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.
Eira MRDS details
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.
