The Niagra Mine is a tungsten mine located in Boulder county, Colorado at an elevation of 8,599 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Elevation: 8,599 Feet (2,621 Meters)
Primary Mineral: Tungsten
Lat, Long: 39.97056, -105.52389
Active Mining Claims
Claim data is for Mines level premium members.
Location: Altitude, about 8,530 it; 800 ft S. 62° E. of Illinois.
Geology: Shaft workings on vein that strikes N. 77° E. and dips 85° S.; open-cut and tunnel 100 ft farther south on vein that strikes N. 50° E. and dips 80° NW. (pI. 5). These upper workings are in granite, but a drift that enters below them from the Illinois Extension shaft is in schist.
History and production: Open-cut and tunnel workings old; most of work at shaft done by Wolf Tongue Mining Co., the owner, in 1943. Mine moderately productive.
Source: Geology and Ore Deposits of the Boulder County Tungsten District Colorado. USGS Professional Paper 245, 1953
Niagra Mine MRDS details
Site NamePrimary: Niagra Mine
District: Boulder Tungsten
Land StatusLand ownership: Private
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Years of Production:
PhysiographyGeneral Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Reference Category: Deposit
Reference: MINE MAP REPO # 402533, 402543