Occurrence, Inactive
Quadrangle map, 1:250,000-scale | MH |
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Quadrangle map, 1:63,360-scale | B-4 |
Latitude | 63.2985 |
Longitude | -145.6694 |
Nearby scientific data | Find additional scientific data near this location |
Location and accuracy | This occurrence is at an approximate elevation of 2,850 feet on the east side of the Richardson Highway near Phelan Creek. It is in the SE1/4NE1/4 section 5, T. 19 S., R. 11 E., Fairbanks Meridian. This location is accurate within a quarter-mile. The occurrence corresponds to locality S110 in table 2 of Nokelberg and others (1991). |
Geologic descriptionAt this location, quartz veins in joints cut meta-andesite agglomerate of the Slana Spur Formation of Pennsylvanian age (Nokleberg and others, 1991). A composite chip sample of quartz containing chalcopyrite, malachite, and bornite contained 10,000 parts per million (ppm) copper and 20 ppm silver. | |
Geologic map unit | (-145.671649853624, 63.2980871052064) |
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Mineral deposit model | Polymetallic veins (Cox and Singer, 1989; model 22c). |
Mineral deposit model number | 22c |
Age of mineralization | Pennsylvanian or younger. |
Alteration of deposit | Oxidation of copper minerals. |
Indication of production | None |
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References | |
Reporters | W.T. Ellis (Alaska Earth Science), C.C. Hawley (Hawley Resource Group), and W.J. Nokleberg (USGS) |
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Last report date | 8/14/2002 |