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Tank Mountains, Yuma County, Arizona, USAi
Regional Level Types
Tank MountainsMountain Range
Yuma CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
33° 9' 37'' North , 113° 41' 42'' West
Latitude & Longitude (decimal):
33.16028,-113.69500
GRN:
N23W68
Type:
Mountain Range
Köppen climate type:
BWh : Hot deserts climate
Mindat Locality ID:
34010
Long-form identifier:
mindat:1:2:34010:5
GUID (UUID V4):
0


The NW half of these mountains are locally referred to as the Frenchman Mountains, and the eastern portion is referred to as the Puzzles Mountains.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

15 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:

ⓘ Calcite
Formula: CaCO3
ⓘ Calcite var. Iron-bearing Calcite
Formula: (Ca,Fe)CO3
ⓘ Calcite var. Manganese-bearing Calcite
Formula: (Ca,Mn)CO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Description: Abundant in quartz within the vein.
ⓘ Hematite
Formula: Fe2O3
Description: Granular.
ⓘ Jarosite
Formula: KFe3+3(SO4)2(OH)6
Colour: Yellowish
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ 'Limonite'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Description: Occurs as a vein mineral.
ⓘ Magnetite var. Lodestone
Formula: Fe2+Fe3+2O4
Description: Occurs as a vein mineral.
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
Description: Numerous small bunches in wall rock.
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Gold
Formula: Au
Localities: Reported from at least 6 localities in this region.
ⓘ Orthoclase
Formula: K(AlSi3O8)
Colour: Pinkish
Description: Occurs as coarse phenocrysts in granite country rock.
ⓘ 'Psilomelane'
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrolusite
Formula: Mn4+O2
ⓘ Quartz
Formula: SiO2
Colour: Yellowish-white
Description: Locally honeycombed.
ⓘ Talc
Formula: Mg3Si4O10(OH)2
Colour: Light green
Description: Foliated masses.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘvar. Lodestone4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘPyrolusite4.DB.05Mn4+O2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘvar. Manganese-bearing Calcite5.AB.05(Ca,Mn)CO3
ⓘvar. Iron-bearing Calcite5.AB.05(Ca,Fe)CO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘJarosite7.BC.10KFe3+3(SO4)2(OH)6
Group 9 - Silicates
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘOrthoclase9.FA.30K(AlSi3O8)
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Limonite'-
ⓘ'Psilomelane'-

List of minerals for each chemical element

HHydrogen
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ JarositeKFe33+(SO4)2(OH)6
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ Calcite var. Iron-bearing Calcite(Ca,Fe)CO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ HematiteFe2O3
Oⓘ JarositeKFe33+(SO4)2(OH)6
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ PyrolusiteMn4+O2
Oⓘ QuartzSiO2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Magnetite var. LodestoneFe2+Fe23+O4
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Calcite var. Iron-bearing Calcite(Ca,Fe)CO3
MgMagnesium
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ JarositeKFe33+(SO4)2(OH)6
Sⓘ PyriteFeS2
KPotassium
Kⓘ JarositeKFe33+(SO4)2(OH)6
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ OrthoclaseK(AlSi3O8)
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
Caⓘ Calcite var. Iron-bearing Calcite(Ca,Fe)CO3
MnManganese
Mnⓘ Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
Mnⓘ PyrolusiteMn4+O2
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ JarositeKFe33+(SO4)2(OH)6
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ Magnetite var. LodestoneFe2+Fe23+O4
Feⓘ Calcite var. Iron-bearing Calcite(Ca,Fe)CO3
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuⓘ MalachiteCu2(CO3)(OH)2
AuGold
Auⓘ Native GoldAu

Localities in this Region

USA
USA

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

Wilson, Eldred D. (1933) Geology and Mineral Deposits of Southern Yuma County, Arizona. University of Arizona Bulletin 134. Arizona Bureau of Minespp.123-124
Shackley, M.S. (1991) Tank Mountains obsidian - A newly discovered archaeological obsidian source in east-central Yuma County, Arizona: Kiva: 57(1): 17-25.
Ferguson, C.A., Skotnicki, S.J., and Spencer, J.E. (1994) Bedrock geology of the eastern and central Tank Mountains, Yuma County area, Arizona [Palomas Mts. SE, Palomas Mts. SW, Palomas Mts. NE, and Palomas Mts. NW 7.5 min]: Arizona Geological Survey Open-File Report 94-08, 33 p., 2 sheets, scale 1:24,000.
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.
Grubensky, M.J., Haxel, G.B., and Demsey, K.A. (1995) Geologic map of the southeastern Kofa Mountains and western Tank Mountains, southwestern Arizona [Neversweat Ridge, Engesser Pass, Hoodoo Well, Kofa Butte, Palm Canyon, Kofa Deep Well, and Charlie Died Tank 7.5 min]: U.S. Geological Survey Miscellaneous Investigations Series Map I-2454, 1 sheet, scale 1:62,500.
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