The Big Johnny - Little Johnny Claims is a silver and lead mine located in Pima county, Arizona at an elevation of 3,625 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: 3,625 Feet (1,105 Meters)
Commodity: Silver, Lead
Lat, Long: 31.92972, -111.29083
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.
Big Johnny - Little Johnny Claims MRDS details
Site Name
Primary: Big Johnny - Little Johnny Claims
Commodity
Primary: Silver
Primary: Lead
Secondary: Copper
Tertiary: Manganese
Tertiary: Gold
Tertiary: Molybdenum
Location
State: Arizona
County: Pima
District: Papago District
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Year: 1937
Time Period: 1880-1937
Material type: ORE
Description: Cp_Grade: ^20 Oz/T Ag With Good Pb, Minor Cu
Deposit
Record Type: Site
Operation Category: Past Producer
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: Sonoran Desert
Mineral Deposit Model
Not available
Orebody
Form: LENSES
Structure
Type: L
Description: Nnw Fractures, Thrust Faults
Alterations
Alteration Type: L
Alteration Text: Oxidized
Rocks
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Wulfenite
Ore: Pyrite
Comments
Comment (Geology): SIMILAR TO AGUINALDO.
Comment (Deposit): THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M050577 WITH RE CORD M030537 OF JAN WILT IN MOLYBDENUM FILE; CONTACT PERSON T.G. THEOD ORE, USGS ; INFO.SRC : 1 PUB LIT
Comment (Workings): SHAFTS AND PITS
Comment (Production): PRODUCTION BY CHLORIDERS IN LATE 1880'S, AND BY PROSPECTORS IN 193 7-1938
References
Reference (Deposit): KEITH, 1974, ABM BULL 189, P. 132.
Reference (Deposit): RANSOME, 1922, USGS BULL 725, P. 417.
Reference (Production): ABM BULL 189
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.
