Description
Felmont Oil Company
Commodities
PrimarySilver, Gold
Commodity typeM
Deposit
Deposit typeSediment-hosted gold
Model173: Sediment-hosted Au
Deposit sizeS
Orebody formpods, irregular
Ore controlOre mineralization is controlled by a combination of stratigraphy and structure.
Materials
Ore mineralsGold, Electrum
GangueQuartz, Sericite
Geology
Host rockSandstone,Siltstone,Chert · Schoonover Formation (in part)
Associated rockDiorite,Tuff,Dacite
StructureIn mineralized areas, numerous high-angle fault sets trend N, NE, and WNW, standing out topographically as prominent silicified ribs.
AlterationHost rocks are silicified and often sericitized. The diorite is weakly argillized in places
Economic & production
Development statusPast Producer
Discovery year1983
Identification
Deposit ID10310518
Alternate namesDoby Deposit
RegionNA
Data scoreB
Coordinates41.6629, -116.05993
References
Denver Mining Record, 7/23/95Skillings Mining Review, 8/26/95Northern Miner, 9/11/95Miing Engineering, 10/1/95Denver Mining Record, 11/15/95Denver Mining Record, 1/29/97Elko Daily Free Press, 10/11/97Rocky Mountain Pay Dirt, June, 1989.Long, K.R., DeYoung, J.H., Jr., and Ludington, S.D., 1998, Significant deposits of gold, silver, copper, lead, and zinc in the United States: U.S. Geological Survey Open-File Report 90-206A, 33 p.; 98-206B. one 3.5 inch diskette.Western Exploration and Development Ltd., 1999, personal communication.Baker, D.J., Stanley, W. R., and Dickerson, R.B., 1990, Geology of the Wood Gulch Mine Area and the Doby Prospect, Northern Independence Range, Elko County, Nevada, unpulished report, NBMG files