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Milholland Creek, Eureka Mining District, Yavapai County, Arizona, USAi
Regional Level Types
Milholland CreekCreek
Eureka Mining DistrictMining District
Yavapai CountyCounty
ArizonaState
USACountry

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09329830017272078998336.jpg
Uralite

Milholland Creek, Eureka Mining District, Yavapai County, Arizona, USA
09329830017272078998336.jpg
Uralite

Milholland Creek, Eureka Mining District, Yavapai County, Arizona, USA
09329830017272078998336.jpg
Uralite

Milholland Creek, Eureka Mining District, Yavapai County, Arizona, USA
Latitude & Longitude:
34° North , 112° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~126km
GRN:
N24W66
Type:
Creek
Mindat Locality ID:
51995
Long-form identifier:
mindat:1:2:51995:4
GUID (UUID V4):
0


An occurrence on Milholland Creek.

Mineralization is hosted in gneissic gabbro. Iron ore occurs in discontinuous dikelike formations, 3 to 8 feet wide, which are parallel to the gabbro and grade into it.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Description: Alered from pyroxene.
ⓘ 'Amphibole Supergroup var. Uralite'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Description: Alered from pyroxene.
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Description: Altered from feldspar.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘvar. Titanium-bearing Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'var. Uralite'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
OOxygen
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiSilicon
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CaCalcium
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Tiⓘ Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic 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

A.I.M.E. Ore Deposits of the Western States (1933): 511-512.
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