Past Producer in Alaska, United States with commodities Gold, Silver

Geologic information

Identification information

Deposit ID 10258306
MAS/MILS ID 0020860178
Record type Site
Current site name Sealy-Davis
Alternate or previous names Rizin Sun 1-3, Sealy-Davis Mining Co.

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -146.56866, 61.12929 (WGS84)
Elevation 128
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 008 S 008 W 36 SENESE Alaska


Commodity Importance
Gold Primary
Silver Tertiary

Nearby scientific data

Main Entrance (1) -146.56866, 61.12929

Ore body information

  • Strike N25W
    Dip 77W
    Width 0.3M
    Length 213.4M
    Field Value
    MAS Matrix # 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 N25W
    Date of Last Modification 881017

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category State

Ownership information

  • Type Owner-Operator
    Owner Ethel And Charles Sealy And Loren St. Armand
    Interest 100
    Home office Alaska
    Year 1910

Reserves and resources

  • Type In-situ
    Estimate year 1984
    Inferred 55mt ore
    Total resources 55mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 6.5 g/mt Gold Major 1984
    Silver Ag 1.3 g/mt Silver Trace 1984

Comments on the workings information

  • Working consists of: 61m elevation - unknown length 167.6m elevation - 253m long adit & 1 winze 182.9m elevation - 76.2m long adit 198.1m elevation - 6.1m long & a 18.3m long open cut M.S. 1495

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0020860178

Bibliographic references

  • Ownership

    ALASKA KARDEX 086-079

  • Deposit

    B1246 pp. 66, 68

  • Deposit

    B520h p. 124

  • Deposit

    B542c pp. 18-51

  • Deposit

    OF79-1241 167 pp.

  • Deposit


  • Deposit

    B1139 363 pp.

  • Deposit


  • Deposit

    MIRL 27 p. 108

  • Deposit

    B592k p. 239

  • Deposit

    B622j pp. 152, 174-175

  • Deposit

    B642g pp. 137-145

  • Deposit

    B692g pp. 143-151

  • Deposit

    BMB142 pp. 42,52

  • Deposit

    BMB153 pp. 49-50

  • Deposit


  • Deposit


  • Deposit

    MLA5-84 218 pp., (Locality V-50)

Reporter information

Type Date Name Affiliation Comment
Reporter 17-OCT-1988 Mpm U.S. Bureau of Mines