Valparaiso Mine

Past Producer in Alaska, United States with commodities Gold, Silver, Copper, Lead, Zinc
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

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)

Site location context

Political divisions (FIPS codes)

Prince of Wales-Hyder(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Craig A-1(quadrangle 1:63,360 scale)

Craig SE(quadrangle 1:100,000 scale)

Craig(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Prince of Wales(hydrologic unit)

Southern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Commodities

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

Economic information

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 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

Bibliographic references

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.