Hancock

The Hancock is a iron mine located in Lander 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: Hancock
Secondary: Mickey

Commodity

Primary: Iron

Location

State: Nevada
County: Lander
District: Mccoy

Land Status

Not available

Holdings

Not available

Workings

Not available

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: 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: STRATABOUND

Structure

Type: L
Description: The Deposit Is At The Base Of The Osobb Near The Contact With The Underlying Cane Spring Limestone. A. Diorite Stock Intrudes And Has Locally Pyrometasomatized The Cane Spring About One Mile To The North.

Alterations

Not available

Rocks

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Jurassic

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Triassic

Analytical Data

Not available

Materials

Ore: Hematite
Ore: Magnetite
Gangue: Quartz
Gangue: Apatite
Gangue: Calcite

Comments

Comment (Deposit): IRON ORE OCCURS AS IRREGULAR MASSES AND BANDS REPLACING DOLOMITE BEDS IN THE OSOBB FORMATION

Comment (Geology): THE IRON ORE OCCURS AS IRREGULAR MASSES AND BANDS REPLACING DOLOMITE BEDS IN THE OSOBB FORMATION. THE OREBODIES APPEAR TO BE LOCALIZED ALONG MINERALIZED FAULTS AND SHEAR ZONES THAT INTERSECT NEARBY INTRUSIVE BODIES OF DIORITE.

Comment (Deposit): TOTAL PRODUCTION IS SLIGHTLY MORE THAN 20,000 LONG TONS AVERAGING 60% FE. THE ORE BODY STRIKES NW AND DIPS GENTLY SW IN THICK BEDDED DOLOMITE ; INFO.SRC : 1 PUB LIT

References

Reference (Deposit): STAGER, H.K. (1977) GEOLOGY AND MINERAL RESOURCES OF LANDER CO., N.B.M. BULL 88

Reference (Deposit): USBM (WINNEMUCCA) MILS NO. 69, REFERENCE NO 3201500201

Reference (Deposit): MCKEE E.H. & STEWART J. (1968) GEOLOGIC MAP OF THE MCCOY QUADRANGLE, USGS OPEN-FILE MAP

Reference (Production): STAGER, H.K., 1977.

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.