Description
Walter N. Calvert (Nelsons Pride); Eugene D. Calvert (Terry Marie)
Commodities
PrimaryTungsten
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Ore controlShear Zone With Closely Spaced Fractures
Materials
Ore mineralsScheelite
GangueZircon
Geology
Host rockQuartzite
Associated rockGranite
StructureRocks Strike S 30 E, Dip 80 Sw.
Tectonic settingBasin And Range.
AlterationEpidote And Manganese Oxides Occur On Fracture Planes.
Economic & production
Development statusPast Producer
Production years1955
First production1955
Discovery year1953
Identification
Deposit ID10039482
MRDS IDM050146
Alternate namesTerry Marie Nos 1 & 2 Prospects, Nelsons Pride Mine
RegionNA
Data scoreB
Coordinates31.95123, -111.69098
References
DALE, STEWART, AND MCKINNEY, 1960, TUNGSTEN DEPOSITS OF COCHISE, PIMA, AND SANTA CRUZ COUNTIES,: U.S.B.M. R.I. 56501956 RECON USBM, RI 5650.DALE, STEWART, AND MCKINNEY, 1960, TUNGSTEN DEPOSITS OF COCHISE, PIMA, AND SANTA CRUZ COUNTIES: U.S. BUREAU OF MINES R.I. 5650.DALE, ETAL, 1960, USBM RI 5650