Oro Fino Mine

The Oro Fino Mine is a zinc and copper mine located in Santa Cruz county, Arizona at an elevation of 3,799 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: Oro Fino Mine
Secondary: Noon Mine

Commodity

Primary: Zinc
Primary: Copper
Secondary: Gold
Secondary: Lead
Secondary: Silver

Location

State: Arizona
County: Santa Cruz
District: Oro Blanco 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: Oro Fino Mining Co.
Years: 1940 -

Production

Year: 1940
Time Period: 1890-1940
Material type: ORE
Description: Cp_Grade: ^Averaged 0.6 Oz. Au Per Ton, 3 Oz. Ag Per Ton, And Some Pb And Cu

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1912
Year Last Production: 1940
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: LENSING

Structure

Type: R
Description: Nw- And Ne-Trending Fault Zones

Type: L
Description: Nw Quartz Dike; Dip Zone

Alterations

Alteration Type: L
Alteration Text: Minor

Rocks

Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cretaceous

Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Ore: Sphalerite

Comments

Comment (Development): OTERH PAST OPERATORS INCLUDE: DELANTI (1936 AND 1939), FRED NOON (1937, 38), DANIELS (1935), AND WILLIAMS (1912)

Comment (Workings): WORKINGS INCLUDE A 340 FT SHAFT; 700 FT OF UNDERGROUND WORKINGS; A 580 FT ADIT

Comment (Location): INFO FROM LAND.ST :(1979)

References

Reference (Deposit): KNIGHT, L.H., 1970, ORO BLANCO DISTRICT: UNIV. ARIZ. PH.D. THESIS.

Reference (Deposit): YEEND, WARREN, 1973.

Reference (Deposit): ABM BULL 191, P. 68.

Reference (Other Database): CIMRI

Reference (Production): ABM FILE DATA

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.