Unnamed

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

Geologic information

Identification information

Deposit ID 10001658
MRDS ID A012435
Record type Site
Current site name Unnamed

Geographic coordinates

Geographic coordinates: -155.63493, 63.50753 (WGS84)
Relative position Occurrence is situated on a northeast-facing spur of an isolated range of hills at an elevation of 2,000 feet (609 m) in Section 8, T. 23 S., R. 17 E., of the Kateel River Meridian. Location is estimated to be within about 500 feet (152 m).

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

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

Medfra N(quadrangle 1:100,000 scale)

Medfra(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Silver Primary
Lead Primary
Antimony Critical Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Galena Ore
Quartz Gangue

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Nearby scientific data

(1) Kkn

Economic information

Comments on the geologic information

  • Geologic Description = Quartz -galena vein cuts sheared argillite and hornfels (Patton and Moll, 1983). Surface samples contain values of 100 ppm Ag, more than 2 percent Pb, 700 ppm Sb, and 300 ppm Zn (Patton and Moll, 1983).

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name McGrath

Comments on the workings information

  • Workings / Exploration = The occurrence was first reported by U.S. Geological Survey personnel during an AMRAP investigation of the Medfra quadrangle (Patton and others, 1980). Surface samples contain 100 ppm Ag, more than 2 percent Pb, 700 ppm Sb, and 300 ppm Zn (Patton and Moll, 1983).

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Patton and Moll, 1983

General comments

Subject category Comment text
Deposit Model Name = Polymetallic Vein (Cox and Singer, 1986; model no. 22c)
Deposit Other Comments = See Won - North (MD021), Win (MD060), Gemini (MD023) and Won - South (MD024) prospects.

Reporter information

Type Date Name Affiliation Comment
Reporter 07-JUN-98 Bundtzen, T.K. Pacific Rim Geological Consulting

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.