The Hancock Mine is a silver mine located in Pima county, Arizona at an elevation of 5,561 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: 5,561 Feet (1,695 Meters)
Commodity: Silver
Lat, Long: 31.78139, -110.77444
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.
Hancock Mine MRDS details
Site Name
Primary: Hancock Mine
Commodity
Primary: Silver
Secondary: Lead
Secondary: Copper
Secondary: Gold
Secondary: Zinc
Location
State: Arizona
County: Pima
District: Greaterville District
Land Status
Land ownership: National Forest
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
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1885
Discovery Method: Unknown
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: R
Description: Homoclinal ; Reg.Trends: Tilting And Broad Open Folds In S. And Extensive Faulting In N.
Type: L
Description: Thrust And Normal Faulting -Fracture Zones.
Alterations
Not available
Rocks
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age in Years: 26.000000+-2.000000
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Cerargyrite
Ore: Galena
Comments
Comment (Geology): MAJOR.UNITS: BASIN AND RANGE. ; GEOL.DESC: AGE OF MINERALIZATION BELIEVED TO BE THAT OF THE QUARTZ LATITE INTRUSIVE OF DREWES - 1971. ; REG.COM: STRUCTURE IN DISTRICT IS THRUST FAULTING AND HIGH ANGLE NORMAL FAULTING AND FOLDING.
Comment (Workings): SHAFT
Comment (Deposit): THE STRATIGRAPHIC UNITS USED ARE THOSE OF H. DREWES - 1971, USGS MAP I-613. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Comment (Location): E CENTRAL SECTION 14.
Comment (Production): SMALL TONNAGE OF HIGH-GRADE PB-AG ORE IN 1880'S.
References
Reference (Deposit): DREWES, H., 1971, USGS MAP I-613 (SAHUARITA QUAD).
Reference (Deposit): SCHRADER, F.C., 1915 USGS BULL. 582.
Reference (Deposit): DREWES, H., 1970, USGS BULL. 1312A.
Reference (Deposit): KEITH, S.B., 1974, ABM BULLETIN 189, P. 121.
Reference (Deposit): 1909 RECON F.C. SCHRADER, U.S.G.S. BULL. 582
Reference (Deposit): 1971 GEOLMAP H. DREWES, U.S.G.S. MAP I-613.
Reference (Other Database): CIMRI
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.
