Eira

The Eira 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: Eira

Commodity

Primary: Gold
Secondary: Silver

Location

State: Nevada
County: Elko
District: Tuscarora District

Land Status

Not available

Holdings

Not available

Workings

Type: Underground

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
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: E-Striking Faults Conjugate To A Set Of Nw-Striking Faults

Alterations

Alteration Type: L
Alteration Text: Inner Potassic Zone; Early Outer Propylitic Zone

Rocks

Name: Andesite
Role: Host
Age Type: Host Rock Unit
Age Young: Oligocene

Name: Andesite
Role: Host
Age Type: Host Rock
Age Young: Oligocene

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

Analytical Data

Not available

Materials

Ore: Silver

Comments

Comment (Development): MAJORITY OF PRODUCTION OCCURRED PRIOR TO 1890.

Comment (Production): MAJOR PRODUCTION OCCURRED PRIOR TO 1890

Comment (Deposit): TYPICAL BONANZA-TYPE EPITHERMAL VEIN DEPOSIT. THE LARGER ORE SHOOTS PITCH NORTHWARD ALONG THE JUNCTION OF FISSURES

References

Reference (Production): NOLAN, T.B.(1936); EMMONS, W.H.(1910) P.61

Reference (Deposit): EMMONS, W.H., 1910, USGS BULL 408

Reference (Deposit): NOLAN, T.B., 1936, NBMG BULL 25

Reference (Deposit): SMITH, R.M., 1976, USGS OFR 76-56

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.