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Spud

Prospect in Alaska, United States with commodities Silver, 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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10000178
MRDS ID A010214
Record type Site
Current site name Spud

Geographic coordinates

Geographic coordinates: -131.98183, 56.47975 (WGS84)
Relative position The approximate location of the Spud prospect, known chiefly from U.S. Bureau of Mines claim records (U.S. Bureau of Mines, 1979), is in Section 21 at an elevation of about 2300 feet. It is below the toe of Nelson Glacier, about 1.8 mile north-northeast of Berg Mountain (Elliott and Koch, 1981, p. 7, loc. 1). This location is probably accurate within about a quarter of a mile.

Site location context

Political divisions (FIPS codes)

Wade Hampton(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bradfield Canal B-6(quadrangle 1:63,360 scale)

Bradfield Canal SW(quadrangle 1:100,000 scale)

Bradfield Canal(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

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
Silver Primary
Lead Primary
Zinc Critical Primary

Comments on the commodity information

  • Ore Material = Sulfide minerals

Materials information

Materials Type of material
Calcite Gangue

Host and associated rocks

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

Nearby scientific data

(1) -131.98183, 56.47975
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = The country rocks in the general area of the Spud prospect (Koch, 1996, 1997) are Mesozoic or Paleozoic pelitic schist and paragneiss, and subordinate amphibolite and marble. The Spud deposit has been described as a sulfide replacement in marble (Elliott and Koch, 1981, loc. 1). No other geological information about this prospect has been made public.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Petersburg

Comments on the workings information

  • Workings / Exploration = Some diamond drilling and probably some minor trenching.

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Elliott and Koch, 1981

Reporter information

Type Date Name Affiliation Comment
Reporter 17-MAY-1998 H. C. Berg U.S. Geological Survey

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.