Kasna Creek

Site Name

Primary: Kasna Creek
Secondary: Barnes
Secondary: Gilt Edge

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Commodity

Primary: Copper
Secondary: Iron
Tertiary: Zinc

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Location

State: Alaska
District: Bristol Bay

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Land Status

Not available

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Holdings

Not available

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Workings

Not available

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Ownership

Not available

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Production

Not available

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Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1906
Years of Production:
Organization:
Significant: N
Deposit Size: M

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Physiography

Not available

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Mineral Deposit Model

Not available

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Orebody

Not available

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Structure

Not available

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Alterations

Alteration Type: L
Alteration Text: Unknown

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Rocks

Not available

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Analytical Data

Not available

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Materials

Ore: Sphalerite
Ore: Chalcopyrite
Ore: Pyrite
Gangue: Garnet
Gangue: Quartz
Gangue: Calcite
Gangue: Chlorite

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Comments

Comment (Deposit): THE PROSPECT OCCURS IN LENTICULAR CONTACT-METAMORPHOSED UPPER TRIASSIC LIMESTONE AND DOLOMITE. IT CONSISTS OF BEDDING PARALLEL BANDS OF SKARN CONTAINING SPECULAR HEMATITE, CHALCOPYRITE, AND LESSER MAGNETITE VEINLETS IN AMPHIBOLE-CHLORITE-CALCITE-QUARTZ GANGUE. TUFFS, MAFIC VOLCANIC ROCKS, AND AGGLOMERATE OCCUR WITHIN THE LIMESTONE. CAPPS (1935) REPORTED STRINGERS OF SOLID CHALCOPYRITE SEVERAL INCHES THICK. THE PROSPECT CONSISTS OF TWO ORE BODIES: GILT EDGE, 320 M X 76 M, TO THE NORTH; AND BARNES, 408 M X 12 M, TO THE SOUTH. THE LIMESTONE AND INCLUDED LODES STRIKE NE AND DIP NW (BERG AND COBB, 1967). NUMEROUS TRENCHES WERE DUG AND SAMPLED BY USBM IN BOTH ORE BODIES FOR ASSAY ANALYSIS. ORE BODIES AVERAGE 0.95 PRECENT CU, 27.5 PERCENT FE, AND 30.1 PERCENT SIO2 (WARFIELD AND RUTLEDGE, 1951). A TERTIARY, MEDIUM- TO FINE-GRAINED HORNBLENDE-BIOTITE QUARTZ MONZODIORITE IS NEARBY (NELSON AND OTHERS, 1983; UNIT TI2). THE PLUTON YIELDS CONCORDANT POTASSIUM-ARGON AGES FOR HORNBLENDE

Comment (Commodity): HIGH GRADE CU AND FE DEPOSIT. ANOMALOUS ZN AND PB LEVELS FROM KASNA CREEK SEDIMENT SAMPLES; ADGGS GC 20, P. 14 (1970)

Comment (Location): ABOUT 2.4 KM UPSTREAM FROM MOUTH OF KASNA CREEK, ON THE SOUTHERN EDGE OF KONTRASHIBUNA LAKE. LOCALITY 31 OF NELSON AND OTHERS (1985), LOCALITY 4 OF MACKEVETT AND HOLLOWAY (1977), LOCALITY 5 OF COBB (1972), AND SAMPLES 169-184 OF EAKINS (1970). NE1/4SE1/4 SEC. 24, T. 1 N., R. 28 W., OF THE SEWARD MERIDIAN. LOCALITY ACCURATE WITHIN 300 M.

Comment (Workings): ONE ADIT EACH IN GILT EDGE AND BARNES DEPOSITS. NUMEROUS TRENCHES WERE DUG AND SAMPLED BY USBM IN BOTH ORE BODIES FOR ASSAY ANALYSIS. ORE BODIES AVERAGE 0.95 PRECENT CU, 27.5 PERCENT FE, AND 30.1 PERCENT SIO2 (WARFIELD AND RUTLEDGE, 1951). EAKINS (1970) REPORTS STREAM SEDIMENTS SAMPLES THAT YIELD UP TO 2,810 PPM CU, 150 PPM PB, AND 1,200 PPM ZN.

Comment (Deposit): THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Comment (Deposit): CLAIMS CURRENTLY INACTIVE, BUT DIAMOND DRILLING BETWEEN 1965 AND 1970 HAS PROVED THE PRESENCE OF COPPER AND IRON IN SIGNIFICANT QUANTITIES (DETTERMAN AND REED, 1980). SITE IS IN LAKE CLARK NATIONAL PARK AND PRESERVE.

Comment (Geology): PALEOCENE OR YOUNGER. A QUARTZ MONZODIORITE WHICH IS PROBABLY RELATED TO THE DEPOSIT YIELDS CONCORDANT POTASSIUM-ARGON AGES FOR HORNBLENDE AND BIOTITE OF ABOUT 61 M.Y. (REED AND LANPHERE, 1972; 1973).

Comment (Reserve-Resource): SWAINBANK AND OTHERS (1997) REPORT RESERVES OF OVER 9,070,000 TONNES OF ORE THAT GRADE MORE THAN 1 PERCENT CU.

Comment (Production): NO PRODUCTION

Comment (Deposit): AND BIOTITE OF ABOUT 61 M.Y. (REED AND LANPHERE, 1972; 1973)

Comment (Exploration): Status = Inactive

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References

Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.

Reference (Deposit): Reed, B.L., and Lanphere, M.A., 1972, Generalized geologic map of the Alaska-Aleutian range batholith showing potassium-argon ages of the plutonic rocks: U.S. Geological Survey Miscellaneous Field Studies Map MF-372, 2 sheets, scale 1:1,000,000.

Reference (Deposit): Bain, H.F., 1946, Alaska's minerals as a basis for industry: U.S. Bureau of Mines Information Circular 7379, 89 p.

Reference (Deposit): Warfield, R.S., and Rutledge, F.A., 1951, Investigations of Kasna Creek copper prospect, Lake Kontrashibuna, Lake Clark region, Alaska: U.S. Bureau of Mines Report of Investigation 4828, 10 p.

Reference (Deposit): Capps, S.R., 1935, The southern Alaska Range: U.S. Geological Survey Bulletin 862, 101 p.

Reference (Deposit): Reed, B.L., 1967, Results of stream sediment sampling and bedrock analyses in the eastern part of the Iliamna quadrangle, and at Kasna Creek, Lake Clark quadrangle, Alaska: U.S. Geological Survey Open-File Report 272, 18 p.

Reference (Deposit): Berg H.C., and Cobb, E.H., 1967, Metalliferous lode deposits of Alaska: U.S. Geological Survey Bulletin 1246, 254 p.

Reference (Deposit): Eakins, G.R., 1970, Geology and geochemistry of Kontrashibuna Lake, Lake Clark region, southwestern Alaska: Alaska Division of Mines and Geology Geochemical Report No. 20, 34 p.

Reference (Deposit): Moxham, R.M., and Nelson, A.E., 1952, Reconnaissance for radioactive deposits in the southern Cook Inlet region, Alaska, 1949: U.S. Geological Survey Circular 207, 7 p., one map, scale 1:500,000.

Reference (Deposit): Brooks, A.H., 1913, Mineral Resources of Alaska: U.S. Geological Survey Bulletin 542, 308 p.

Reference (Deposit): Brooks, A.H., 1914, Mineral Resources of Alaska: U.S. Geological Survey Bulletin 592, 413 p.

Reference (Deposit): Smith, P.S., 1917, The Lake Clark-central Kuskokwim region, Alaska: U.S. Geological Survey Bulletin 655, 162 p.

Reference (Deposit): Wedow, H., Jr., White, M.G., and Moxham, R.M., 1952, Interim report on an appraisal of the uranium possibilities of Alaska: U.S. Geological Survey Open-File Report 51, 123 p.

Reference (Deposit): Cobb, E.H., and Reed, B.L., 1981, Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in the Iliamna, Lake Clark, Lime Hills, and McGrath quadrangles, Alaska - Supplement to Open-File Report 76-485: U.S. Geological Survey Open-File Report 81-1343A, 25 p.

Reference (Deposit): Martin, G.C., and Katz, F.J., 1912, A geological reconnaissance of the Iliamna region, Alaska: U.S. Geological Survey Bulletin 485, 138 p.

Reference (Deposit): Martin, G.C., and Katz, F.J., 1910, Outline of geology and mineral resources of the Iliamna and Clark lakes region: U.S. Geological Survey Bulletin 442, 426 p.

Reference (Deposit): Nelson, W.H., King, H.D., Case, J.E., Tripp, R.B., Crim, W.D., and Cooley, E.F., 1985, Mineral resource map of the Lake Clark quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1114-B, 1 sheet, scale 1:250,000.

Reference (Deposit): Wedow, Helmuth, Jr., White, M.G. and Moxham, R.M., 1952, Interim report on an appraisal of the uranium possibilities of Alaska: U.S. Geological Survey Open-File Report 51, 123 p.

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Lake Clark quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-378, 1 sheet, scale 1:250,000.

Reference (Deposit): Detterman, R.L., and Reed, B.L., 1980, Stratigraphy, structure, and economic geology of the Iliamna quadrangle, Alaska: U.S. Geological Survey Bulletin 1368-B, 86 p.

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral map of the Lake Clark quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-378, 1 sheet, scale 1:250,000.

Reference (Deposit): Reed, B.L., and Lanphere, M.A., 1973, Alaska-Aleutian Range batholith: Geochronology, chemistry, and relation to circum-Pacific plutonism: Geological Society of America Bulletin, v. 84, no. 8, p. 2583-2609.

Reference (Deposit): Swainbank, R.C., Bundtzen, T.K., Clough, A.H., and Henning, M.W., 1997, Alaska's mineral industry 1996: Division of Geological and Geophysical Surveys Special Report 51, 68 p.

Reference (Deposit): Nokleberg, W.J., Bundtzen, T.K., Berg, H.C., Brew, D.A., Grybeck, D., Robinson, M.S., Smith, T.E., and Yeend, W., 1987, Significant metalliferous lode deposits and placer districts of Alaska: U.S. Geological Survey Bulletin 1786, 104 p.

Reference (Other Database): BAG-MF-1114B-31

Reference (Deposit): Nelson, W.H., King, H.D., Case, J.E., Tripp, R.B., Crim, W.D., and Cooley, E.F., 1985, Mineral resource map of the Lake Clark quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1114-B, scale 1:250,000.

Reference (Deposit): Nokleberg, W.J., Bundtzen, T.K., Dawson, K.M., Eremin, R.A., Goryachev, N.A., Koch, R.D., Ratkin, V.V, Rozenblum, I.S., Shpikerman, V.I., Frolov, Y.F., Gorodinsky, M.E., Melnikov, V.D., Diggles, M.F., Ognyanov, N.V., Petrachenko, E.D., Petrochenko, R.I., Pozdeev, A.I., Ross, K.V., Wood, D.H., Grybeck, D., Khanchuck, A.I., Kovbas, L.I., Nekrasov, I.Y., and Sidorov, A.A., 1997, References for significant metalliferous and selected non-metalliferous lode mineral deposits and placer districts, and for metallogenesis of the Russian Far East, Alaska, and the Canadian Cordillera: U.S. Geological Survey Open-File Report 96-513-B, 385 p.

Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Iliamna, Lake Clark, Lime Hills, and McGrath quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-485, 101 p.

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