Las Trajas Mine

The Las Trajas Mine is a copper mine located in Greenlee county, Arizona at an elevation of 6,099 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: Las Trajas Mine
Secondary: Arizona Copper Co Property

Commodity

Primary: Copper
Secondary: Gold
Secondary: Silver

Location

State: Arizona
County: Greenlee
District: Copper Mountain District

Land Status

Land ownership: Private
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: Surface/Underground

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
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: South Side Of Prominent Quartz Itic Ridge North Of Morenci; Ridge Forms Divide Between Chase Creek And Eagle Creek Watersheds; Block Faulting South Of The Great Coronado Fissure Vein With Downthrow Of 1200 Ft On Southern Side And Gentle Westward Dip

Type: L
Description: Vein Is Located On A Subrodinate Fault Fissure

Alterations

Alteration Type: L
Alteration Text: Surface Oxidation; Majority Of Fissure Veins In This Region Contain Oxidized Copper Ores In Their Upper Levels

Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cambrian

Analytical Data

Not available

Materials

Ore: Chrysocolla
Ore: Malachite
Gangue: Limonite

Comments

Comment (Development): OWNERS INCLUED ARIZONA COPPER CO LTD

Comment (Workings): DEVELOPMENTS INCLUDED ONE SHAFT 100 FT DEEP AND SEVERAL SURFACE CUTS; ORES HAVE BEEN STOPED ALONG SURFACE CUTS TO A WIDTH OF 3 FT

Comment (Geology): VEIN IS ACCOMPANIED EAST OF THE SHAFT BY A PORPHYRY DIKE THAT REACHES WIDTHS OF 200 FT AND DOES NOT SEEM TO FOLLOW THE FAULT FISSURE

Comment (Location): LOCATED AT HEAD OF PINKARO GULCH; ON PROMINENT RIDGE TO EAST OF THE HEAD OF COPPERPLATE GULCH ; INFO FROM LAND.ST :(1973)

References

Reference (Deposit): ABGMT-USBM FILE DATA

Reference (Deposit): USBM FILES, LAS TRAJAS MINE

Reference (Deposit): USGS PP 43, P. 345

Reference (Deposit): BENNETT, K.C., 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, 153 P.

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.