NBMG Sample Location 1764

The NBMG Sample Location 1764 is a silver and zinc mine located in Lincoln county, Nevada at an elevation of 6,499 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: NBMG Sample Location 1764  

State:  Nevada

County:  Lincoln

Elevation: 6,499 Feet (1,981 Meters)

Commodity: Silver, Zinc

Lat, Long: 37.94278, -115.59806

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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 NBMG Sample Location 1764

NBMG Sample Location 1764 MRDS details

Site Name

Primary: NBMG Sample Location 1764
Secondary: New Freiberg Project Part


Commodity

Primary: Silver
Primary: Zinc
Secondary: Copper


Location

State: Nevada
County: Lincoln
District: Freiberg (Worthington) District


Land Status

Land ownership: BLM Administrative Area
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

Not available


Ownership

Owner Name: Beam, T. And Manfras, B.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Not available


Mineral Deposit Model

Model Name: Skarn Zn-Pb


Orebody

Form: IRREGULAR


Structure

Type: R
Description: Thrust Faults

Type: L
Description: Fractures


Alterations

Alteration Type: L
Alteration Text: Silication, Bleaching, Recrystallization Of Limestone


Rocks

Name: Plutonic Rock
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Ordovician

Name: Plutonic Rock
Role: Associated
Age Type: Host Rock
Age Young: Late Ordovician

Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene


Analytical Data

Analytical Data: SAMPLE 1764 CONTAINED 10% FE, GREATER THAN 5000 PPM MN, 20 PPM AG, NO AU, 300 PPM BI, GREATER THAN 500 PPM CD, 100 PPM CO, 150 PPM CU, 1000 PPM PB, GREATER THAN 10,000 PPM ZN, 100 PPM ZR.


Materials

Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Quartz
Gangue: Calcite
Gangue: Diopside
Gangue: Chlorite
Gangue: Epidote
Gangue: Pyrite


Comments

Comment (Deposit): IRREGULAR REPLACEMENT VEIN OF FE-RICH SULFIDE-BEARING TACTITE DEVELOPED IN GREENISH-WHITE MARBLE. BROWN TO GREEN TACTITE OCCURS IN AN IRREGULAR ZONE WHICH GENERALLY TRENDS NORTH. THE REPLACEMENT VEIN IS STEEPLY INCLINED TO THE WEST AT A HIGH ANGLE TO THE BEDDING BUT ALSO EXTENDS OUTWARD ALONG BEDDING PLANES EAST OF MAIN VEIN. SOME TACTITE HAS ALSO DEVELOPED ALONG E-W FRACTURES PERPENDICULAR TO THE MAIN BODY. THE MAIN N-S BODY HAS IRREGULAR CONTACTS WITH THE WALLROCKS AND CONTAINS LARGE GOSSAN PODS. THE BODY MAY HAVE DEVELOPED ALONG A SET OF INTERSECTING FRACTURES OR FISSURES. THE DUMP IS SORTED INTO TWO DIFFERENT KINDS OF TACTITE; 1. OLIVE-GREEN TACTITE CONTAINING FIRE-GRAINED CHALCOPHYRITE AND YELLOW SPHALERITE. 2. DARK (FE-RICH) RED-BROWN-GREEN TACTITE CONTAINING ABUNDANT, CRYSTALLINE BLACK SPHALERITE, SOME CHALCOPYRITE, PYRITE, AND IS ASSOCIATED WITH OR CONTAINS PODS OF HEMATITIC GOSSAN. THE TACTITE CONSISTS OF AN INTERGROWN MIXTURE OF EPIDOTE, CHLORITE, DIOPSIDE(?) CALCITE, AND

Comment (Deposit): QUARTZ. SAMPLE 1764 WAS LAMPED AND NO SCHEELITE WAS OBSERVED. FE-RICH, HONEYCOMB GOSSAN ALSO FOUND IN ABUNDANCE ON DUMP.

Comment (Workings): CLUSTERS OF SMALL WORKINGS ARE SCATTERED THROUGHOUT CANYON. ENTIRE CANYON HAS OVER PRINT OF DRILL ROADS AND RELATED SURFACE EXPLORATION. SOME WORKINGS ARE OBLITERATED AND DUMPS HAVE BEEN REMOVED AND STOCKPILED AT MOUTH OF CANYON. CANYON CONTAINS SEVERAL OLD CABINS. SAMPLED WORKING CONSISTS OF A SHAFT 10-15 FT DEEP, AND INCLINED TO THE WEST.

Comment (Development): AREA IS STAKED AND THE SITE OF RECENT (3-5 YEARS) EXPLORATORY DRILLING AND REWORKING OF DUMPS. A SMALL AMOUNT OF ORE WAS PROBABLY SHIPPED

Comment (Location): UNSURVEYED ; INFO FROM LAND.ST :1972


References

Reference (Deposit): TSCHANZ, C.M. AND PAMPEYAN, E.H., 1970, NBMG BULL 73, P. 172.

Reference (Deposit): BENTZ, J. AND SMITH, P., 1983, FIELD EXAMINATION REPORT, OCT. 7, 1983.


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.