Ophir Creek

Mine, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals gold

Geographic location

Quadrangle map, 1:250,000-scale LG
Quadrangle map, 1:63,360-scale B-1
Latitude 65.364
Longitude -147.081
Nearby scientific data Find additional scientific data near this location
Location and accuracy Cobb (1972, MF-413), loc. 93. Mining occurred in the lower section of Ophir Creek, a tributary of Nome Creek. Accuracy is within 1,500 feet.

Geologic setting

Geologic description

Coarse gold was discovered along Ophir Creek in 1910 (Ellsworth and Parker, 1911, p. 165). Pay gravel was discovered in shallow bench deposits in 1918 (Martin, 1920, p. 38). The largest nugget was valued at $4.30 and the gravel ran $1.25 to $1.75 per bedrock foot (Ellsworth and Parker, 1911, p. 165).
Geologic map unit (-147.083478532588, 65.3635898710376)
Mineral deposit model Placer gold deposit (Cox and Singer, 1986; model 39a).
Mineral deposit model number 39a

Production and reserves

Workings or exploration Small scale mining and prospecting 1910 - 1918 (Cobb, 1976; OFR 76-633, p. 148).
Indication of production Yes; small

References