The Hearst Group is a silver, copper, and silica mine located in Cochise county, Arizona.
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:
Commodity: Silver, Copper, Silica
Lat, Long: 32.24861, -110.02056
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.
Hearst Group MRDS details
Site Name
Primary: Hearst Group
Secondary: Hearst Mine
Commodity
Primary: Silver
Primary: Copper
Primary: Silica
Secondary: Gold
Location
State: Arizona
County: Cochise
District: Winchester District
Land Status
Land ownership: State
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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
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
Not available
Alterations
Alteration Type: L
Alteration Text: Qtz-Ser-Pyr, Py Gossan
Rocks
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Late Permian
Analytical Data
Not available
Materials
Ore: Malachite
Ore: Gold
Comments
Comment (Location): INFO FROM LAND.ST :(1979)
Comment (Production): PAST PRODUCTION OF SILICA FLUX.
Comment (Deposit): JASPEROID MASSES IN LIMESTONE. LARGEST MASS IS 100 FT SIDE BY 200 FT LONG.
References
Reference (Deposit): ABM BULL 187, 1973, P. 91.
Reference (Deposit): USGS PP 416, P. 161.
Reference (Deposit): PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.
Reference (Deposit): PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERAL CARD FILE.
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.
