Unnamed (upper Styx River)

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

Geologic information

Identification information

Deposit ID 10307758
Record type Site
Current site name Unnamed (upper Styx River)

Geographic coordinates

Geographic coordinates: -153.11405, 61.49947 (WGS84)
Relative position This occurrence adjoins a small tributary on the east side of the Styx River valley. The map site is at an elevation of about 4,600 feet, just north of the south boundary of the Lime Hills C-1 quadrangle, in the SW1/4 section 6, T 16 N, R 21 W, of the Seward Meridian. It is included as an unnamed occurrence by Cobb and Reed (1981). It is approximately located, perhaps within one-half mile.
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Geographic areas

Country State
United States Alaska


Commodity Importance
Silver Primary
Lead Primary
Zinc Primary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore

Mineral occurrence model information

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

Nearby scientific data

(1) -153.11405, 61.49947

Comments on the geologic information

  • Geologic Description = Cobb and Reed (1981) reported that silver-bearing veins with abundant galena and sphalerite are present in this area. Other information about the occurrence or its setting is not available.
  • Age = Tertiary Polymetallic mineralization in this region is commonly associated with Tertiary igneous rocks.

Economic information

Economic information about the deposit and operations

Development status Occurrence

Comments on exploration

  • Status = Inactive

Mining district

District name McGrath

Comments on the workings information

  • Workings / Exploration = Reconnaissance sampling has been done in this area.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Alaska Resource Data File ARDF LH021

Bibliographic references

  • Deposit

    Cobb, E.H., and Reed, B.L., 1981, Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in the Iliamna, Lake Clark, Lime Hills, and McGrath quadrangles, Alaska; Supplement to Open-File Report 76-485; Part A, Summaries to January 1, 1981: U.S. Geological Survey Open-File Report 81-1343-A, 25 p.

Comments on the references

  • Primary Reference = Cobb and Reed, 1981

General comments

Subject category Comment text
Deposit Model Name = Polymetallic veins? (Cox and Singer, 1986, model 22c)
Deposit Other Comments = This occurrence is within Lake Clark National Park.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-JUN-01 Travis L. Hudson Applied Geology
Reporter 10-JUN-01 Madelyn A. Millholland Millholland & Associates