The Last Chance Mine. is a lead mine located in Graham county, Arizona at an elevation of 4,501 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 4,501 Feet (1,372 Meters)
Commodity: Lead
Lat, Long: 32.9775, -110.37889
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Last Chance Mine. MRDS details
Site Name
Primary: Last Chance Mine.
Secondary: Winthrop Claim.
Commodity
Primary: Lead
Location
State: Arizona
County: Graham
District: Aravaipa District
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1942
Year Last Production: 1948
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Block Faulting Trending Nnw. ; Reg.Trends: Minor Pre-Cretaceous E And Ne Trending Folds And Major Post-Cretaceous Nnw Trending Faults.
Type: L
Description: Fault
Alterations
Not available
Rocks
Name: Tuff
Role: Associated
Age Type: Host Rock
Age Young: Pliocene
Name: Tuff
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Tuff
Role: Associated
Age Type: Host Rock Unit
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Galena
Comments
Comment (Geology): GEOL.DESC: MINE IS IN FAULT BRECCIA ZONE 2-3 FT. WIDE WHICH CUTS INTERBEDDED VOLCANICS CUT BY 1 TO 3 INCH VEINLETS OF COARSE-GRAINED PB MINERALS.
Comment (Location): INFO FROM LAND.ST :(1979)
Comment (Development): PAST OPERATORS INCLUDE LAST CHANCE MINING AND J.C. ANGLIN
Comment (Deposit): BRECCIA ZONE ALONG FAULT.
References
Reference (Deposit): USGS PP 461
Reference (Deposit): USGS BULL 763
Reference (Deposit): USBM-ABGMT FILE DATA
Reference (Deposit): 1925 GEOLMAP ROSS, C.P. BULL. 763.
Reference (Deposit): 1964 GEOLMAP SIMONS, F.S. PROF. PAPER 461.
Reference (Production): SIMONS, 1964.
Arizona Gold
"Where to Find Gold in Arizona" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Arizona.
