Commodities
PrimaryMolybdenum, Copper
SecondaryGold, Silver
Commodity typeM
Materials
Ore mineralsChalcopyrite, Gold, Molybdenite
GanguePyrite, Quartz
Geology
Host rockDiorite · Nabesna Pluton;Nabesna Pluton;
Associated rockGreenstone · Nikola;
AlterationCentral Altered Zone (About 600 X 2000 M) Contains Abundant Chlorite, Minor Biotite And K-Feldspar, Spotty Sericite. Outer Zones (About 2000 X 3000 M) Contain Minor Chlorite, Epidote, And Anhydrite.
Economic & production
Development statusOccurrence
Identification
Deposit ID10093966
MRDS IDA010705
RegionNA
Data scoreC
Coordinates62.19969, -142.70837
References
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.COBB, E.H., AND RICHTER, D.H., 1980, SUMMARIES OF DATA ON AND LIST OF REFERENCES TO METALLIC AND SELECTED NONMETALLIC MINERAL DEPOSITS IN THE NABESNA QUADRANGLE, ALASKA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 80-927, 117 P.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.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.HOLLISTER, V.F., ANZALONE, S.A., AND RICHTER, D.H., 1975, PORPHYRY COPPER BELTS OF SOUTHERN ALASKA AND CONTIGUOUS YUKON TERRITORY: CIM BULLETIN (CANADIAN MINING AND METALLURGICAL BULLETIN), V. 68, NO. 756, P. 104-112.USGS MF-655K