Big Johnny - Little Johnny Claims

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

Name: Big Johnny - Little Johnny Claims  

State:  Arizona

County:  Pima

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.


Satelite image of the Big Johnny - Little Johnny Claims

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

"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.