Granite Creek Prospect, Hot Springs Mining District, Yukon-Koyukuk Census Area, Alaska, USAi

Regional Level Types
Granite Creek Prospect	Prospect
Hot Springs Mining District	Mining District
Yukon-Koyukuk Census Area	Census Area
Alaska	State
USA	Country

Location: Mining claims were staked in 1973, followed by placer mining, along Granite Creek and on Boulder Creek at its junction with Granite Creek (Alaska Kardex files). The location given in the U.S. Bureau of Land Management MAS system (MAS number 0020480079) is in the northwest quarter of section 10, T. 5 N., R. 13 W., of the Fairbanks Meridian. The location is accurate within about 500 feet.
Geology: Bedrock in the Granite and Boulder creeks area consists of Triassic or Permian siliceous and locally carbonaceous argillite in thrust contact with Proterozoic(?) or Cambrian(?) cherty argillite, chert, and limestone (Reifenstuhl and others, 1997 [RI 97-15a]). No igneous rocks are mapped in the local area. The rocks are cut by northwest-trending, high-angle faults. Mining claims were staked in 1973 along Granite Creek and at the junction of Boulder Creek with Granite Creek (Alaska Kardex files). Eight to fifteen claims were worked intermittently from 1974 to at least 1993. Affidavits of annual labor list prospecting, test sluicing, and test pitting. There is no record of production.
Workings: Mining claims were staked in 1973 along Granite Creek and at the junction of Boulder Creek with Granite Creek (Alaska Kardex files). Eight to fifteen claims were worked intermittently from 1974 to at least 1993. Affidavits of annual labor list prospecting, test sluicing, and test pitting.
Age: Quaternary.

Commodities (Major) - Au
Development Status: Undetermined.
Deposit Model: Placer Au (Cox and Singer, 1986; model 39a).

Other Databases

Link to USGS - Alaska:	TN051

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References