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Calico Hills, Yucca Mountain, Nye County, Nevada, USAi
Regional Level Types
Calico HillsGroup of Hills
Yucca MountainMountain
Nye CountyCounty
NevadaState
USACountry

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Latitude & Longitude (WGS84):
36° 52' 21'' North , 116° 30' 2'' West
Latitude & Longitude (decimal):
36.87250,-116.50083
GRN:
N25W67
Type:
Group of Hills
Köppen climate type:
BWk : Cold desert climate
Nearest Settlements:
PlacePopulationDistance
Beatty1,010 (2011)23.3km
Mindat Locality ID:
64343
Long-form identifier:
mindat:1:2:64343:7
GUID (UUID V4):
0


Calico Hills are a group of hills and summit in the Nevada Test site.

Structure: Calico Hills Dome With Extensive Radial Fracturing Along Margins Thrust Fault

Alteration: Silicification; Bleached, Altered Tuffs

Deposit: Veinlets along thrust fault. Argillite is silicated, fractured, with veinlets of silicate minerals possibility of buried intrusive underlying silicated rocks. ; info.src : 3 field observ; 1 pub lit; 2 unpub rept

Deposit type: Skarn Fe

Development: Inactive at time of examination. Usgs has done extensive geophysical work in area, drilled one deep diamond drill hole on west side of altered area. Examined As possible nuclear waste disposal site

Geology: Argillite of eleana fm is silicated, fractured with veinlets of silicate minerals, some epidote garnet, magnetite, forms lower plate of thrust. Upper plate bleached silicated nevada fm with brucite prospects in nevada dolomite at thrust contact. Silicated rocks form basin and lower ridges; calico hills tuffs cap ridges. Tuffs are bleached and altered with lots of vivid hematite coloration and some jasperoid veining. Small rhyolite plugs form small hills in the basin, are brecciated and contain argillite fragments. Within veins are pods of copper minerals

Rock formation(s): Calico Hills Tuff
Eleana;Nevada


Ore(s): Fracturing, Thrust Fault Contact; Igneous Contact

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

11 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Brucite
Formula: Mg(OH)2
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Hematite
Formula: Fe2O3
ⓘ Hydromagnesite
Formula: Mg5(CO3)4(OH)2 · 4H2O
ⓘ Magnesite
Formula: MgCO3
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.00.05SiO2
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘBrucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘMagnesite5.AB.05MgCO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
ⓘHydromagnesite5.DA.05Mg5(CO3)4(OH)2 · 4H2O
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Unclassified
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ BruciteMg(OH)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Hⓘ MalachiteCu2(CO3)(OH)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Cⓘ MagnesiteMgCO3
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ BruciteMg(OH)2
Oⓘ CalciteCaCO3
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ HematiteFe2O3
Oⓘ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Oⓘ MagnesiteMgCO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ QuartzSiO2
Oⓘ Garnet GroupX3Z2(SiO4)3
MgMagnesium
Mgⓘ BruciteMg(OH)2
Mgⓘ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Mgⓘ MagnesiteMgCO3
AlAluminium
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
SiSilicon
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ QuartzSiO2
Siⓘ Garnet GroupX3Z2(SiO4)3
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ MalachiteCu2(CO3)(OH)2

Other Databases

GeoNames ID:5501126
Link to USGS MRDS:10046564

Localities in this Region

USA

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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

USGS Ofr (1543)-6
Tingley, J.V., (1982), Field Examination on 7 April 1982.
Quade, J. and Bentz, J., (1983), Field Examination
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