NBMG Sample Location 1746

The NBMG Sample Location 1746 is a gold, silver, and lead mine located in Lincoln county, Nevada at an elevation of 6,001 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: NBMG Sample Location 1746

Commodity

Primary: Gold
Primary: Silver
Primary: Lead
Secondary: Manganese
Secondary: Copper
Secondary: Zinc
Tertiary: Barium-Barite

Location

State: Nevada
County: Lincoln
District: Delamar 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

Not available

Production

Not available

Deposit

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

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Form: TABULAR

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Bleaching

Rocks

Name: Shale
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cambrian

Name: Shale
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian

Analytical Data

Analytical Data: SAMPLE 1746 CONTAINS GREATER THAN 5000 PPM MN, 300 PPM AG, 500 PPM BA, 200 PPM CU, 10000 PPM PB, 500 PPM SR, 100 PPM V, 2000 PPM ZN.

Materials

Gangue: Quartz
Unknown: Pyrite

Comments

Comment (Deposit): QUARTZ VEIN. JUST NORTH OF SHAFT COLLAR, A VEIN OF VUGGY, PRISMATIC, COMB QUARTZ STRIKES N75E, DIP STEEPLY SE. VEIN IS COMPOSED OF SEVERAL SPLAYED SUBPARALLEL BRANCHING VEINLETS, EACH LESS THAN 4 INCHES WIDE. HOWEVER, TOGETHER WITH THE INTERVENING WALLROCK, THE VEINS COMPRISE A THICKNESS OF ABOUT 2-3 FT. THE VEIN QUARTZ IS VITREOUS, WHITE, AND IN SOME CASES FORMS COCKADE STRUCTURES AROUND BLEACHED ANGULAR FRAGMENTS OF SHALE. SOME SHALE FRAGMENTS SHOW AN EARLY STAGE OF FINE QUARTZ VEINING WHICH PREDATES EMPLACEMENT OF THE MAIN VEIN (S). THE SHALE FRAGMENTS AND ENCLOSING WALLROCKS HAVE RESPONDED TO ALTERATION BY BECOMING MORE MIICACEOUS AND BLEACHING TO A LIGHT TAN OR GREEN COLOR. VERY FINE GRAINED OXIDIZED PYRITE IS PRESENT IN THE COMB QUARTZ VEIN AND QUARTZ-CEMENTED SHALE BRECCIA. MN OXIDES (INCLUDING SOME CRYSTALLINE PYROLUSITE) ARE COMMON AS COATINGS AND COATS IN VEIN MATERIAL. THE VEINS ARE VUGGY AND OPEN-CENTERED. IRON OXIDES ARE LESS ABUNDANT AND ASSOCIATED WITH PYRITE.

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

Comment (Development): AREA IS STAKED AND THE SITE OF FAIRLY RECENT SURFACE AND SUBSURFACE EXPLORATION, PROBABLY 3-4 YRS. OLD.

Comment (Workings): ONE SHAFT WITH COLLAPSED HEAD FRAME. DRILL ROADS EXTEND ALONG NORTHERN FLANK OF KNOLL OCCUPIED BY WORKINGS, INTO SADDLE AREA, AND TO EAST IN AREA OF PROSPECTS. MORE SHAFTS HIGHER ON KNOLL

References

Reference (Deposit): BENTZ, J. AND SMITH, P.,1983, FIELD EXAMINATION REPORT, SEPT. 22, 1983.

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

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.