|Quadrangle map, 1:250,000-scale||SO|
|Quadrangle map, 1:63,360-scale||D-5|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This occurrence is on the divide between Castle Creek, an east tributary to Big Four Creek, and an unnamed south tributary to No Mans Creek, at an elevation of 1,125 feet. This is locality 94 of Gamble (1988).|
Geologic descriptionA sample of gossan localized along a fault in marble contained 720 ppm Zn, 600 ppm As, 130 ppm Sb, 130 ppm Cu, and 100 ppm Mo (Gamble, 1988). Bedrock in this area is Paleozoic marble and a pelitic schist assemblage of possible Cambrian or Precambrian age (Till and others, 1986).
|Geologic map unit||(-164.105617969529, 64.8762629210234)|
|Mineral deposit model||Fault-controlled gossan in marble.|
|Age of mineralization||Cretaceous or younger? Appears to postdate regional mid-Cretaceous metamorphism.|
|Alteration of deposit||Oxidation; gossan development.|
|Workings or exploration||Exploration activities are not reported for this occurrence.|
|Indication of production||None|
Gamble, B.M., 1988, Non-placer mineral occurrences in the Solomon, Bendeleben, and southern part of the Kotzebue quadrangles, western Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1838-B, 13 p., 1 sheet, scale 1:250,000.
|Reporters||Travis L. Hudson (Applied Geology)|
|Last report date||8/19/1999|