Jackscrew Mine

The Jackscrew Mine is a silver mine located in Lander county, Nevada at an elevation of 7,011 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: Jackscrew Mine

State:  Nevada

County:  Lander

Elevation: 7,011 Feet (2,137 Meters)

Commodity: Silver

Lat, Long: 39.49278, -117.05944

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 Jackscrew Mine

Jackscrew Mine MRDS details

Site Name

Primary: Jackscrew Mine


Commodity

Primary: Silver
Secondary: Gold


Location

State: Nevada
County: Lander
District: Reese River District


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: Surface/Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
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

Model Name: Polymetallic veins


Orebody

Not available


Structure

Type: L
Description: Fractures, Postmineral Fractures


Alterations

Alteration Type: L
Alteration Text: Oxidation


Rocks

Name: Quartz Monzonite
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic


Analytical Data

Not available


Materials

Ore: Chalcopyrite
Ore: Stephanite
Ore: Proustite
Ore: Sphalerite
Ore: Galena
Ore: Polybasite
Ore: Argentite
Ore: Pyrargyrite
Ore: Silver
Ore: Cerargyrite
Ore: Stibnite
Gangue: Calcite
Gangue: Ankerite
Gangue: Pyrite
Gangue: Pyrolusite
Gangue: Rhodochrosite
Gangue: Quartz


Comments

Comment (Location): CHOSE A POINT IN W 1/2 SECTION; 1:24000 QUADRANGLE MAP IS A 1956 EDITION

Comment (Deposit): RETICULATE VEIN PATTERN WITH ORE SHOOTS GENERALLY LESS THAN 100 FT LONG.

Comment (Production): BETWEEN $5,000 TO $100,000 WAS PRODUCED.


References

Reference (Deposit): STEWART, J.H., MCKEE, E.H., AND STAGER, H.K., 1977, GEOLOGY AND MINERAL DEPOSITS OF LANDER COUNTY, NEVADA: NBMG. BULL. 88.

Reference (Deposit): ROSS, C.P., 1953, THE GEOLOGY AND ORE DEPOSITS OF THE REESE RIVER DISTRICT, LANDER COUNTY, NEVADA: USGS BULL. 997.


Nevada Gold

Gold Districts of Nevada

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.