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  3. Mineral Resource Data System (MRDS)

Brown Bear

Prospect in Alaska, United States with commodities Gold, Lead, Silver, Zinc
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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. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10209738
MRDS ID A000128
MAS/MILS ID 0020850114
Record type Site
Current site name Brown Bear
Alternate or previous names Brown Bear 1-2, Dominick Vietti Et Al., A. D. Thompson, Eureka 1-8, Norris Lead Zinc Inc.

Geographic coordinates

Point of reference Claim
Geographic coordinates: -147.37758, 61.08288 (WGS84)
Elevation 213
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Valdez-Cordova(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Anchorage A-2(quadrangle 1:63,360 scale)

Anchorage SE(quadrangle 1:100,000 scale)

Anchorage(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Eastern Prince William Sound(hydrologic unit)

Prince William Sound(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

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

Public Land Survey System information

Meridian Township Range Section Fraction State
Seward 012 N 012 E 32 NWSWSW Alaska

Commodities

Commodity Importance
Gold Tertiary
Lead Primary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Galena Unknown
Pyrite Unknown
Sphalerite Unknown
Galena Unknown
Pyrite Unknown
Sphalerite Unknown

Nearby scientific data

Claim (1) -147.37758, 61.08288
ListMap

Economic information

Ore body information

  • Strike N50E
    Dip 60E
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 TABULAR
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N50E:60E
    Date of Last Modification 881220
  • Strike N40E
    Dip 70S
    Width 0.2M
    Field Value
    MAS Matrix # 2
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 TABULAR
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N40E:70S
    Date of Last Modification 881220

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner Thompson, A. D.
    Interest 100
    Home office Alaska
    Year 1929

Comments on the workings information

  • CLAIMS ACTIVE CA. 1929, 1947 (KX 85-97). Workings consist of a 1.8 m.-long adit.

Reference information

Bibliographic references

  • Ownership

    ALASKA KARDEX 085-097

  • Deposit

    PE85-14 6 pp.

  • Deposit

    MR193-2 pp. 19-21.

  • Deposit

    BMOF69-73

  • Deposit

    MLA5-84 219 pp., (Locality A-12).

Comments on the references

  • PILGRIM, 1930 (UNPB TDM MAP)

Reporter information

Type Date Name Affiliation Comment
Reporter 20-DEC-1988 Dwb 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.