Black Top Claims

The Black Top Claims is a manganese mine located in Humboldt 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: Black Top Claims

Commodity

Primary: Manganese
Secondary: Iron

Location

State: Nevada
County: Humboldt
District: Buffalo Mountain Mining Area

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

Not available

Ownership

Owner Name: Knight, Edward H.
Years: 1959 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
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: Replacement Mn

Orebody

Form: BLANKET, PODS

Structure

Not available

Alterations

Not available

Rocks

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

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

Analytical Data

Analytical Data: ASSAY RESULT: 14.6% MN, 1.3% FE, 2.1% AL2 O3

Materials

Not available

Comments

Comment (Location): ON NW SIDE OF BUFFALO MOUNTAIN ON EAST SIDE OF A SMALL GULCH FROM BLACK HAWK CLAIMS. UTM IS TO ONE CENTRAL PIT OF -SEVERAL SCATTERED OVER A 800-FT RADIUS

Comment (Workings): 3 PITS AND SEVERAL TRENCHES

Comment (Geology): ORE OCCURS IN A 7-FT THICK BED OF INTERMIXED MN-OXIDES AND SILICATE. MN ORE IS IN PODS 2-7 FT. THICK AND UP TO 40 FT. LONG, PARALLEL TO BEDDING.

Comment (Deposit): LENSES OF MN ORE DEPOSITED CONTEMPORANEOUSLY WITH THE ENCLOSING SEDIMENTARY BEDS.. THIS PROSPECT IS OFTEN LISTED WITH THE MN DEPOSITS OF THE BLACK DIABLO DISTRICT IN PERSHING COUNTY, ACROSS PUMPE-RNICKEL VALLEY TO THE SOUTHWEST. THE DEPOSITS ARE SIMILAR IN N-ATURE.

References

Reference (Deposit): SHIBLER, B.K. & WELLS R.R., 1951, CONCENTRATION OF OXIDE AND SILICATE MANGANESE ORES FROM THE VICINITY OF GOLCONDA, NEVADA: U.S.B.M. REPORT OF INVESTIGATIONS 4754., P. 1, 6-8

Reference (Deposit): TRENGROVE, R.R., 1959, RECONNAISSANCE OF NEVADA MANGANESE DEPOSITS: U.S.B.M. REPT. OF INV. 5446., P. 17-18

Reference (Deposit): SOUTHERN PACIFIC CO, 1964, MINERALS FOR INDUSTRY, P. 96.

Reference (Deposit): USBM, 1983 MILS DATA.

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.