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Valparaiso Mine

Past Producer in Alaska, United States with commodities Gold, Silver, Copper, Lead, Zinc
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Geologic information

Identification information

Deposit ID 10100934
MRDS ID A010162
Record type Site
Current site name Valparaiso Mine
Alternate or previous names Dolomi Gold Mines Co., Claims: Jesse, Lakeside, Paul, Pauline
Related records 10282837

Geographic coordinates

Geographic coordinates: -132.09289, 55.14612 (WGS84)
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Tertiary
Lead Tertiary
Zinc Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Calcite Gangue
Muscovite Gangue
Pyrite Gangue

Analytical data

Result SAMPLES TAKEN FROM DUMP IN 1930'S RAN $5.50-$42.07/TON AU. RICHER ORE MINED EARLIER RAN $200-$250/TON AU.

Host and associated rocks

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

Nearby scientific data

(1) -132.09289, 55.14612
ListMap

Geologic structures

Type of structure Local
Structure description At Surface Ore Altered To Malachite, Azurite, Limonite.

Ore body information

  • Strike N55W
    Dip 30-50 NE
    Thickness 3.66M

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1900
Year of first production 1900
Year of last production 1933

Comments on the production information

  • PRODUCTION WAS INTERMITTENT FROM 1901 TO 1933, BUT NO DATA ON QUANTITY.

Comments on the workings information

  • MANY SURFACE CUTS AND SMALL SHAFTS.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010162

Bibliographic references

  • Deposit

    USGS PROFESSIONAL PAPER 1, P.82-84.

  • Deposit

    USGS BULL 259, P.65.

  • Deposit

    USGS BULL 314, P.62.

  • Deposit

    USGS BULL 347, P.173-174.

  • Deposit

    USGS BULL 592, P.80-81.

  • Deposit

    USGS BULL 1246 P.1747

  • Deposit

    ADGGS SPECIAL REPORT 1, P.24-26.

  • Deposit

    USGS MF 433.

  • Deposit

    USGS OF 78-869, P.214-215.

General comments

Subject category Comment text
Deposit SEVERAL VEINS, UP TO 12 FEET THICK. WALLROCK IS ALSO MINERALIZED. VEINS ARE MOSTLY QUARTZ, THOUGH SOME ARE MASSIVE SULFIDE.

Reporter information

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