Wachusett Inlet

Occurrence in Alaska, United States with commodities Copper, Molybdenum, Silver

Geologic information

Identification information

Deposit ID 10233947
MRDS ID A013171
MAS/MILS ID 0021110047
Record type Site
Current site name Wachusett Inlet
Related records 10002268

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -136.35521, 58.95413 (WGS84)
Elevation 30
Location accuracy 500(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 034 S 054 E 02 SENWNE Alaska


Commodity Importance
Copper Primary
Molybdenum Primary
Silver Primary

Materials information

Materials Type of material
Albite Unknown
Biotite Unknown
Chalcopyrite Unknown
Chlorite Unknown
Epidote Unknown
Goethite Unknown
Gold Unknown
Hornblende Unknown
Magnetite Unknown
Molybdenite Unknown
Orthoclase Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown
Sphalerite Unknown
Zircon Unknown

Nearby scientific data

Ore Body (1) -136.35521, 58.95413

Ore body information

  • Strike N34E
    Dip 85E
    Thickness 0.3M
    Depth to top 0M
    Length 23M
    Area 100HA
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 SILICIFICATION
    Strike And Dip N34E
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 100
    Date of Last Modification 830321

Economic information

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

Ownership information

  • Type Owner
    Owner U.S. National Park Service

Reserves and resources

  • Type In-situ
    Estimate year 1978
    Inferred 726mt ore
    Total resources 726mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum Mo 0.005 wt-pct Molybdenum Major 1978
    Copper Cu 0.44 wt-pct Copper Major 1978
    Silver Ag 1.166 g/mt Silver Major 1978

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0021110047
USGS Mineral Resources Data System MRDS A013171 MAS references MRDS

Bibliographic references

  • Reserve-Resource

    OF78-494 p. C307

  • Deposit

    P632 pp. 53, 78

  • Deposit


  • Deposit

    OF78-316 p. 67

  • Deposit

    OF78-494 pp. C307-C309, plates 1A, 1B, 2

General comments

Subject category Comment text

Reporter information

Type Date Name Affiliation Comment
Reporter 12-FEB-1988 Wlg U.S. Bureau of Mines