Quadrangle map, 1:250,000-scale | WI |
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Quadrangle map, 1:63,360-scale | B-3 |
Latitude | 67.4437 |
Longitude | -151.4779 |
Nearby scientific data | Find additional scientific data near this location |
Location and accuracy | This occurrence is located about 1.5 miles south of Mathews Dome. It is at near a prominent peak an elevation of about 4,000 feet in the NW1/4 section 12, T. 30 N., R. 18 W., of the Fairbanks Meridian. The location is accurate. |
Geologic descriptionThis occurrence consists of replacement layers or veins of sphalerite and pyrite up to 8 cm thick in an orange-weathering dolomite layer in gray marble (Dillon and others, 1981 [AOF 133B]. A grab sample of the mineralized rock contains 0.40 ppm gold, 2.2 ppm silver, 200 ppm lead, and 10.3% zinc. High values of Mg and Mn were also noted. | |
Geologic map unit | (-151.480646009586, 67.4432480695913) |
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Mineral deposit model | Polymetallic replacement deposit? (Cox and Singer, 1986; model 19a?). |
Mineral deposit model number | 19a? |
Workings or exploration | Only surface sampling. |
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Indication of production | None |
MRDS Number | A011995 |
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References | |
Reporters | J.M. Britton (Anchorage) |
Last report date | 8/9/2002 |