Mammoth Group

The Mammoth Group is a silver and gold mine located in Pima 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

Name: Mammoth Group

State:  Arizona

County:  Pima

Elevation: 3,799 Feet (1,158 Meters)

Commodity: Silver, Gold

Lat, Long: 31.60889, -111.35917

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 Mammoth Group

Mammoth Group MRDS details

Site Name

Primary: Mammoth Group


Commodity

Primary: Silver
Primary: Gold


Location

State: Arizona
County: Pima
District: Amado District


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: F. C. Keppler


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1940
Year Last Production: 1940
Discovery Method: Unknown
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

Not available


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Near Surface Enrichment By Oxidation, Weathering


Rocks

Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Late Jurassic

Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Jurassic

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


Analytical Data

Not available


Materials

Gangue: Quartz


Comments

Comment (Location): PROSPECT IN LOWER SOUTH HALF SECTION 7, DEAD CENTER

Comment (Development): ONE YEAR PRODUCTION, 6 TONS AT APROX 1.5 OZ AU/TON AND 24 OZ. AG/TON

Comment (Geology): MINE NOT MENTIONED IN ABGMT 189. AMADO AREA DESCRIPTIONS USED.

Comment (Commodity): ARGENIFEROUS GALENA AND AURIFEROUS GALENA FOUND IN GENERAL AREA


References

Reference (Deposit): ABGMT 189, P 104

Reference (Deposit): ABGMT - USBM FILE DATA


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.