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Thomas-Culross Mining Co.

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

Geologic information

Identification information

Deposit ID 10097489
MRDS ID A010555
Record type Site
Current site name Thomas-Culross Mining Co.
Alternate or previous names Claims: Bugaboo

Geographic coordinates

Geographic coordinates: -148.19646, 60.74205 (WGS84)
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Seward C-4 NE(quadrangle 1:24,000 scale)

Seward NE(quadrangle 1:100,000 scale)

Seward C(quadrangle 1:250,000 scale)

Federal lands

Chugach 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

Comments on the location information

  • DEPOSIT NUMBER IS THE MAP LOCATION NUMBER FROM MF-880A. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Lead Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Sphalerite Ore
Calcite Gangue
Chlorite Gangue
Pyrrhotite Gangue
Quartz Gangue

Alteration

  • (Local) Greenstone Is Altered Basalt

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Orca Group
    Rock description Orca Group

Nearby scientific data

(1) -148.19646, 60.74205
ListMap

Economic information

Ore body information

  • Strike SLOW
    Dip 90
    Thickness 0.91M
    Length 274.32M
    Width 0.36M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1907

Comments on the production information

  • A FEW TONS OF ORE WERE SHIPPED BEFORE 1914, THE TENOR IS UNKNOWN

Workings at the site

  • Type of workings Underground
    Name of workings CROSSCUT TUNNEL
    Length 42.67M

Comments on the workings information

  • ONE 140 FOOT CROSSCUT TUNNEL AND SEVERAL SHORT SHAFTS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit FISSURE FILLED WITH FRACTURED GREENSTONE AND LENSES, VEINLETS AND MASSES OF QUARTZ 4 TO 14 INCHES WIDE. QUARTZ SHOWS BANDING PARALLEL TO WALLS, COUNTRY ROCK IS IMPREGNATED WITH ARSENOPYRITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1984 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey
Editor 30-MAY-1995 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PARSED DATA INTO WORKINGS MULTIVALUED FIELDS

Beyond USGS

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

Maps centered on this site

Authoritative Alaska resources

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