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Fremming Prospect

Occurrence 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10094018
MRDS ID A012022
Record type Site
Current site name Fremming Prospect
Related records 10258543

Geographic coordinates

Geographic coordinates: -135.04345, 58.83336 (WGS84)

Site location context

Political divisions (FIPS codes)

Juneau(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Juneau D-4(quadrangle 1:63,360 scale)

Juneau NW(quadrangle 1:100,000 scale)

Juneau(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lynn Canal(hydrologic unit)

Northern 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

Comments on the location information

  • LOCATION OBTAINED FROM UNPUBLISHED MINES AND PROSPECTS MAP; SEE: USGS OFR 85-717, NO. J105 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
Sphalerite Ore
Calcite Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Berners Formation;Jualin Diorite
    Rock description Berners Formation;Jualin Diorite

Nearby scientific data

(1) -135.04345, 58.83336
ListMap

Economic information

Ore body information

  • Thickness 1.83M

Comments on the geologic information

  • COUNTRY ROCK IS GREENSCHIST INTRUDED BY SMALL DIORITE DIKES; QUARTZ-CALCITE STRINGERS IN BOTH SCHIST AND DIORITE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Juneau/Berners Bay

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 135.64M

Comments on the workings information

  • 85 FT SHAFT AND 360 FT CROSSCUT, CONNECTED BY A SHORT DRIFT

Comments on development

  • ACTIVE IN EARLY 1900'S; CLAIMS 1906-1946; 6 PATENTED LODE CLAIMS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 6 FT WIDE ZONE OF SULFIDE-BEARING SCHIST AND QUARTZ-CALCITE STRINGERS CARRYING PYRITE, CHALCOPYRITE, GALENA, SPHALERITE AND FREE GOLD
Deposit SEE ALSO: JUALIN MINE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1994 Mosier, Dan 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.