Rex Mine

The Rex Mine is a gold mine located in Elko county, Nevada.

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: Rex Mine

Commodity

Primary: Gold
Secondary: Silver

Location

State: Nevada
County: Elko
District: Gold Circle

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1910
Discovery Year: 1910
Years of Production:
Organization:
Significant: N
Deposit Size: M

Physiography

Not available

Mineral Deposit Model

Model Name: Epithermal vein, Comstock

Orebody

Form: TABULAR

Structure

Type: L
Description: Fault Along Rhyolite-Andesite Contact

Alterations

Alteration Type: L
Alteration Text: Silicification

Rocks

Name: Andesite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene

Name: Andesite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene

Name: Andesite
Role: Associated
Age Type: Host Rock Unit
Age Young: Pliocene

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

Analytical Data

Analytical Data: SEE CARPER (1920) N. B. OF M. DISTRICT FILES ALSO SEE SIRDEVAN (1913) N. B. OF M. MINING DISTRICT FILES.

Materials

Ore: Argentite

Comments

Comment (Geology): THE ORE LODE IS A VEIN ALONG THE FAULT CONTACT BETW/ RHYOLITE AND OVERLYING ANDESITE. THE VEIN IS A ZONE OF CRUSHED SILICIFIED FE-STAINED RHYOLITE FROM 5 TO 15 FT. WIDE. THE FOOTWALL IS THE FAULT SLICKENSLIDE. A CROSS VEIN IN THE RHYOLITE HAS BEEN DEVELOPED FOR A SHORT DISTANCE. MOST OF THE ORE IS OXIDIZED, BUT SULPHIDES (GOLD ASSOC. W/PYRITE) ARE PRESENT AT THE BOTTOM OF THE MINE.

Comment (Deposit): DEVELOPEMENT CONSISTS OF TWO SHAFTS, NUMBEROUS DRIFTS, ADITS, AND SMALL OPEN PITS. SIRDEVAN IN HIS 1913 REPORT HAS BOTH A MINE MAP AND A PROPERTY MAP. ; INFO.SRC : 1 PUB LIT

Comment (Deposit): VEIN, FAULT ZONE BEARING AURIFEROUS PYRITE & ARGENTITE

Comment (Workings): 2 SHAFTS, NUMBEROUS DRIFTS, ADITS AND SMALL OPEN PITS

References

Reference (Deposit): GRANGER A. E. ETAL (1957) MINERAL RESOURCES OF ELKO CO. NEV., NEV. BUR. OF MINES BULL 54

Reference (Deposit): CARPER A. F. (1920) REPORT ON REX MINE & COLORADO GRANDE GROUP, N. B. OF M. MINING DISTRICT FILES

Reference (Deposit): SIRDEVAN W. H. (1913) REPORT ON THE RES MINE, NEV. BUR. OF MINES, MINING DISTRICT FILES

Reference (Deposit): EMMONS W.H.(1910) RECONNAISSANCE OF ELKO, LANDER, & EUREKA COS. NEV., USGS BULL 408

Nevada Gold

Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.