|Quadrangle map, 1:250,000-scale||BN|
|Quadrangle map, 1:63,360-scale||D-3|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This occurrence is on the east side of Old Glory Creek valley, at an elevation of 400 feet. It is about 4,000 feet upstream of the mouth of Old Glory Creek. Old Glory Creek is a northeast-flowing tributary to Pinnell River. The mouth Old Glory Creek is about 1.5 miles upstream of the confluence of Pinnell and Inmachuk Rivers.|
Geologic descriptionA ferruginous gossan in dolomitic marble is developed over a 110 by 500 foot area. The gossan is developed along a marble layer that now contains dolomite, quartz, pyrite(?), sericite, chlorite and minor fuchsite. A composite grab sample of ferruginous marble collected over a distance of 115 feet contained 0.04 ounces/ton Au, 0.24 ounces/ton Ag, and 0.05 % Zn (Herreid, 1966, Table 1). Most of the bedrock in the area is a metasedimentary schist and marble sequence of Lower Paleozoic age (Till and others, 1986).
|Geologic map unit||(-163.102694710901, 65.8593048416995)|
|Mineral deposit model||Replacement in marble|
|Age of mineralization||Epigenetic mineralization in metamorphic rocks of Seward Peninsula is primarily of Cretaceous age. Some lode gold deposits on southern Seward Peninsula are mid-Cretaceous in age (see Midnight Mountain, BN047).|
|Alteration of deposit||The occurrence is oxidized and the dolomitic marble is replaced by sulfides and phyllosilicates.|
|Workings or exploration||Small, hand dug prospecting pits may be present.|
|Indication of production||None|
Herried, G.H., 1966, The geology and geochemistry of the Inmachuk River map area, Seward Peninsula, Alaska: Alaska Division of Mines and Minerals Geological Report 23, 25 p., 1 sheet, scale 1:63,360.
|Reporters||Travis L. Hudson (Applied Geology)|
|Last report date||3/15/1999|