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Hansen & Knudsen Claims, Gold Run Mining District, Humboldt County, Nevada, USAi
Regional Level Types
Hansen & Knudsen ClaimsProspect
Gold Run Mining DistrictMining District
Humboldt CountyCounty
NevadaState
USACountry

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Latitude & Longitude (WGS84):
40° 48' 27'' North , 117° 27' 22'' West
Latitude & Longitude (decimal):
40.80767,-117.45624
GRN:
N28W64
Type:
Prospect
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Golconda214 (2011)16.4km
Winnemucca7,887 (2017)29.8km
Mindat Locality ID:
429796
Long-form identifier:
mindat:1:2:429796:6
GUID (UUID V4):
0
Other/historical names associated with this locality:
Topsy Claim 1959; Ben Claim?1984


Deposit: Deposits are mined from open cuts, and upon sorting. The material yields 1 ton ore per 4-5 tons of material. The sorted ore runs 45% mn, 10.5% s1o2, and a little iron. ; info.src : 1 pub lit; 3 field observ

Deposit type: Replacement Mn

Geology: Lenslike bodies of psilomelane and pyrolusite assoc. With rhodonite and rhodochrosite As large As 25 ft. In diameter and 2 ft. Thick. Many other lenses of oxidized ore occurred which were 10-25 ft. In diameter, and 1-2 ft. Thick. Unoxidized lenses of manganiferous chert in which the manganese occurs As rhodonite form replacement deposits in shale and quartzite. The largest lenses are 50 to 75 ft. In diameter and 6 to 10 ft. Thick

Rock formation(s): Pumpernickel


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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


3 valid minerals.

Rock Types Recorded

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

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Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘPyrolusite4.DB.05Mn4+O2
Group 5 - Nitrates and Carbonates
ⓘRhodochrosite5.AB.05MnCO3
Group 9 - Silicates
ⓘRhodonite9.DK.05CaMn3Mn[Si5O15]
Unclassified
ⓘ'Psilomelane'-

List of minerals for each chemical element

CCarbon
Cⓘ RhodochrositeMnCO3
OOxygen
Oⓘ PyrolusiteMn4+O2
Oⓘ RhodochrositeMnCO3
Oⓘ RhodoniteCaMn3Mn[Si5O15]
SiSilicon
Siⓘ RhodoniteCaMn3Mn[Si5O15]
CaCalcium
Caⓘ RhodoniteCaMn3Mn[Si5O15]
MnManganese
Mnⓘ PyrolusiteMn4+O2
Mnⓘ RhodochrositeMnCO3
Mnⓘ RhodoniteCaMn3Mn[Si5O15]

Other Databases

Link to USGS MRDS:10045123

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Ransome, F.L., & Burchard, E.F., (1920), Contributions to Economic Geology, Pt. I; U.S.G.S. Bull. 710., Plate X, P. 238-239
Trengrove, R.R., (1959), Reconnaissance of Nevada Manganese Deposits: U.S.B.M. Rept. Inv. 5446., P. 21
USBM, (1983), Mils Data
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