|Quadrangle map, 1:250,000-scale||KD|
|Quadrangle map, 1:63,360-scale||B-6|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This site is located on the east side of Amook Bay in sec. 29, T. 31 S., R. 28 W., of the Seward Meridian (Martin, 1913, locality 7; Berg and Cobb, 1967, figure 15, locality 12; Cobb, 1972, MF460, locality 2; McGee, 1972, locality 9; MacKevett and Holloway, 1977, locality 2). Site location is accurate to within a few hundred feet.|
Geologic descriptionAt this site auriferous quartz veins cut Cretaceous slate. The main vein worked by Amok Gold Mining Company strikes N. 45 W. and dips 80 southwest and averages 3 feet in thickness with a maximum of 5 feet. The vein consists of quartz and minor pyrite. Quartz veinlets, most of which parallel the slaty cleavage, are present in the surrounding slates. A sill-like body of keratophyre is present at the site. Capps (1937) reports that only a few hundred dollars worth of gold was produced.
|Geologic map unit||(-153.815305896092, 57.4562709097424)|
|Mineral deposit model||Chugach-type low-sulfide gold-quartz vein (Bliss, 1992; model 36a.1), turbidite-hosted gold vein.|
|Mineral deposit model number||36a.1|
|Age of mineralization||Cretaceous or younger|
|Workings or exploration||This property was developed by a 210-foot adit, a 130-foot shaft, and 180 feet of drifts. A 5-stamp mill, erected in 1906, burned and was replaced by a 10-stamp mill. Mining ceased in 1913 but was resumed for a time in 1927-28. The latter endeavor failed because the ore was too low in grade.|
|Indication of production||Yes; small|
|Production notes||Total production is said to have been worth only a few hundred dollars.|
Additional commentsThis site is located on land conveyed to the Koniag Corporation.
Berg, H.C., and Cobb, E.H., 1967, Metalliferous lode deposits of Alaska: U.S. Geological Survey Bulletin 1246, 254 p.
Capps, S.R., 1937, Kodiak and adjacent islands, in Smith, P.S. and others, Mineral resources of Alaska, report on progress of investiagtions in 1935: U.S. Geological Survey Bulletin 880-C, p. 111-184, 1 plate, scale 1:250,000.
Cobb, E.H., 1972, Metallic mineral resources map of the Kodiak quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-460, 1 map sheet, scale 1:250,000.
Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Afognak, Karluk, Kodiak, and Trinity Islands quadrangles, Alaska: U.S. Geological Survey Open-File Report 79-860, 49 p.
MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.
Martin, G.C., 1913, Mineral deposits of Kodiak and the neighboring islands, in Brooks, A.H., and others, Mineral resources of Alaska, 1912: U.S. Geological Survey Bulletin 542, p. 125-136.
|Reporters||S.H. Pilcher (Anchorage)|
|Last report date||9/23/1998|