Cottontail Mine

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

Name: Cottontail Mine  

State:  Arizona

County:  Pima

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.


Satelite image of the Cottontail Mine

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

"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.