|Quadrangle map, 1:250,000-scale||SD|
|Quadrangle map, 1:63,360-scale||D-6|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||A small amount of placer gold was produced in the early 1980's from what is locally called Boulder Creek. The placer is about 0.5 mile north of VABM 'Coke' which is shown on the 1:63,360-scale USGS topographic map. The mine is about about 0.5 mile southwest of the center of section 34, T. 46 S., R. 72 E.|
Geologic descriptionGold may have been discovered on what is locally called Boulder Creek as early as 1881 but it was apparently not mined until 1980, when a small cut was worked near the mouth of the creek with a tractor and sluice box (Redman and others, 1989). There is no record of the amount of production but it is probably small. The rocks in the area are mafic volcanic rocks and black phyllite, part of the Permian to Cretaceous metavolcanic unit of Gehrels and Berg (1992).
|Geologic map unit||(-133.74384196845, 57.8332043620642)|
|Mineral deposit model||Placer gold (Cox and Singer, 1986; model 39a).|
|Mineral deposit model number||39a|
|Age of mineralization||Quaternary.|
|Workings or exploration||A small amount of placer gold was mined in 1980 with a tractor and sluice box.|
|Indication of production||Yes; small|
|Production notes||Some gold was produced in 1980 and perhaps for some years after.|
Gehrels, G.E., and Berg, H.C., 1992, Geologic map of southeastern Alaska: U.S. Geological Survey Miscellaneous Investigations Map I-1867, 24 p., 1 sheet, scale 1:600,000.
Redman, E.C., Maas, K.M., Kurtak, J.M., and Miller, L.D., 1991, Section D: Juneau Gold Belt subarea, in U.S. Bureau of Mines, Mineral investigations in the Juneau Mining District, Alaska, 1984-1988: Volume 2 - Detailed mine, prospect, and mineral occurrence descriptions: U.S. Bureau of Mines Special Publication VOL. 2D, 424 p., 19 sheets.
|Reporters||Donald Grybeck (U.S. Geological Survey)|
|Last report date||10/8/2004|