Unnamed (east of upper Trail Creek)

Occurrence in Alaska, United States with commodities Lead, Silver, Zinc

Geologic information

Identification information

Deposit ID 10000744
MRDS ID A011384
Record type Site
Current site name Unnamed (east of upper Trail Creek)
Alternate or previous names Unnamed

Geographic coordinates

Geographic coordinates: -143.2337, 62.61413 (WGS84)
Relative position Best location: Richter and Schmoll, 1973, USGS GQ 1062, loc. 2. Accurate within 100 ft radius
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Lead Primary
Silver Primary
Zinc Primary

Comments on the commodity information

  • Gangue = carbonate minerals

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -143.2337, 62.61413

Comments on the geologic information

  • Geologic Description = Small quartz carbonate veins containing galena, sphalerite, and tetrahedrite in border zone of small diorite porphyry stock of Cretaceous-Tertertiary age that intrudes thin-bedded Triassic limestone.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chisana

Comments on the workings information

  • Workings / Exploration = Type of workings: surface

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011384
USGS Alaska Resource Data File ARDF NB013

Bibliographic references

  • Deposit

    Richter, D.H., and Schmoll, 1973, Geologic Map of the Nabesna C-5 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1062, scale 1:63,360.

  • Deposit

    Richter, D.H., Singer, D.A., and Cox, D.P., 1975, Mineral resources map of the Nabesna quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-655-K, scale 1:250,000.

Comments on the references

  • Primary Reference = Richter and Schmoll, 1973, USGS GQ-1062

General comments

Subject category Comment text
Deposit Model Name = Lode: vein

Reporter information

Type Date Name Affiliation Comment
Reporter 06-FEB-1997 Leonard, K.R. U.S. Geological Survey
Reporter 06-FEB-1997 Elliott, R.L. U.S. Geological Survey
Reporter 06-FEB-1997 Richter, D.H. U.S. Geological Survey