Chamberlain Bay

Prospect in Alaska, United States with commodities Cobalt, Copper

Geologic information

Identification information

Deposit ID 10282764
MAS/MILS ID 0020950368
Record type Site
Current site name Chamberlain Bay

Geographic coordinates

Point of reference Trench
Geographic coordinates: -147.18035, 60.87268 (WGS84)
Location accuracy 100(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 011 S 011 W 33 SESWNE Alaska


Commodity Importance
Cobalt Tertiary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Unknown
Pyrite Unknown
Pyrrhotite Unknown

Nearby scientific data

Trench (1) -147.18035, 60.87268

Ore body information

  • Strike N35E
    Dip 85S
    Width 0.3M
    Length 152.4M
    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 N35E
    Date of Last Modification 881220

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category National Forest

Reserves and resources

  • Type In-situ
    Estimate year 1984
    Inferred 446mt ore
    Total resources 446mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.72 wt-pct Copper Major 1984
    Cobalt Co 0.07 wt-pct Cobalt Trace 1984

Comments on the workings information

  • Workings consist of trenching totaling 45.7 m. in length.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0020950368

Bibliographic references

  • Deposit

    B1246 pp. 63-73.

  • Deposit

    B1139 363 pp.

  • Deposit


  • Deposit

    MIRL 27 179 pp.

  • Deposit

    BMOF83-81 229 pp.

  • Deposit

    MF880A # 191.

  • Deposit

    MLA5-84 218 pp., (Locality S-112).

Reporter information

Type Date Name Affiliation Comment
Reporter 20-DEC-1988 Mpm U.S. Bureau of Mines