The Cottontail Mine is a gold mine located in Pima county, Arizona at an elevation of 4,101 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: 4,101 Feet (1,250 Meters)
Commodity: Gold
Lat, Long: 31.54722, -111.34444
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.
Cottontail Mine MRDS details
Site Name
Primary: Cottontail Mine
Secondary: Conejo
Commodity
Primary: Gold
Secondary: Silver
Secondary: Lead
Secondary: Copper
Secondary: Zinc
Location
State: Arizona
County: Pima
District: Arivaca 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
Not available
Ownership
Owner Name: Byfield Manufacturing And Milling Co.
Production
Year: 1939
Time Period: 1938-1939
Material type: ORE
Description: Cp_Grade: ^0.2 Oz Au/Ton, 0.4 Oz Ag/Ton, Trace Cu, 0.4% Pb
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1938
Year Last Production: 1939
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: IRREGULAR, LENSING
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Oxidation, Surface Weathering
Rocks
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Galena
Ore: Gold
Gangue: Quartz
Comments
Comment (Location): MILS RANGE GIVEN AS 009E, WHICH IS WRONG ACCORDING TO QUADRANGLE MAP. JOHNSON AND CREASEY GIVE THE SECTION FRACTION AS SE. ; INFO FROM LAND.ST :(1979)
Comment (Production): PROBABLY SOLD AS SMELTER FLUX.
Comment (Workings): SHAFT AND SMALL OPEN CUTS
Comment (Geology): CRETACEOUS SEDIMENTS ARE METAMORPHOSED.
Comment (Deposit): RECORD # M001469 BY K.H. JOHNSON AND S.C. CREASEY HAS BEEN INCORPORATED INTO THIS RECORD. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Comment (Development): IN 1938-39 PRODUCED 300 TONS OF ORE AVERAGING 0.2 OZ AU, 0.4 OZ AG/TON, TRACE CU AND 0.4% PB.
Comment (Deposit): SPOTTY, SOME FREE GOLD NEAR SURFACE, BASE METAL SULFIDES
References
Reference (Deposit): ABGMT 189, P. 105
Reference (Deposit): ABGMT-USBM FILE DATA
Reference (Production): ABM BULLETIN 189, P. 105.
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.
