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Hull Mine group (Rialto Mine group; Hull group of claims; Rialto claims), Buckeye vein group, Castle Dome Mine group, Castle Dome Mining District, Castle Dome Mountains, Yuma County, Arizona, USAi
Regional Level Types
Hull Mine group (Rialto Mine group; Hull group of claims; Rialto claims)- not defined -
Buckeye vein group- not defined -
Castle Dome Mine group- not defined -
Castle Dome Mining DistrictMining District
Castle Dome MountainsMountain Range
Yuma CountyCounty
ArizonaState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
33° 3' 37'' North , 114° 10' 40'' West
Latitude & Longitude (decimal):
KΓΆppen climate type:
Nearest Settlements:
PlacePopulationDistance
Wellton2,936 (2017)43.2km
Tacna602 (2011)45.4km
Buckshot153 (2017)45.6km
Fortuna Foothills26,265 (2011)49.8km
El Prado Estates504 (2017)50.8km
Mindat Locality ID:
33379
Long-form identifier:
mindat:1:2:33379:8
GUID (UUID V4):
00fdb9f6-78f4-426c-b32e-8488e187ce8a


A former underground Pb-Ag-F-Ba-V-Mo-Zn-Au-Cu (As-Se-Be-Sb) mine group located in SWΒΌ sec. 24 & the North-central sec. 25, T4S, R19W (protracted), on the W side of the Castle Dome Mountains; about 3 miles N of Castle Dome Mine, 4 miles SW of Castle Dome Peak, on federal land. Started in 1863. Owned at times, or in part, by Castle Dome Mining & Smelting Co., Gondolfo & Sanquinetti, Mrs. Elizabeth De Luce, Castle Dome Mining Co., Hull Mines, Rialto Co., Joplin Lead Co., Wall, Desert Lead Co., and Taylor. Owned by Mr. G. Hull (1933). The Rialto-Hull group is considered as part of the Castle Dome Mine group.

Mineralization is irregular masses of partly oxidized argentiferous galena in a gangue of fluorite and calcite, up to 12 feet (3.66 meters) wide, and over some 2,000 feet (609.6 meters) in length, in a lensing vein along a fault zone with intersecting faults containing gouge and mineralization. The ore zone has a depth to bottom of 91.44 meters, strikes N30W, and dips 70NE. Some wulfenite and associated vanadinite and vanadiferous mimetite occur in open cavities. Wall rocks are Mesozoic shale, limestone, and sandstone, strongly sericitized with some silicification and chloritization, cut by diorite porphyry dikes. Surface exposures are limited by the gravel cover of the rock pediment. A related rock unit is the Kofa volcanics. Tectonic influences include basin and range block faulting. Ore control was the fault zone containing intersecting faults and gouge. Ore concentration was supergene enrichment.

The vein follows a fault zone in shale. Green, purple, and rose coloured fluorite is associated with calcite, baryte, galena and wulfenite in veins where metasediments have been intruded by rhyolite and diorite porphyry. Veins split and branch but are traceable for as much as 4000 feet. The fluorspar ore is usually < 5 feet thick.

Workings include stopes worked from a series of shafts down to about 200 feet, and total 518.16 meters in length. Most ore was mined prior to 1900 but fill & dumps were worked to 1960. Total production for the group would be some 20,000 tons or more of ore; about 8333 tons of ore averaging 5% Pb, 2% Cu, 1.96% oz/t Ag, minor Au.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

18 valid minerals.

Detailed Mineral List:

β“˜ Anglesite
Formula: PbSO4
β“˜ Aragonite
Formula: CaCO3
β“˜ Baryte
Formula: BaSO4
β“˜ Calcite
Formula: CaCO3
Localities:
β“˜ Cerussite
Formula: PbCO3
Habit: Sixling-twinned crystals
β“˜ 'Chlorite Group'
β“˜ Fluorite
Formula: CaF2
Localities:
β“˜ Galena
Formula: PbS
Localities:
β“˜ Galena var. Silver-bearing Galena
Formula: PbS with Ag
Localities:
β“˜ Hematite
Formula: Fe2O3
β“˜ Hydrozincite
Formula: Zn5(CO3)2(OH)6
β“˜ Kaolinite
Formula: Al2(Si2O5)(OH)4
β“˜ 'Limonite'
β“˜ Massicot
Formula: PbO
β“˜ Mimetite
Formula: Pb5(AsO4)3Cl
Localities:
β“˜ Mimetite var. Vanadium-bearing Mimetite
Formula: Pb5(AsO4,VO4)3Cl
Localities:
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities:
β“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Localities:
β“˜ Pyromorphite
Formula: Pb5(PO4)3Cl
β“˜ Quartz
Formula: SiO2
β“˜ Vanadinite
Formula: Pb5(VO4)3Cl
Localities:
β“˜ Willemite
Formula: Zn2SiO4
β“˜ Wulfenite
Formula: Pb(MoO4)
Localities:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Galena
var. Silver-bearing Galena
2.CD.10PbS with Ag
β“˜2.CD.10PbS
Group 3 - Halides
β“˜Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
β“˜Massicot4.AC.25PbO
β“˜Hematite4.CB.05Fe2O3
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Cerussite5.AB.15PbCO3
β“˜Aragonite5.AB.15CaCO3
β“˜Hydrozincite5.BA.15Zn5(CO3)2(OH)6
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Anglesite7.AD.35PbSO4
β“˜Baryte7.AD.35BaSO4
β“˜Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Vanadinite8.BN.05Pb5(VO4)3Cl
β“˜Mimetite
var. Vanadium-bearing Mimetite
8.BN.05Pb5(AsO4,VO4)3Cl
β“˜Pyromorphite8.BN.05Pb5(PO4)3Cl
β“˜Mimetite8.BN.05Pb5(AsO4)3Cl
Group 9 - Silicates
β“˜Willemite9.AA.05Zn2SiO4
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜Kaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
β“˜'Chlorite Group'-
β“˜'Limonite'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ HydrozinciteZn5(CO3)2(OH)6
Hβ“˜ KaoliniteAl2(Si2O5)(OH)4
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cβ“˜ AragoniteCaCO3
Cβ“˜ CalciteCaCO3
Cβ“˜ CerussitePbCO3
Cβ“˜ HydrozinciteZn5(CO3)2(OH)6
OOxygen
Oβ“˜ AnglesitePbSO4
Oβ“˜ AragoniteCaCO3
Oβ“˜ BaryteBaSO4
Oβ“˜ CalciteCaCO3
Oβ“˜ CerussitePbCO3
Oβ“˜ HematiteFe2O3
Oβ“˜ HydrozinciteZn5(CO3)2(OH)6
Oβ“˜ KaoliniteAl2(Si2O5)(OH)4
Oβ“˜ MassicotPbO
Oβ“˜ MimetitePb5(AsO4)3Cl
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ PyromorphitePb5(PO4)3Cl
Oβ“˜ QuartzSiO2
Oβ“˜ VanadinitePb5(VO4)3Cl
Oβ“˜ WillemiteZn2SiO4
Oβ“˜ WulfenitePb(MoO4)
Oβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oβ“˜ Mimetite var. Vanadium-bearing MimetitePb5(AsO4,VO4)3Cl
FFluorine
Fβ“˜ FluoriteCaF2
AlAluminium
Alβ“˜ KaoliniteAl2(Si2O5)(OH)4
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siβ“˜ KaoliniteAl2(Si2O5)(OH)4
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ WillemiteZn2SiO4
Siβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
PPhosphorus
Pβ“˜ PyromorphitePb5(PO4)3Cl
SSulfur
Sβ“˜ AnglesitePbSO4
Sβ“˜ BaryteBaSO4
Sβ“˜ GalenaPbS
Sβ“˜ Galena var. Silver-bearing GalenaPbS with Ag
ClChlorine
Clβ“˜ MimetitePb5(AsO4)3Cl
Clβ“˜ PyromorphitePb5(PO4)3Cl
Clβ“˜ VanadinitePb5(VO4)3Cl
Clβ“˜ Mimetite var. Vanadium-bearing MimetitePb5(AsO4,VO4)3Cl
KPotassium
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ AragoniteCaCO3
Caβ“˜ CalciteCaCO3
Caβ“˜ FluoriteCaF2
VVanadium
Vβ“˜ VanadinitePb5(VO4)3Cl
Vβ“˜ Mimetite var. Vanadium-bearing MimetitePb5(AsO4,VO4)3Cl
FeIron
Feβ“˜ HematiteFe2O3
ZnZinc
Znβ“˜ HydrozinciteZn5(CO3)2(OH)6
Znβ“˜ WillemiteZn2SiO4
AsArsenic
Asβ“˜ MimetitePb5(AsO4)3Cl
Asβ“˜ Mimetite var. Vanadium-bearing MimetitePb5(AsO4,VO4)3Cl
MoMolybdenum
Moβ“˜ WulfenitePb(MoO4)
AgSilver
Agβ“˜ Galena var. Silver-bearing GalenaPbS with Ag
BaBarium
Baβ“˜ BaryteBaSO4
PbLead
Pbβ“˜ AnglesitePbSO4
Pbβ“˜ CerussitePbCO3
Pbβ“˜ GalenaPbS
Pbβ“˜ MassicotPbO
Pbβ“˜ MimetitePb5(AsO4)3Cl
Pbβ“˜ PyromorphitePb5(PO4)3Cl
Pbβ“˜ VanadinitePb5(VO4)3Cl
Pbβ“˜ WulfenitePb(MoO4)
Pbβ“˜ Galena var. Silver-bearing GalenaPbS with Ag
Pbβ“˜ Mimetite var. Vanadium-bearing MimetitePb5(AsO4,VO4)3Cl

Other Databases

Link to USGS MRDS:10103550

Localities in this Region

Other Regions, Features and Areas containing this locality

North America
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

 
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