Tatlawiksuk Springs Occurrence, Yukon-Koyukuk Census Area, Alaska, USAi

Regional Level Types
Tatlawiksuk Springs Occurrence	Occurrence
Yukon-Koyukuk Census Area	Census Area
Alaska	State
USA	Country

Location: The Tatlawiksuk Springs occurrence is located in a low marshy area in a valley tributary of Tatlawiksuk River at an elevation of 475 feet (145 m) in the NW1/4 sec. 31, T. 23 N., R. 35 W., of the Seward Meridian. The reporter investigated the site in 1989 and 1992.
Geology: Bundtzen and others (1991) first described Tatlawiksuk Hot Springs, a newly discovered geothermal system in western Alaska. Tatlawiksuk Hot Springs is a fairly alkaline, low-chlorine, sodium bicarbonate spring that is comparable to other Alaskan hot springs related to faulted granitic pluton-sedimentary rock contact zones. The four recognized Tatlawiksuk springs emit hot waters that reach a maximum temperature of 68 degrees Celsius; the springs plumbing system exhibits a north-south alignment parallel to high-angle faults mapped in the area (Bundtzen and others, 1991; Wilson and others, 1998). During State Land Selection resource investigations conducted by the reporter in 1992 (Division of Geological and Geophysical Surveys Staff, 1993), several grains of placer gold were detected in sinterous material at the northern end of the spring system.
Workings: During State Land Selection resource investigations conducted by the reporter in 1992 (Division of Geological and Geophysical Surveys Staff, 1993), several grains of placer gold were detected in sinterous material at the northern end of the spring system.
Age: Quaternary(?).
Alteration: Siliceous sinter.
Reserves: None.

Commodities (Major) - Au; (Minor) - Ag
Development Status: No
Deposit Model: Hot Springs gold-silver(?) (Cox and Singer, 1986; model 25a).

Other Databases

Link to USGS - Alaska:	MG016

Other Regions, Features and Areas containing this locality

References