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Pure Potential Mine (North Geronimo Mine), Silver District, Trigo Mts, La Paz Co., Arizona, USAi
Regional Level Types
Pure Potential Mine (North Geronimo Mine)Mine
Silver DistrictMining District
Trigo MtsMountain Range
La Paz Co.County
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
33° 7' 16'' North , 114° 36' 41'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Cibola250 (2011)22.3km
Palo Verde171 (2011)36.4km
Winterhaven394 (2011)42.5km
Buckshot153 (2017)44.0km
Yuma94,139 (2017)44.0km


A former underground Pb-Zn-Ag-Fe-Mo-V-F mine located in East-central & the SE¼ of sec. 34, T3S, R23W, about 1.25 miles NW of the Red Cloud Mine, on BLM-administered land. Owned by Neal Mining Co. Operated in recent years for specimens.

Mineralization is argentiferous lead sulfate and carbonate, zinc carbonate, lead oxide, wulfenite, and partly altered streaks of galena in irregular bunches or in vugs in irregular lensing veins along a northward-trending fault zone that dips 35ºE., cutting Tertiary-Cretaceous rhyolite tuffs and andesitic flows. Northern part of the deposit is in fault contact with granodiorite. An irregular vein, to a few feet in maximum width occurs within the fault zone. Gangue is iron oxides, manganiferous calcite, quartz and fluorite. Ore said to average 6% Pb and 8 oz. Ag/T.

Workings include an 80 foot deep shaft and 2 short drifts on the 25 level. May have been mined in the 1880's. Operated under claim in recent years as the Pure Potential mine for specimens (vanadinite, fluorescent specimens). NOTE: This property is still under claim and lease - NO TRESPASSING.

Regions containing this locality

North America PlateTectonic Plate
Sonoran Desert, North AmericaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


13 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Reference: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 176 (Table 4); Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 64-65.
Calcite
Formula: CaCO3
Colour: White
Fluorescence: Bright red (SW UV)
Description: Vuggy.
Reference: Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 64-65; MinRec 27:363.
Calcite var: Manganoan Calcite
Formula: (Ca,Mn)CO3
Fluorescence: Bright red (SW UV)
Reference: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 176 (Table 4); Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 64-65.
Cerussite
Formula: PbCO3
Reference: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 176 (Table 4); Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 64-65.
Fluorite
Formula: CaF2
Colour: Colorless, white
Fluorescence: Bright blue (LW UV)
Description: Finely crystalline.
Reference: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 176 (Table 4); Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 64-65.
Galena
Formula: PbS
Description: A few streaks & bunches near the footwall.
Reference: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 176 (Table 4); Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 64-65.
Hematite
Formula: Fe2O3
Reference: Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 64-65.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 64-65.
Mimetite
Formula: Pb5(AsO4)3Cl
Reference: Min.Rec.: 27:363.
Minium
Formula: Pb3O4
Reference: Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 64-65.
Quartz
Formula: SiO2
Reference: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 176 (Table 4); Min.Rec.: 27:363.
Smithsonite
Formula: ZnCO3
Reference: MRDS database Dep. ID file #10027202, MRDS ID #M002459.
Vanadinite
Formula: Pb5(VO4)3Cl
Colour: Bright red
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 410; Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 64-65.
Willemite
Formula: Zn2SiO4
Reference: Collected by C. Lemanski, Jr. and crew.
Wulfenite
Formula: Pb(MoO4)
Reference: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 176 (Table 4); Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 410; Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 64-65; Min.Rec.: 27:363.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Minium4.BD.05Pb3O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
var: Manganoan Calcite5.AB.05(Ca,Mn)CO3
Cerussite5.AB.15PbCO3
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
Mimetite8.BN.05Pb5(AsO4)3Cl
Vanadinite8.BN.05Pb5(VO4)3Cl
Group 9 - Silicates
Willemite9.AA.05Zn2SiO4
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Minium7.2.8.1Pb3O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Smithsonite14.1.1.6ZnCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Mimetite41.8.4.2Pb5(AsO4)3Cl
Vanadinite41.8.4.3Pb5(VO4)3Cl
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Wulfenite48.1.3.1Pb(MoO4)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [4] coordination
Willemite51.1.1.2Zn2SiO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Calcite
var: Manganoan Calcite
-(Ca,Mn)CO3
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
CCarbon
C CalciteCaCO3
C Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
C CerussitePbCO3
C SmithsoniteZnCO3
OOxygen
O VanadinitePb5(VO4)3Cl
O CalciteCaCO3
O MimetitePb5(AsO4)3Cl
O QuartzSiO2
O WulfenitePb(MoO4)
O Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
O AnglesitePbSO4
O CerussitePbCO3
O WillemiteZn2SiO4
O HematiteFe2O3
O Limonite(Fe,O,OH,H2O)
O MiniumPb3O4
O SmithsoniteZnCO3
FFluorine
F FluoriteCaF2
SiSilicon
Si QuartzSiO2
Si WillemiteZn2SiO4
SSulfur
S GalenaPbS
S AnglesitePbSO4
ClChlorine
Cl VanadinitePb5(VO4)3Cl
Cl MimetitePb5(AsO4)3Cl
CaCalcium
Ca FluoriteCaF2
Ca CalciteCaCO3
Ca Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
VVanadium
V VanadinitePb5(VO4)3Cl
MnManganese
Mn Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
FeIron
Fe HematiteFe2O3
Fe Limonite(Fe,O,OH,H2O)
ZnZinc
Zn WillemiteZn2SiO4
Zn SmithsoniteZnCO3
AsArsenic
As MimetitePb5(AsO4)3Cl
MoMolybdenum
Mo WulfenitePb(MoO4)
PbLead
Pb VanadinitePb5(VO4)3Cl
Pb MimetitePb5(AsO4)3Cl
Pb WulfenitePb(MoO4)
Pb GalenaPbS
Pb AnglesitePbSO4
Pb CerussitePbCO3
Pb MiniumPb3O4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Wilson, E.D. (1933) Geology and Mineral Deposits of Southern Yuma County, Arizona. Arizona Bureau of Mines Bulletin 134: 64-65.
Parker, F.Z. (1966) The Geology and Mineral Deposits of the Silver District Trigo Mountains, Yuma County, Arizona. Masters Thesis, San Diego State College.
Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geological Survey Branch Bull. 192, Index of Mining Properties in Yuma County, Arizona: 176 (Table 4).
Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 410.
Mineralogical Record: 27: 363.
MRDS database Dep. ID file #10027202, MRDS ID #M002459; and, Dep. ID #10210583, MAS ID #0040120212.

USGS MRDS Record:10027202
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