Ptarmigan Creek

Occurrence in Alaska, United States with commodity Zinc

Geologic information

Identification information

Deposit ID 10113126
MRDS ID A013151
MAS/MILS ID 0021110024
Record type Site
Current site name Ptarmigan Creek
Related records 10002249

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -136.89102, 58.86912 (WGS84)
Elevation 606
Location accuracy 500(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 035 S 051 E 03 SENENE Alaska

Commodities

Commodity Importance
Zinc Primary

Materials information

Materials Type of material
Arsenopyrite Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -136.89102, 58.86912

Ore body information

  • Area 10HA
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 LENTICULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 UNKNOWN
    Total Surface Area (HA) 10
    Date of Last Modification 830408

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1940

Mining district

District name Juneau District

Mineral rights holdings

Type of mineral rights Minerals Only

Land status

Ownership category National Wilderness

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0021110024
USGS Mineral Resources Data System MRDS A013151 MAS references MRDS

Bibliographic references

  • Deposit

    B1058B pp. 55-56

  • Deposit

    P632 p. 54

  • Deposit

    MF436

  • Deposit

    OF78-316 p. 47

General comments

Subject category Comment text
Deposit ASSAY OF SAMPLE: O.16 OZ. GOLD, 0.30 OZ. AG., 0.79 O/O ZN. NO ALASKA KARDEX. DISCONTINUOUS LENTICULAR QUARTZ VEIN EXPOSED IN FAULT ZONE FOR A LENGTH OF ABOUT 200 FT. FAULT CAN BE TRACED FOR 4,500 FT TO SW; WALL ROCK ALTERED ALONG ENTIRE LENGTH.

Reporter information

Type Date Name Affiliation Comment
Reporter 12-FEB-1988 Rdc U.S. Bureau of Mines