Colorado · Boulder County
Past Producer

Fraction Lode

Boulder County, Colorado, United States
Tungsten
⌖ Show on mapUSGS source ↗
Commodities
PrimaryTungsten
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeN
Materials
Ore mineralsFerberite
Geology
Host rockGranite
Economic & production
Development statusPast Producer
Production yearsunknown, 1955
Last production1955
Identification
Deposit ID10017400
MRDS IDDC03420
Alternate namesFraction
RegionNA
Data scoreC
Coordinates40.00429, -105.4297
References
DMEA RECORDS, Docket DMEA-3502, accessed 23 Dec., 2013 at http://minerals.usgs.gov/dockets/co.htmSTATE OF COLO. METAL MINING FUND BOARD, 1960, TUNGSTEN MINES OF COLO.CONSV. DIV. COMP. DATE, 1,62MINE MAP REPO[sitory] # 405916