|Quadrangle map, 1:250,000-scale||CG|
|Quadrangle map, 1:63,360-scale||A-3|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This site is located near the head of Portage Bay (MacKevett and Holloway, 1977, locality 5). Site location is accurate to within 2 miles.|
Geologic descriptionThe area is underlain by volcanic rocks of the Meshik Formation of Oligocene and Eocene ages (Detterman and others, 1981). MacKevett and Holloway (1977) indicate alteration and porphyry type mineralization possibly associated with Tertiary intrusives.
|Geologic map unit||(-158.612029132066, 56.2092168268984)|
|Mineral deposit model||Porphyry copper? (Cox and Singer, 1986; model 17).|
|Mineral deposit model number||17?|
|Age of mineralization||Tertiary.|
|Workings or exploration||U.S. Bureau of Mines records indicate claims were staked on this occurrence in the mid-1960s.|
|Indication of production||None|
Additional commentsThis site is located on land conveyed to or patented by the Bristol Bay Native Corporation.
U.S. Bureau of Mines, 1973, Alaska 1:250,000-scale quadrangle map overlays showing mineral deposit locations, principal minerals, and number and type of claims: U.S. Bureau of Mines Open-File Report 20-73, 95 overlays (updated in 1986, 1987).
|Reporters||S.H. Pilcher (Anchorage)|
|Last report date||2/8/2000|