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 pumpernickel valley to the southwest. The deposits are similar in nature.

Deposit type: Replacement Mn

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.

Rock formation(s): Havallah Formation

Ore(s): Sedimentary Beds

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Iron

ⓘ Manganese

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Chert

ⓘ Diorite

ⓘ Quartzite

List of minerals for each chemical element

Other Databases

Link to USGS MRDS:	10045122

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References

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

Trengrove, R.R., (1959), Reconnaissance of Nevada Manganese Deposits: U.S.B.M. Rept. of Inv. 5446., P. 17-18

Southern Pacific Co., (1964), Minerals for Industry, P. 96.

USBM, (1983), Mils Data

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Black Top Claims, Gold Run Mining District, Humboldt County, Nevada, USAiRegional Level TypesBlack Top ClaimsClaim Gold Run Mining DistrictMining District Humboldt CountyCounty NevadaState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }