Mine detail: Calvert Prospects

Previously called 'Terry Marie Nos 1 & 2 ProspectsNelsons Pride Mine'

<< Back to the map

Location

Lat / long:

31.95123, -111.69098

Resource(M)

Primary:	Tungsten
Ore:	Scheelite
Gangue:	Zircon
Discovery year:	1953

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1955
First production started:	1955

Geology

Host type:	Quartzite
Associated type:	Granite
Structure:	Rocks Strike S 30 E, Dip 80 Sw.
Tectonic:	Basin And Range.
Alteration processes:	Epidote And Manganese Oxides Occur On Fracture Planes.

References

MRDS	M050146
DEP	10039482
Reference	{Deposit:: DALE, STEWART, AND MCKINNEY, 1960, TUNGSTEN DEPOSITS OF COCHISE, PIMA, AND SANTA CRUZ COUNTIES,: U.S.B.M. R.I. 5650}{Deposit:: 1956 RECON USBM, RI 5650.}{Deposit:: DALE, STEWART, AND MCKINNEY, 1960, TUNGSTEN DEPOSITS OF COCHISE, PIMA, AND SANTA CRUZ COUNTIES: U.S. BUREAU OF MINES R.I. 5650.}{Production:: DALE, ETAL, 1960, USBM RI 5650}
Reporter	Johnson, Maureen G.