with commodities Lead, Zinc, Silver, Gold, 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 10307554
Record type Site
Current site name Smog

Geographic coordinates

Geographic coordinates: -147.39284, 63.98965 (WGS84)
Relative position This occurrence is at an elevation of about 4,200 feet, on the north side of an east-flowing tributary to upper Slide Creek. The map site is about 1.7 miles northeast of VABM 6463 (Art), in the SE1/4 of sec. 5, T. 11 S., R. 2 E., of the Fairbanks Meridian. The location is accurate to within 1.5 miles. This is locality 6 of Cox and others (1989).

Site location context

Political divisions (FIPS codes)

Southeast Fairbanks(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

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

Mount Hayes NW(quadrangle 1:100,000 scale)

Healy(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Secondary
Gold Secondary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Chlorite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Footwall alteration zones contain chlorite and sericite.

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Nearby scientific data

(1) -147.39284, 63.98965
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = The country rock in the area of this occurrence is the Lower Mississippian to Middle Devonian Totatlanika Schist. The deposit is in schist and consists of lenses of massive chalcopyrite, galena, pyrite, and sphalerite, accompanied by chlorite, quartz, and sericite (www.grayd.com, 1999).
  • Age = the deposit is interpretted to have formed synchronously with the deposition of the mid-Paleozoic protoliths of the Totatlanika Schist.

Economic information about the deposit and operations

Development status Occurrence

Comments on exploration

  • Status = Active?

Mining district

District name Bonnifield

Comments on the workings information

  • Workings / Exploration = Surface workings only.

Reference information

Bibliographic references

  • Deposit

    Cox, D.P., Light, T.D., Csejtey, Bela, Jr., and Campbell, D.L., 1989, Mineral resource assessment map of the Healy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map, MF-2058-A, scale 1:250,000.

  • Deposit

    www.grayd.com, 1999.

Comments on the references

  • Primary Reference = Cox and others, 1989

General comments

Subject category Comment text
Deposit Model Name = Kuroko massive sulfide (Cox and Singer, 1986; model 28a)

Reporter information

Type Date Name Affiliation Comment
Reporter 07-APR-00 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.