Mariposa Ridge Occurrence

Occurrence in Alaska, United States with commodities Lead, Zinc, Silver, Barium-Barite, Gold

Geologic information

Identification information

Deposit ID 10001345
MRDS ID A012086
Record type Site
Current site name Mariposa Ridge Occurrence

Geographic coordinates

Geographic coordinates: -134.677, 58.09835 (WGS84)
Location accuracy 2000(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • APPROXIMATED FROM USGS OFR 85-717, NO. J079 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Lead Primary
Zinc Primary
Silver Primary
Barium-Barite Secondary
Gold Tertiary

Materials information

Materials Type of material
Quartz Gangue

Analytical data

Result VEIN SAMPLE: 0.7% PB, 0.3% ZN, 0.25 PPM AG
Result META-VOLCANIC SAMPLE: 0.5% BA,TR,AS,AG,AU

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -134.677, 58.09835

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both metallic and non-metallic
Deposit size Small
Significant No
Discovery year 1983

Mining district

District name Admiralty

Land status

Ownership category National Forest

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012086

Bibliographic references

  • Deposit

    USGS OFR 85-717, P. 92

  • Other Database

    BAG-OFR-85-717-079

General comments

Subject category Comment text
Deposit SHEAR ZONE IN DOLOMITE WITH MARIPOSITE AND QUARTZ STRINGERS; NEARBY META-VOLCANIC UNIT ALSO SHEARED AND SPARSELY MINERALIZED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1986 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1994 Mosier, Dan U.S. Geological Survey