1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Minnesota Ridge

Occurrence in Alaska, United States with commodities Copper, Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10282445
MRDS ID A013119
MAS/MILS ID 0021090006
Record type Site
Current site name Minnesota Ridge
Related records 10002218

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -136.27571, 59.00803 (WGS84)
Elevation 758
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Hoonah-Angoon(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Skagway A-4(quadrangle 1:63,360 scale)

Skagway SE(quadrangle 1:100,000 scale)

Skagway C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Glacier Bay(hydrologic unit)

Northern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Glacier Bay National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 033 S 055 E 17 SWSWNE Alaska

Commodities

Commodity Importance
Copper Primary
Gold Tertiary

Materials information

Materials Type of material
Albite Unknown
Andesine Unknown
Biotite Unknown
Chalcopyrite Unknown
Chlorite Unknown
Epidote Unknown
Goethite Unknown
Hornblende Unknown
Magnetite Unknown
Oligoclase Unknown
Orthoclase Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown
Sericite Unknown
Sphene Unknown
Zircon Unknown

Nearby scientific data

Ore Body (1) -136.27571, 59.00803
ListMap

Economic information

Ore body information

  • Area 10HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 SHEAR ZONE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control FRACTURING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 PYRITIZATION
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 10
    Date of Last Modification 830408

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1966

Mining district

District name Juneau District

Mineral rights holdings

Type of mineral rights Minerals Only

Land status

Ownership category National Wilderness

Reference information

Bibliographic references

  • Deposit

    P632 p. 43

  • Deposit

    OF78-316 p. 98

  • Deposit

    OF78-494 pp. C310-C313, plates 1A, 1B, 2

Reporter information

Type Date Name Affiliation Comment
Reporter 25-JUL-1989 Wlg U.S. Bureau of Mines

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.