Twin Creek

Mine, Inactive

Commodities and mineralogy

Main commodities Au
Other commodities Sn
Ore minerals cassiterite; gold

Geographic location

Quadrangle map, 1:250,000-scale LG
Quadrangle map, 1:63,360-scale A-1
Latitude 65.031
Longitude -147.467
Nearby scientific data Find additional scientific data near this location
Location and accuracy Cobb (1972, MF-413), loc. 89; SW1/4NW1/4 sec. 1, T. 2 N., R. 1 E., of the Fairbanks Meridian. This placer mine is located near the confluence of Twin Creek and Skoogy Gulch.

Geologic setting

Geologic description

Pay gravel is shallow, from 8 to 12 feet deep, over quartzite schist and porphyritic granite bedrock (Prindle, 1904; Prindle and Katz, 1909). Cassiterite is common in concentrates (Prindle and Katz, 1909). This placer was mined sporadically from 1903 to 1927 (Cobb, 1976; OFR 76-633). Production from 1903 to 1910 was valued at $120,000 with gold worth $17.66 per ounce (Prindle and Katz, 1913).
Geologic map unit (-147.469443898434, 65.0305760182189)
Mineral deposit model Placer gold deposit (Cox and Singer, 1986; model 39a).
Mineral deposit model number 39a

Production and reserves

Workings or exploration Mined sporadically from 1903 to 1927 (Cobb, 1976; OFR 76-633). Mining was also reported in 1992 (Swainbank and others 1993).
Indication of production Yes; small
Production notes Production from 1903 to 1910 was worth $120,000 with gold valued at $17.66 per ounce (Prindle and Katz, 1913).


MRDS Number A015509


Reporters C.J. Freeman, J.R. Guidetti Schaefer (Avalon Development Corporation)
Last report date 5/4/1999