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Sylburn Harbor

Prospect in Alaska, United States with commodities Barium-Barite, Lead, Silver, Zinc
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Geologic information

Identification information

Deposit ID 10258173
MAS/MILS ID 0021200158
Record type Site
Current site name Sylburn Harbor
Alternate or previous names Slyburn Peninsula

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -131.57676, 55.17754 (WGS84)
Elevation 15
Location accuracy 100(meters)
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Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 077 S 092 E 20 NESE Alaska

Commodities

Commodity Importance
Barium-Barite Tertiary
Lead Tertiary
Silver Tertiary
Zinc Tertiary

Materials information

Materials Type of material
Barite Unknown
Calcite Unknown

Nearby scientific data

Ore Body (1) -131.57676, 55.17754
ListMap

Ore body information

  • Strike N30W
    Dip 25W
    Thickness 14M
    Depth to top 10M
    Width 100M
    Length 200M
    Area 3HA
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 BRECCIA FILL
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 SILICIFICATION
    Strike And Dip N30W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 1
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 3
    Date of Last Modification 830321

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both metallic and non-metallic
Significant No
Discovery year 1970

Mining district

District name Ketchikan District

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category National Forest

Comments on the ownership information

  • OWNER ADDRESS: METLAKATLA INDIAN COMMUNITY TOWN OF METLAKATLA P.O. BOX 8 METLAKATLA, ALASKA 99926

Comments on the reserve resource information

  • RESERVES ON PGQM FROM DRILLING DATA-MCCRILLIS, 1976 ORE APPEARS TO REQUIRE EXTENSIVE BENEFICIATION TO MARKET

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0021200158

Bibliographic references

  • Deposit

    I684 pp. 3, 4

  • Deposit

    B1373 pp. 12-14, 19-21

Comments on the references

  • HAWLEY, 1975, P. 4-3 TO 4-7 (BIA CONTRACT EOOC14201199)

Reporter information

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