Quadrangle map, 1:250,000-scale | LC |
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Quadrangle map, 1:63,360-scale | D-1 |
Latitude | 60.96 |
Longitude | -153.05 |
Nearby scientific data | Find additional scientific data near this location |
Location and accuracy | Occurrence is on peak 6,805 in the Neacola Mountains, NW corner of the Lake Clark D-1 quadrangle. Corresponds with locality 6 of Nelson and others (1985) and locality 19 of MacKevett and Holloway (1977). Sec. 17, T. 10 N., R. 21 W., of the Seward Meridian. Accurate within 1,200 meters. |
Geologic descriptionDisseminated quartz veins containing pyrite, azurite, and traces of bornite in medium- to coarse-grained biotite-hornblende granodiorite (Nelson and others, 1983; unit Ti4). The quartz veins locally contain 3,600 ppm Mo and 8,800 ppm Cu. | |
Geologic map unit | (-153.05222390291, 60.9593799019854) |
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Mineral deposit model | Porphyry Cu-Mo (Cox and Singer, 1986; model 21a) |
Mineral deposit model number | 21a |
Age of mineralization | Veins cut Tertiary granodiorite. |
Alteration of deposit | Unknown |
Workings or exploration | Veins locally contain 3,600 ppm Mo and 8,800 ppm Cu (Nelson and others, 1985). |
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Indication of production | None |
Reserve estimates | No reserves |
Production notes | No production |
Additional commentsArea is very rugged and partly covered by glaciers. Site is in Lake Clark National Park and Preserve. |
MRDS Number | A013024 |
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ReferencesResource Associates of Alaska, Inc., 1976, Geology and geochemistry of certain land within the Lake Clark National Park: Contract report for U.S. Bureau of Mines, Contract JO166108, 7 v.
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Reporters | M.L. Miller (USGS); D.P. Bickerstaff (USGS) |
Last report date | 6/15/1998 |