Comet

Past Producer in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10233596
MRDS ID A012103
MAS/MILS ID 0021120065
Record type Site
Current site name Comet
Alternate or previous names Comet MS 0051, Pat # 24660, Comet Extension MS 54a, Pat#24662, Comet Ext M.S. MS 54b, Pat#24662, Thomas MS 52a, Pat# 24660, Thomas M.S. MS 52b, Pat# 24660, Poor Richard MS 53, Pat# 24660, Snow Flake MS 55, Pat# 24660, Last Chance MS 56, Pat# 24660, Banner MS 57, Pat# 24660, Eclipse MS 58, Pat# 24660
Related records 10001362

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -135.07456, 58.85535 (WGS84)
Elevation 671
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 035 S 062 E 09 NENENW Alaska

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) -135.07456, 58.85535

Ore body information

  • Strike N05E
    Dip 70E
    Thickness 1.3M
    Depth to top 198M
    Width 244M
    Length 210M
    Area 10HA
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 SHEAR ZONE
    Shape of Orebody #2 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 PROPYLITIC
    Strike And Dip N05E
    Minimum Depth to Top 198
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 10
    Date of Last Modification 830321

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1890
Year of first production 1896

Mining district

District name Juneau District

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 1357M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method SHRINKAGE METHODS
    Swell Factor .56
    Percent Waste Rock 2
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. TIMBER
    Avg. Length of Adits (m) 671
    Number of Adits 1
    1st Condition of Workings UNKNOWN
    Capacity 136
    Capacity Units MT ORE/DAY
    Unit Production Cost 17.53
    Units of Production $/MT ORE
    Operating Days per Year 360
    Operating Shifts per Day 1
    Year of Information 1977

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0021120065
USGS Mineral Resources Data System MRDS A012103 MAS references MRDS

Bibliographic references

  • Ownership

    ALASKA KARDEX 112-008

  • Ownership

    ALASKA KARDEX 112-010

  • Ownership

    ALASKA KARDEX 112-013

  • Deposit

    AR18b pp. 62-63, 76-77

  • Deposit

    B225 p. 38

  • Deposit

    B284e p. 33

  • Deposit

    B642d p. 77

  • Deposit

    B800 p. 317

  • Deposit

    B864A p. 17

  • Deposit

    B880A p. 17

  • Deposit

    B897A p. 17

  • Deposit

    B910A p. 19

  • Deposit

    B933A p. 17

  • Deposit

    B1139 p. 134

  • Deposit

    ADGS AR 1966a p. 60

  • Deposit

    B1246 p. 160

  • Deposit

    MIRL 28 p. 118

  • Deposit

    MF435

  • Deposit

    AMR 81-82

  • Deposit

    REDMAN NEWSPAPER 1987pp. 7,8

Reporter information

Type Date Name Affiliation Comment
Reporter 13-JUL-1995 Mirl U.S. Bureau of Mines