Deep Creek Prospect, Innoko District, Yukon-Koyukuk Borough, Alaska, USA
Location: Deep Creek is a short, north-flowing tributary to Madison Creek. The exact location of early mining and prospecting along Deep Creek is not known; the coordinates mark the location of modern claims, in sec. 20, T. 24 S., R. 10 E., Kateel River Meridian. The location is accurate within 1000 feet.
Geology: The bedrock in the vicinity of Deep Creek consists of volcanic and volcaniclastic rocks, chert, and argillite (Chapman and others, 1985). A Cretaceous or Tertiary monzonite pluton that underlies the headwaters of nearby Esperanto (OP008) and Eldorado creeks (OP007) may extend to the headwaters of Deep Creek. The monzonite contains large feldspar phenocrysts and quartz stockwork veins. At the surface, it is heavily weathered to quartz and feldspar (S. Dashevsky, written commun., 2000). Between 1916 and 1920, 276 ounces of gold and 23 ounces of silver were mined from Deep Creek (T. Bundtzen, 1987, written commun., 1987).
Workings: Between 1916 and 1920, 276 ounces of gold and 23 ounces of silver were mined from Deep Creek (T. Bundtzen, written commun., 1987).
Age: Quaternary. The source of the gold at Deep Creek may be a Cretaceous or Tertiary monzonite pluton near its headwaters (Bundtzen and others, 1987).
Commodities (Major) - Au; (Minor) - Ag
Development Status: Yes; small
Deposit Model: Placer Au (Cox and Singer, 1986; model 39a)
ReferencesChapman, R.M., Patton, W.W., and Moll, E.J., 1985, Reconnaissance geologic map of the Ophir quadrangle, Alaska: U.S. Geological Survey Open-File Report 85-203, 19 p., 1 sheet, scale 1:250,000.
1 entry listed. 1 valid mineral.
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Locality Updated: Catoctin/Catoctin Furance Banks, Frederick Co., Maryland, USAFrom Bill Cordua, 13th Dec 2013 02:15:38