Mine detail: Last Chance Mine.

Previously called 'Winthrop Claim.'

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Location

Lat / long:

32.9776, -110.37957

Resource(M)

Primary:	Lead
Ore:	Galena
Orebody form:	TABULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1942
Last production ended:	1948

Geology

Host rock:	Horse Mountain Silicic Lava And Tuff
Host type:	Tuff
Associated type:	Tuff
Structure:	Block Faulting Trending Nnw. ; Reg.Trends: Minor Pre-Cretaceous E And Ne Trending Folds And Major Post-Cretaceous Nnw Trending Faults.
Tectonic:	Basin And Range.

References

MRDS	M050090
DEP	10103738
Reference	{Deposit:: USGS PP 461}{Deposit:: USGS BULL 763}{Deposit:: USBM-ABGMT FILE DATA}{Deposit:: 1925 GEOLMAP ROSS, C.P. BULL. 763.}{Deposit:: 1964 GEOLMAP SIMONS, F.S. PROF. PAPER 461.}{Production:: SIMONS, 1964.}
Reporter	Bergquist, Joel R., Laraba, Peter (Gest, Don E.)