Dolly Varden Prospect

Occurrence in Alaska, United States with commodities Silver, Gold, Copper

Geologic information

Identification information

Deposit ID 10093907
MRDS ID A010038
Record type Site
Current site name Dolly Varden Prospect
Related records 10136612

Geographic coordinates

Geographic coordinates: -132.73652, 55.33029 (WGS84)
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Silver Primary
Gold Secondary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Tetrahedrite Ore

Alteration

  • (Local) Tetrahedrite Altered To Azurite And Malachite

Analytical data

Result UP TO 8.64 OZ/TON AG
Result 0.06 OZ/TON AU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble

Nearby scientific data

(1) -132.73652, 55.33029

Ore body information

  • Strike N10E
    Dip 80 NW
    Thickness 6.1M
    Length 9.14M

Comments on the geologic information

  • MARBLE HAS METASEDIMENT AND VOLCANIC INTERBEDS

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Ketchikan District

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 A010038

Bibliographic references

  • Deposit

    USGS BULL 347, P. 162.

  • Deposit

    ADGGS GEOLOGIC REPORT 17, P. 29.

  • Deposit

    USGS BULL 1246, P. 170.

  • Deposit

    ADGGS SPECIAL REPORT 1, P. 19

  • Deposit

    USGS MF 433

  • Deposit

    USGS OF 78-869, P. 59

General comments

Subject category Comment text
Deposit PROBABLY TOO LOW GRADE TO MINE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit ZONE OF QUARTZ STRINGERS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1983 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey