The Turning Point Mine is a lead, silver, and copper mine located in Pinal county, Arizona at an elevation of 1,575 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: 1,575 Feet (480 Meters)
Commodity: Lead, Silver, Copper
Lat, Long: 32.6, -111.89583
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.
Turning Point Mine MRDS details
Site Name
Primary: Turning Point Mine
Commodity
Primary: Lead
Primary: Silver
Primary: Copper
Secondary: Gold
Tertiary: Zinc
Tertiary: Molybdenum
Tertiary: Vanadium
Location
State: Arizona
County: Pinal
District: Slate 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: Surface/Underground
Ownership
Owner Name: O. T. Manning, E. L. Harris, W. M. Mischer
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1898
Year Last Production: 1946
Discovery Year: 1898
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Sonoran Desert
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Vein Is In Ne Striking, 65 Se Dipping Normal Fault
Alterations
Not available
Rocks
Name: Andesite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Analytical Data
Analytical Data: $18/T AU AND AG IN 1880-1902
Materials
Ore: Willemite
Ore: Gold
Ore: Galena
Ore: Descloizite
Ore: Vanadinite
Comments
Comment (Reserve-Resource): GREATES POTENTIAL FOR FURTHER PRODUCTION PROBABLY LIES IN THE 600 FT OF UNEXPLORED VEIN PARTIALLY EXPOSED NE OF SHAFT. THE VEIN SPLIT JUNCTION 300 FT NE OF SHAFT WOULD PROVIDE A LIKELY TARGET FOR EXPLORATION . SEARCH FOR W EXTENSION OF TURNING POINT VEIN W OF THE N-STRIKING W-DIPPING FAULT AGAINST WHICH PAST OPERATIONS CEASED, MIGHT BE PROFITABLE.
Comment (Location): N END OF SLATE MOUNTAINS. LAND STATUS INFORMATION FROM 1979.
Comment (Production): SOME HIGH GRADE ORE STOPPED AND SHIPPED IN 1911. MINE WORKED INTERMITTENTLY UNTIL 1946. 1913 REPORTED RECOVERY OF METALS IN AMALGAM AND CONC WAS ABOUT 60%. VALUES WERE $6-7/T, SOMETIMES OVER $100/T.
Comment (Development): OPERATORS INCLUDED O.T. MANNING, F.C. MANNING, BARTLETT MCNATT
Comment (Deposit): HIGHEST GRADE ORE IN ANDESITE PORPHYRY. MINERALIZATION WEAKENS DOWNWARD.
Comment (Workings): LEVELS AT 74, 154, 184, AND 215 FT, SURFACE TRENCHING. 10 STAMP MILL BUILT IN 1902.
Comment (Geology): TURNING POINT VEIN LIMITED ON W BY STEEP N STRIKING FAULT ZONE.
Comment (Deposit): THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M000048 WITH RECORD M000048 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEODORE, USGS.
References
Reference (Deposit): HAMMER, 1961, M.S. THESIS, UNIV OF AZ.
Reference (Deposit): USBM FILE DATA.
Reference (Deposit): ABGMT FILE DATA.
Reference (Production): ABGMT FILE DATA, HAMMER, 1961
Reference (Reserve-Resource): HAMMER, 1961
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.
