|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 ridgecrest between the headwaters of Surprise Creek (a tributary to Big Four Creek) and Military Creek (a tributary to Birch Creek), at an elevation of 1,675 feet. This is locality 97 of Gamble (1988).|
Geologic descriptionA sample of iron-stained carbonate-chlorite schist contained 1 percent Cu, 5 ppm Ag, 200 ppm Zn, and 12 ppm Bi (Gamble, 1988). Bedrock is part of a metavolcanic assemblage thought to be Ordovician in age (Till and others, 1986).
|Geologic map unit||(-164.12961272633, 64.7982608916959)|
|Mineral deposit model||Chalcopyrite-bearing carbonate-chlorite schist; volcanogenic massive sulfide?; Kuroko massive sulfide (Cox and Singer, 1986; model 28a).|
|Mineral deposit model number||28a|
|Alteration of deposit||Oxidized; iron-stained.|
|Workings or exploration||No exploration work is 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|