Cody Tunnel

The Cody Tunnel is a tungsten and gold mine located in Pinal county, Arizona at an elevation of 4,879 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

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.

Site Name

Primary: Cody Tunnel
Secondary: Campo Bonito Group

Commodity

Primary: Tungsten
Primary: Gold

Location

State: Arizona
County: Pinal
District: Oracle 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

Type: Underground

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland

Mineral Deposit Model

Not available

Orebody

Form: TABULAR

Structure

Type: R
Description: Block Faulting Trending Nnw. ; Reg.Trends: Post-Cretaceous Pre-Pliocene Thrusts And High Angle Normal And Reverse Faults. Cretaceous - Tertiary Intrusives And Consequent Faulting.

Type: L
Description: Mogul Fault

Alterations

Alteration Type: L
Alteration Text: Silicification Of Breccia.

Rocks

Name: Granite
Role: Associated
Age Type: Host Rock Unit
Age Young: Mississippian

Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian

Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic

Analytical Data

Not available

Materials

Ore: Scheelite
Ore: Gold
Gangue: Quartz

Comments

Comment (Deposit): CAMPO BONITO GROUP IS COMPRISED OF 29 PATENTED CLAIMS. ; INFO.SRC : 1 PUB LIT

Comment (Location): INFO FROM LAND.ST :(1964)

Comment (Development): ECON.COM: GOOD ACCESS BY ROAD FROM ORACLE OR SAN MANUEL.

Comment (Workings): TUNNEL IS 830 FT. LONG WITH FOUR CROSSCUTS TOTALLING 335 FT. TUNNEL CAVED 600 FT. FROM PORTAL AT POINT WHERE IT CROSSES MOGUL FAULT.

Comment (Geology): GEOL.DESC: TUNNEL INTERSECTS MOGUL FAULT WHICH BRINGS PALEOZOIC AND PRECAMBRIAN SEDIMENTARY AND METAMORPHIC ROCKS ON S INTO CONTACT WITH PRECAMBRIAN GRANITE ON THE NORTH. ZONE OF FAULT BRECCIA UP TO 50 FT. WIDE IS SILICIFIED AND MINERALIZED. TUNNEL INTERSECTS GOLD-QUARTZ VEIN.

References

Reference (Deposit): 1959 COMPILE U.S. BUREAU MINES, R.I. 551

Reference (Deposit): DALE, V.B., 1959, U.S. BUREAU MINES REPT. OF INV. 5516

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.