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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Kasna Creek

Prospect in Alaska, United States with commodities Copper, Iron
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10136908
MRDS ID A001713
MAS/MILS ID 0020930001
Record type Site
Current site name Kasna Creek
Alternate or previous names Platsburg, Barnes, Cook, Gilt Edge, Kendall, King, Belle, Cyanide, Peary

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -154.05685, 60.15633 (WGS84)
Elevation 762
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Lake and Peninsula(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lake Clark A-3(quadrangle 1:63,360 scale)

Lake Clark SE(quadrangle 1:100,000 scale)

Lake Clark C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lake Clark(hydrologic unit)

Kvichak-Port Heiden(hydrologic accounting unit)

Southwest(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Lake Clark National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Seward 001 N 028 W 24 C SE Alaska

Commodities

Commodity Importance
Copper Tertiary
Iron Tertiary

Materials information

Materials Type of material
Amphibole Unknown
Calcite Unknown
Chalcopyrite Unknown
Chlorite Unknown
Hematite Unknown
Magnetite Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown
Talc Unknown

Nearby scientific data

Ore Body (1) -154.05685, 60.15633
ListMap

Economic information

Ore body information

  • Strike N25E
    Dip 75W
    Thickness 83M
    Length 728M
    Width 83M
    Area 428HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin CONT METASOMATIC
    Primary Ore Control LITHOLOGY
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Strike And Dip N25E:75W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 428
    Date of Last Modification 860825

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1906

Mining district

District name Bristol Bay Mining Region

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented

Land status

Ownership category Mixed

Ownership information

  • Type Owner
    Owner St. Eugene Mining Corp. Ltd.
    ID 5000198
    Interest 100
    Home office Canada
    Year 1977

Reserves and resources

  • Type In-situ
    Estimate year 1984
    Total resources 9072000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1 wt-pct Copper Trace 1984

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Capacity 3736
    Capacity Units MT ORE/DAY
    Unit Production Cost 1.98
    Units of Production $/MT ORE
    Operating Days per Year 253
    Operating Shifts per Day 3
    Year of Information 1971

Reference information

Bibliographic references

  • Ownership

    ALASKA KARDEX 093-007

  • Ownership

    ALASKA KARDEX 093-013

  • Reserve-Resource

    SR38 p. 45

  • Deposit

    B442j pp. 198-199

  • Deposit

    B485 pp. 121-122

  • Deposit

    B655 pp. 150-151

  • Deposit

    B862 pp. 92-93

  • Deposit

    IC7379 p. 33

  • Deposit

    RI4828

  • Deposit

    C207 pp. 3-4

  • Deposit

    OF51 p. 77

  • Deposit

    B1246 pp. 14-16

  • Deposit

    OF272 pp. 13-16

  • Deposit

    GC20 pp. 2, 4-10, 14

  • Deposit

    MF378

  • Deposit

    E&MJ 7905 p. 83, No. 173

  • Deposit

    MTA 82 No. D-52

  • Deposit

    SR38 p. 45, No. 92

Comments on the references

  • MALONEY MEMO.(AFOC) 1971

General comments

Subject category Comment text
Deposit INDICATED RESOURCE NUMBER AT 75% P & GRADE TAKEN FROM MEMO TO H BENNETT FROM RAY MALONEY (AFOC) 3/31/71. INFERRED TONNAGE (50% P) ENTERED IS 1.333 TIMES 75% P TONNAGE. STRIPPING RATIO IS 1:2. MINE LIFE CALCULATED TO BE 14 YEARS. COSTING COMPLETED FROM SCRATCH BY BOB BOTTGE. SEE BACKUP FILE FOR DETAILS. FLOTATION MILLING SYSTEM USED. CONCENTRATE PRODUCED CONTAINS 25% COPPER. COSTING FROM SCRATCH BY BOB BOTTGE. SEE BACKUP FILE FOR DETAILS. AFTER 4 YEAR PREPRODUCTION MINE WILL PRODUCE 14 YEARS. REMOTE LOCATION REQUIRES THE BUILDING OF A TOWNSITE AND ROAD. MINE PROD. COSTS BASED ON 5 D/WK OPERATION, WHILE MILL COST IS BASED ON A 357 DAY/YEAR OPERATION. BASE YEAR FOR COSTING BOTH MINE & MILL IS 1970 ESTIMATED CAPITAL COSTS MINE - ACQUSITION $ 100,000 - EXPLORATION 5,700,000 - DEVELOPMENT (STRIPPING $840,000, ROAD $2,000,000) - EQUIPMENT 2,330,100 - PLANT $2,411,600 & TOWNSITE 3,143,800 - WORKING CAPITAL 546,800 MILL - PLANT & EQUIPMENT - WORKING CAPITAL 22,658,300 ESTIMATED OPERATING COSTS 1,430,000 MINE - $1.983/METRIC TON MILL - 5.348/METRIC TON NO INCREASE OF MILL COST ESTIMATED, DUE TO MINE LIFE. M.S. NO. 973.

Reporter information

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.