The Lost Horse Group is a copper, silver, gold, and molybdenum mine located in Pima county, Arizona at an elevation of 4,626 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: 4,626 Feet (1,410 Meters)
Commodity: Copper, Silver, Gold, Molybdenum
Lat, Long: 31.84222, -111.57667
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.
Lost Horse Group MRDS details
Site Name
Primary: Lost Horse Group
Secondary: Henshaw
Commodity
Primary: Copper
Primary: Silver
Primary: Gold
Primary: Molybdenum
Tertiary: Lead
Tertiary: Zinc
Location
State: Arizona
County: Pima
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Year: 1938
Material type: ORE
Description: Ap_Grade: ^3% Cu, 64 Oz/T Ag
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Oxidation To Shallow Depths Along Fault Zone
Rocks
Name: Metasedimentary Rock
Role: Host
Age Type: Host Rock
Age Young: Early Jurassic
Name: Metasedimentary Rock
Role: Host
Age Type: Host Rock Unit
Age Young: Early Jurassic
Analytical Data
Not available
Materials
Ore: Wulfenite
Comments
Comment (Deposit): THIS RECORD WAS TAKEN FROM RECORD M030519 OF JAN WILT IN MOLYBDENU M FILE, CONTACT PERSON T.G. THEODORE, USGS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Comment (Location): MAY BE IN PAPAGO INDIAN RESERVATION. ; INFO FROM LAND.ST :1964
Comment (Deposit): FRACTURE FILLING IN FAULT ZONE CUTTING METASEDIMENTARY ROCKS.
Comment (Workings): SHALLOW TUNNELS AND SHAFTS, ABOUT 200 FT OF UNDERGROUND WORKINGS.
References
Reference (Deposit): KEITH, 1974, ABM BULL 189
Reference (Deposit): ABM FILE DATA
Reference (Deposit): NOWLAN, G.A., HAXEL, G.B., HANNA, W.F., PITKIN, J.A., DIVELEY-WHITE, D.V., MCDONNELL, J.R., JR., AND LUNDBY, WILLIAM, 1989, MINERAL RESOURCES OF THE BABOQUIVARI PEAK AND COYOTE MOUNTAINS WILDERNESS STUDY AREAS, PIMA COUNTY, ARIZONA: U.S. GEOLOGICAL SURVEY BULLETIN 1702, 30 P.
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.
