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Surprise claim (Pocahontas Mine/claim), 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
Surprise claim (Pocahontas Mine/claim)Claim
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° North , 114° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
GRN:
N23W68
Type:
Claim
KΓΆppen climate type:
BWh : Hot deserts climate
Mindat Locality ID:
33401
Long-form identifier:
mindat:1:2:33401:6
GUID (UUID V4):
6bf9856a-7af9-49d4-8d2d-e3209c564783


A Pb-Ag-F-Ba-V-Mo-Zn-Au-Cu (As-Se-Be-Sb) mine. Started before 1880. Owned by the Castle Dome Mining & Smelting Co., New York; and, the Hull or Rialto Co. (1916- ).

Mineralization is irregular masses of partly oxidized argentiferous galena in a gangue of fluorite and calcite, up to 12 feet wide, and over some 2,000 feet in length, in a lensing vein along a fault zone with intersecting faults containing gouge and mineralization. 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.

Workings include a shaft at 250 feet deep and stopes worked from a series of shafts down to about 200 feet. Connected to the Railroad Mine by a 200 foot long drift. Total production for the group would be some 20,000 tons or more of ore.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

β“˜ Calcite
Formula: CaCO3
β“˜ 'Chlorite Group'
β“˜ Fluorite
Formula: CaF2
β“˜ Galena
Formula: PbS
β“˜ Galena var. Silver-bearing Galena
Formula: PbS with Ag
β“˜ Mimetite
Formula: Pb5(AsO4)3Cl
β“˜ Mimetite var. Vanadium-bearing Mimetite
Formula: Pb5(AsO4,VO4)3Cl
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Vanadinite
Formula: Pb5(VO4)3Cl
β“˜ Wulfenite
Formula: Pb(MoO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Galena2.CD.10PbS
β“˜var. Silver-bearing Galena2.CD.10PbS with Ag
Group 3 - Halides
β“˜Fluorite3.AB.25CaF2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Mimetite8.BN.05Pb5(AsO4)3Cl
β“˜Vanadinite8.BN.05Pb5(VO4)3Cl
β“˜Mimetite
var. Vanadium-bearing Mimetite		8.BN.05Pb5(AsO4,VO4)3Cl
Group 9 - Silicates
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
β“˜'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ CalciteCaCO3
Oβ“˜ MimetitePb5(AsO4)3Cl
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ VanadinitePb5(VO4)3Cl
Oβ“˜ WulfenitePb(MoO4)
Oβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oβ“˜ Mimetite var. Vanadium-bearing MimetitePb5(AsO4,VO4)3Cl
FFluorine
Fβ“˜ FluoriteCaF2
AlAluminium
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sβ“˜ GalenaPbS
Sβ“˜ Galena var. Silver-bearing GalenaPbS with Ag
ClChlorine
Clβ“˜ MimetitePb5(AsO4)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“˜ CalciteCaCO3
Caβ“˜ FluoriteCaF2
VVanadium
Vβ“˜ VanadinitePb5(VO4)3Cl
Vβ“˜ Mimetite var. Vanadium-bearing MimetitePb5(AsO4,VO4)3Cl
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
PbLead
Pbβ“˜ GalenaPbS
Pbβ“˜ MimetitePb5(AsO4)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 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

Blake (1880).
The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Prescott, AZ: 72.
Blake, William P. (1881a), Vanadinite in Arizona, American Journal of Science: 22: 235.
Blake, William P. (1881b [1882]), On the occurrence of vanadates of lead at the Castle Dome mines in Arizona, American Journal of Science, 3rd series: 22: 410-411.
(1933) Geology and Mineral Deposits of Southern Yuma County, Arizona. University of Arizona Bulletin 134. Arizona Bureau of Minesp.99
(1951, July) Arizona Zinc and Lead Deposits - Part II. University of Arizona Bulletin 158. Arizona Bureau of Minespp.111-112
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: 120 (Table 4).
(n.d.) ADMMR Mines Database, Arizona Geological Survey.
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