Union Mine

The Union Mine is a silver and lead mine located in Santa Cruz county, Arizona at an elevation of 3,750 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: Union Mine  

State:  Arizona

County:  Santa Cruz

Elevation: 3,750 Feet (1,143 Meters)

Commodity: Silver, Lead

Lat, Long: 31.39528, -111.26861

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 Union Mine

Union Mine MRDS details

Site Name

Primary: Union Mine


Commodity

Primary: Silver
Primary: Lead


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

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Not available


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: Nw-And-Ne-Trending Fault Zones, Block Faulting

Type: L
Description: Cret


Alterations

Alteration Type: L
Alteration Text: Minor


Rocks

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


Analytical Data

Not available


Materials

Gangue: Quartz


Comments

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

Comment (Geology): EQUIGRANULAR LEUCO-QUARTZ MONZONITE AND MAFIC-RICH QUARTZ MONZONITE.


References

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

Reference (Deposit): USBM FILE DATA - CLUSTER #34 - UNION MINE.

Reference (Other Database): CIMRI


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.