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⇱ Dutch Flat placer deposit, Dutch Flat Mining District, Humboldt County, Nevada, USA

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Dutch Flat placer deposit, Dutch Flat Mining District, Humboldt County, Nevada, USAi
Regional Level Types
Dutch Flat placer depositDeposit
Dutch Flat Mining DistrictMining District
Humboldt CountyCounty
NevadaState
USACountry

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Latitude & Longitude (WGS84):
41° 10' 26'' North , 117° 29' 57'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Golconda214 (2011)24.6km
Winnemucca7,887 (2017)29.9km
Paradise Valley109 (2011)35.6km
Orovada155 (2011)50.0km
Mindat Locality ID:
59607
Long-form identifier:
mindat:1:2:59607:8
GUID (UUID V4):
0
Other/historical names associated with this locality:
Florence District; Wendel Group


Mouth of Sodarisi Canyon
Deposit: 11 placer claims, 160 acres of placer gravels 160 acres of placer gravels. Placer gold was discovered in the area by f.g. Wendell in 1893. Cinnabar was noted in early placer operations, but not discovered in place until 1939 at site of dutch flat lode mine. The 11 placer claims were originally owned by fg. Wendel. In 1904 the dutch flat mining co. Began working the placers with power equipment with little success due to a lack of adequate water. In 1909 and 1910, the ground was leased to chinese placer miners. Later operationswere limited to small scale activity by wendel or lesses. Over 100 pits have been sunk in the alluvial material ; info.src : 1 pub lit; 2 unpub rept; 3 field observ

Deposit type: Placer Au-PGE

Geology: Geol.com: scheelite grains 0.05 mm to 1 cm in size; gold's coarse and angular; cinnabar-dust size to 1 cm. Muggets greatest gold concentrations are right on bedrock

Ore(s): Channels, Alluvial Fans; Avg. 15 Ft Deep

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


9 valid minerals.

Detailed Mineral List:

ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Cinnabar
Formula: HgS
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Hematite
Formula: Fe2O3
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Native Gold
Formula: Au
ⓘ Pyrite
Formula: FeS2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘCinnabar2.CD.15aHgS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Unclassified
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
OOxygen
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ HematiteFe2O3
Oⓘ IlmeniteFe2+TiO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Monazite GroupREE(PO4)
Oⓘ ScheeliteCa(WO4)
Oⓘ ZirconZr(SiO4)
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Garnet GroupX3Z2(SiO4)3
FFluorine
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
AlAluminium
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ ZirconZr(SiO4)
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ Monazite GroupREE(PO4)
SSulfur
Sⓘ CinnabarHgS
Sⓘ PyriteFeS2
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CaCalcium
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ ScheeliteCa(WO4)
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
ZrZirconium
Zrⓘ ZirconZr(SiO4)
WTungsten
Wⓘ ScheeliteCa(WO4)
AuGold
Auⓘ Native GoldAu
HgMercury
Hgⓘ CinnabarHgS

Other Databases

Link to USGS MRDS:10040572

Other Regions, Features and Areas containing this locality


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References

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