Lemon Claims

Occurrence in Alaska, United States with commodities Copper, Gold, Silver, Zinc, Iron

Geologic information

Identification information

Deposit ID 10000756
MRDS ID A011396
Record type Site
Current site name Lemon Claims
Alternate or previous names Copper King

Geographic coordinates

Geographic coordinates: -142.82254, 62.19663 (WGS84)
Relative position SEE LOCATION COMMENTS
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • BEST LOCATION: RICHTER AND OTHERS, 1975, MF-655K, LOC. 23. ACCURATE TO WITHIN 1000 FT. RADIUS

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary
Zinc Secondary
Iron Secondary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Diopside Gangue
Epidote Gangue
Garnet Gangue
Gypsum Gangue
Molybdenite Gangue
Powellite Gangue
Tetrahedrite Gangue
Wollastonite Gangue
Magnetite Unknown

Alteration

  • (Local) Secondary Minerals: Molybdenite, Chrysocolla, Malachite, Azurite, Covellite.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -142.82254, 62.19663

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Comments on exploration

  • Status = Inactive

Mining district

District name Chisana

Comments on the workings information

  • EXPLORED BY SHORT ADITS AND DIAMOND DRILLING. 188-FOOT CORE SAMPLE (LEMON EXTENSION #2, PILGRIM, E.R., 1931) CONTAINED 0.3 TO 3.8 % CU, AVERAGE 0.95% CU. WEIGHTED AVERAGES FROM CHANNEL SAMPLES, LEMON CLAIM #2 (USGS OFR 76, P. 16) CONTAINED 0.71% CU, 0.024 OZ./T AU, 0.66 OZ./T AG. 8-FOOT CHANNEL SAMPLE FROM MASSIVE SULFIDE BODY 30 FT. LONG AND 3 TO 8 FT. THICK (USGS OFR 76, P. 10, 11, TABLE 2 NO. 27) CONTAINED 0.32% CU, 0.08 OZ./T AU, 6.12% ZN, 38.84% FE. SURFACE AND UNDERGROUND WORKINGS.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011396
USGS Alaska Resource Data File ARDF NB044
USGS Mineral Resources Data System MRDS A010707

Bibliographic references

  • Deposit

    VAN ALSTINE, R.E., AND BLACK, R.F., 1944, MINERAL DEPOSITS AT ORANGE, HILL, ALASKA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 76, 1 SHEET, 16 P.

  • Deposit

    RICHTER, D.H., AND MATSON, N.A., 1970, GEOCHEMICAL DATA FROM THE NABESNA A-4 QUADRANGLE, ALASKA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 70-276, 14 P., 1 SHEET, SCALE 1:63,360.

  • Deposit

    RICHTER, D.H., 1973, RECONNAISSANCE GEOLOGICAL MAP OF THE NABESNA A-1 QUADRANGLE, ALASKA: U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATIONS SERIES MAP I-789, SCALE 1:63,360.

  • Deposit

    RICHTER, D.H., AND OTHERS, 1975, MINERAL RESOURCES MAP OF THE NABESNA QUADRANGLE, ALASKA: U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-655-K, SCALE 1:250,000.

  • Deposit

    PILGRIM, E. R., 1931, ALASKA NABESNA ORANGE HILL COPPER CLAIMS, IN STEWART, B.D., REPORT ON COOPERATION BETWEEN THE TERRITORY OF ALASKA AND THE UNITED STATES IN MAKING MINING INVESTIGATIONS AND IN INSPECTION OF MINES FOR THE BIENNIUM ENDING MARCH 31, 1931, P. 69-74.

  • Deposit

    USGS OFR 398, LOC. 2

  • Other Database

    BAG-MF-655K-23

General comments

Subject category Comment text
Deposit CONSIDERED AS PART OF ORANGE HILL PORPHYRY COPPER DEPOSIT. THIS LISTING CONTAINS DATA SPECIFIC TO CONTACT METASOMATIC DEPOSITS ASSOCIATED WITH THE QUARTZ DIORITE AT ORANGE HILL. SEE ORANGE HILL DEPOSITS (NB043).
Deposit DISSEMINATED PYRRHOTITE, PYRITE, AND CHALCOPYRITE IN MAGNETITE-RICH SKARN AND VEINS OF PYRITE, CHALCOPYRITE, AND SPHALERITE IN MAGNETITE BODIES AND CUTTING SKARN; SOME STRINGERS OF BORNITE AND MAGNETITE. SKARN DEVELOPED IN PERMIAN LIMESTONE ADJACENT TO CRETACEOUS QUARTZ DIORITE INTRUSIVE AND TO PORPHYRY CU-MO DEPOSIT AT ORANGE HILL. SKARN GRADES OUTWARD INTO HORNFELS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey ARDF AND MRDS MERGED RECORD
Updater 01-JAN-1997 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 06-MAR-1998 Mason, George U.S. Geological Survey