Quadrangle map, 1:250,000-scale | MC |
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Quadrangle map, 1:63,360-scale | B-4 |
Latitude | 61.3621 |
Longitude | -142.2066 |
Nearby scientific data | Find additional scientific data near this location |
Location and accuracy | This occurrence is on a ridge south of Twaharpies Glacier. It is at an elevation of about 6,300 feet, 500 feet north-northwest of elevation 6745 in the SW1/4 of section 9, T. 6 S., R. 18 E. of the Copper River Meridian. This is locality 48 of MacKevett (1976); the location is accurate to within about 100 feet. |
Geologic descriptionThis occurrence consists of Triassic Nikolai Greenstone that is mineralized adjacent to a 15-meter-wide altered fault zone (MacKevett, and Smith, 1968, 1972; MacKevett, 1976). A sample of the mineralized rock contained 2 parts per million (ppm) silver, 7,000 ppm arsenic, and 15,000 ppm copper. | |
Geologic map unit | (-142.208643898392, 61.3616835428477) |
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Mineral deposit model | Vein and coatings |
Workings or exploration | Limited surface sampling. |
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Indication of production | None |
Additional commentsThe locality is in the Wrangell-Saint Elias National Park and Preserve. |
References | |
Reporters | Travis L. Hudson (Applied Geology, Inc.) |
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Last report date | 1/12/2003 |