Oest Mine

The Oest Mine is a gold and silver mine located in Lyon county, Nevada at an elevation of 5,299 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

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: Oest Mine
Secondary: NBMG # 3654

Commodity

Primary: Gold
Primary: Silver

Location

State: Nevada
County: Lyon
District: Comstock Lode

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Type: Underground

Ownership

Owner Name: Dayton Mining Co.
Years: 1943 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1888
Discovery Year: 1887
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: Great Basin
Physiographic Detail: Basin And Mountains

Mineral Deposit Model

Not available

Orebody

Form: TABULAR, LENSES

Structure

Type: R
Description: The Northeast-Trending Fault System Forms A Major Structure That Can Be Traced On The Surface For Over Two Miles Along The Strike

Type: L
Description: Haywood-Oest Fault

Alterations

Not available

Rocks

Name: Metavolcanic Rock
Role: Host
Age Type: Host Rock
Age Young: Late Triassic

Analytical Data

Not available

Materials

Ore: Electrum
Gangue: Quartz

Comments

Comment (Development): OEST MINING CO SANK A 300-FT. SHAFT AND RECORDED 1887-1892 PRODUCTION ; ECON.COM: FROM 1887-1892 ABOUT $564,364 FROM 6,588 TONS OR $85/TON. ABOUT 450 TONS OF LOW GRADE $10/TON IN THE 1940S BY DAYTON CO.

Comment (Deposit): VEIN, FAULT ZONE (SILVER CITY FAULT, COMET FAULT, HAYWOOD-OEST FAULT) OREBODY IS NEAR JUNCTION OF TWO VEINS.

Comment (Geology): OREBODY IS WEAR JUNCTION OF TWO VEINS. THE ORE WAS REPORTED TO BE FREE GOLD AND ELECTRUM AND WAS CONCENTRATED IN TABULAR LENSES NEAR THE JUNCTION OF TWO VEINS ALONG THE MAJOR STRUCTURE.

Comment (Deposit): THIS MINE WAS PART OF THE DAYTON MINE PROPERTY AND WAS LOCATED ON THE FOOTWALL OF THE SILVER CITY BRANCH OF THE COMSTOCK LODE. THE DAYTON MINE PURCHASED IT IN 1943. THE OEST MINING COMPANY SANK A 300 FT SHAFT AND RECORDED A PRODUCTION FROM 1887-1892 OF $564,364 FROM 6,588 TONS, OR $85/TON. THE MINERALIZED ZONE IS FROM 40 TO 150 FT WIDE AND CONTAINS SMALL LENSES OF HIGH-GRADE GOLD ORE. THE DAYTON MINED 450 TONS OF $10 ORE. ; INFO.SRC : 1 PUB LIT

Comment (Location): MINING DISTRICT ALSO NOTED AS SILVER CITY. THE MINE IS 3/4 OF A MILE SOUTHWEST OF SILVER CITY.

Comment (Workings): SHAFT, DRIFTS A 300 FOOT SHAFT,DRIFTS, AND RAISES NOT DESCRIBED. THE BIG SHAFT WAS SUNK ON THE FOOTWALL SIDE OF THE SILVER CITY.

Comment (Production): ABOUT 7000 TONS OF MOSTLY HIGH-GRADE ORE $85/TON), MINED FROM 1887-1892,WITH ABOUT 450 TONS OF THAT AVERAGING ONLY $10/TON, MINED LATER BY THE DAYTON, CO.

References

Reference (Deposit): STODDARD, CARL, AND CARPENTER, J.A., 1950, MINERAL RESOURCES OF STOREY AND LYON COUNTIES, NEVADA: NBMG BULL 49

Reference (Deposit): GIANELLA, V.P., 1936, GEOLOGY OF THE SILVER CITY DISTRICT AND THE SOUTHERN PORTION OF THE COMSTOCK LODE, NEVADA; UNIV. OF NEV. BULL. VOL 30, NO. 9

Reference (Deposit): TELLURIDE CLAIMS SILVER CITY MINING DISTRICT,LYON COUNTY,QUADE VISIT SITE 5-11-89,NBMG UNPUBLISHED MINING DISTRICT FILES (TINGLEY FILES).

Reference (Production): STODDARD, C., AND CARPENTER, J.A., 1950

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.