Twig Mine

The Twig Mine is a lead and gold mine located in Greenlee county, Arizona at an elevation of 6,480 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: Twig Mine  

State:  Arizona

County:  Greenlee

Elevation: 6,480 Feet (1,975 Meters)

Primary Mineral: Lead, Gold

Lat, Long: 33.21167, -109.36389

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 Twig Mine

Twig Mine MRDS details

Site Name

Primary: Twig Mine
Secondary: Hogan Twigg Claim


Commodity

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


Location

State: Arizona
County: Greenlee
District: Copper Mountain District


Land Status

Not available


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Owner Name: Hogan, J. A.
Years: 1948 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1915
Year Last Production: 1948
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: IRREGULAR


Structure

Type: R
Description: Ne Trending Fault

Type: L
Description: Block Faulting With 500-600 Ft Downthrow On West Side Of Twig Mine Deposits


Alterations

Alteration Type: L
Alteration Text: Contact Alterration Of Precambrian Sediments To Metaquartzite Schist Host Rock


Rocks

Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene

Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene


Analytical Data

Not available


Materials

Ore: Vanadinite
Ore: Galena
Ore: Anglesite
Ore: Wulfenite
Gangue: Calcite
Gangue: Pyromorphite
Gangue: Magnetite


Comments

Comment (Geology): PINAL SCHIST IS HEAVILY SHATTERED AND FOLDED; REGIONAL EXPOSURE OF PRECAMBRIAN SCHIST DUE TO EROSION OF TERTIARY VOLCANICS; BALLS OF GALENA WEIGH UP TO 500 LB.

Comment (Location): INFO FROM LAND.ST :01; 41? (1973)

Comment (Development): OPERATORS INCLUDED J.A. HOGAN, LEWIS A. SMITH, EDWARD FITZGERALD, BRYCE WILLIS; NO PRODUCTION RECORDS FROM 1927 TO 1947

Comment (Deposit): 3 PATENTED CLAIMS LISTED AS TWIG I, TWIG II, TWIG III

Comment (Workings): OPEN CUTS ARE 75 FT IN DIAMETER WITH 20 FT MAXIMUM DEPTH; ONE SHAFT WITH DEPTH OF 65 FT; ONE TUNNEL IS 125 FT BELOW SURFACE AND IS 120 FT LONG.


References

Reference (Other Database): CIMRI

Reference (Deposit): ARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA.

Reference (Deposit): USGS PROFESSIONAL PAPER 43 (1905).

Reference (Deposit): MOOLICK, R.T., AND DUREK, J.J., 1966, THE MORENCI DISTRICT, IN GEOLOGY OF THE PORPHYRY COPPER DEPOSITS, EDITED BY TITLEY AND HICKS.

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 at Where to Find Gold in Arizona.