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Picacho View Mine, White Picacho Mining District, Yavapai County, Arizona, USAi
Regional Level Types
Picacho View MineMine
White Picacho Mining DistrictMining District
Yavapai CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
33° 57' 45'' North , 112° 33' 50'' West
Latitude & Longitude (decimal):
33.96250,-112.56400
GeoHash:
G#:9qpcnw9mu
GRN:
N23W67
Type:
Mine
Köppen climate type:
BSh : Hot semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Morristown227(2017)13.0km
Wickenburg6,806(2017)15.3km
Wittmann763(2011)20.9km
Yarnell649(2011)33.4km
Congress1,975(2014)34.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Wickenburg Gem and Mineral SocietyWickenburg, Arizona15km
Daisy Mountain Rock & Mineral ClubAnthem, Arizona40km
Black Canyon City Rock ClubBlack Canyon City, Arizona40km
Mindat Locality ID:
52657
Long-form identifier:
mindat:1:2:52657:4
GUID (UUID V4):
0
Other/historical names associated with this locality:
Starlight Mine; Anderson pegmatites; Homestead claim; Homestead lode; Homestead Mine; Monster Mine; Buena Vista Mine


A former surface and underground Be-Nb-Ta-REE-Li-W-Feldspar-Mica mine with traces of Pb-Zn-Mo-Au, located in the E½ of the NW¼ sec. 10, T.7N., R.3W., about ¼ mile NE of Mitchell Wash. Discovered 1939. First produced 1942.

The main pegmatite body is a large, irregular mass that is essentially rectangular in plan. It is about 240 feet long, 140 feet in maximum outcrop breadth, and trends N.55ºE. Its NW side dips 35º to 55º SE, and much steeper southeastward dips along its opposite side suggest a marked downward thinning of the entire mass. The steep dip of the contact at the SW end of the main cut may reflect only a local roll; however, as the same contact dips 35º SE where exposed just beyond the cut, as well as in the nearby adit.

The country rock is thinly foliated quartz-mica schist and quartz-mica-amphibole schist, with interlayered epidote and chlorite-rich rocks that appear to include both pyroclastic and intrusive types. The foliation and layering trend ENE to E, and dip 30º or less in both northwesterly and southeasterly directions.

Many stringers, dikes, and large, irregular pods of pegmatite are scattered through the older rocks, and a curving pegmatite dike about 160 feet long and 30 to 40 feet wide forms a dsmall ridge SW of the main dike. The pegmatite-wallrock contacts are very sharp in most places, and locally show much evidence of shearing. Small-scale "feathering" of pegmatite into schist is common, and larger irregularities appear in a few places.

The main pegmatite comprises 5 well-defined zones. A discontinuous outer selvage, approximately 8 inches (20 cm) in maximum thickness, is a fine- to medium-grained aggregate of quartz, etc. There is also a wall zone, the outer intermediate zone, the inner intermediate zone, and the core (see Jahns 1952 for greater details).

Workings include a large main cut at 120 feet long and about 40 feet wide and 18 to 27 feet deep.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘAlbite
Formula:Na(AlSi3O8)
ⓘ'Allanite Group'
Formula:(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘArsenopyrite
Formula:FeAsS
ⓘBeryl
Formula:Be3Al2(Si6O18)
ⓘ'Biotite'
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘCerussite
Formula:PbCO3
Description: Present chiefly along fractures in quartz.
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘFluorite
Formula:CaF2
ⓘGalena
Formula:PbS
ⓘ'Garnet Group'
Formula:X3Z2(SiO4)3
ⓘHemimorphite
Formula:Zn4Si2O7(OH)2 · H2O
Description: Present chiefly along fractures in quartz.
ⓘ'K Feldspar'
Description: Perthitic.
ⓘ'Lepidolite'
ⓘ'Limonite'
Description: As pseudomorphs after pyrite cubes 1/8 inch to nearly 1 inch diameter, scattered in and along margins of ¼ to 6 inch fracture fillings of quartz.
ⓘMicrocline
Formula:K(AlSi3O8)
ⓘ'Microlite Group'
Formula:A2-mTa2X6-wZ-n
Habit: Crystals with sharply defined octahedral & dodecahedral faces
Colour: Olive-green to dark brown & black
ⓘMolybdenite
Formula:MoS2
ⓘMolybdite
Formula:MoO3
Description: Present chiefly along fractures in quartz.
ⓘMontebrasite
Formula:LiAl(PO4)(OH)
ⓘMuscovite
Formula:KAl2(AlSi3O10)(OH)2
ⓘMuscovite var. Sericite
Formula:KAl2(AlSi3O10)(OH)2
Colour: Yellow to yellowish-green
Description: Occurs as almond-shaped masses of very fine-grained material.
ⓘPyrite
Formula:FeS2
ⓘ'Pyrochlore Group'
Formula:A2Nb2(O,OH)6Z
Colour: Olive-green to dark brown and black
ⓘQuartz
Formula:SiO2
ⓘSchorl
Formula:NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Habit: Prismatic crystals 1/8 to 1¼ inch diameter & radiating bunches
Colour: Black
ⓘSphalerite
Formula:ZnS
ⓘSpodumene
Formula:LiAlSi2O6
ⓘ'Tantalite'
Formula:(Mn,Fe)(Ta,Nb)2O6
ⓘ'Tourmaline'
Formula:AD3G6 (T6O18)(BO3)3X3Z
ⓘWulfenite
Formula:Pb(MoO4)
Description: Present chiefly along fractures in quartz.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘGalena2.CD.10PbS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘ'Microlite Group'4.00.A2-mTa2X6-wZ-n
ⓘ'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
ⓘQuartz4.DA.05SiO2
ⓘMolybdite4.E0.10MoO3
Group 5 - Nitrates and Carbonates
ⓘCerussite5.AB.15PbCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘWulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMontebrasite8.BB.05LiAl(PO4)(OH)
Group 9 - Silicates
ⓘHemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘSpodumene9.DA.30LiAlSi2O6
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Lepidolite'-
ⓘ'Limonite'-
ⓘ'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
HⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
HⓘHemimorphiteZn4Si2O7(OH)2 · H2O
HⓘMontebrasiteLiAl(PO4)(OH)
HⓘMuscoviteKAl2(AlSi3O10)(OH)2
HⓘPyrochlore GroupA2Nb2(O,OH)6Z
HⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
HⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
HⓘAllanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
LiLithium
LiⓘMontebrasiteLiAl(PO4)(OH)
LiⓘSpodumeneLiAlSi2O6
BeBeryllium
BeⓘBerylBe3Al2(Si6O18)
BBoron
BⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
BⓘTourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
CⓘCerussitePbCO3
OOxygen
OⓘAlbiteNa(AlSi3O8)
OⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OⓘBerylBe3Al2(Si6O18)
OⓘCerussitePbCO3
OⓘHemimorphiteZn4Si2O7(OH)2 · H2O
OⓘMicroclineK(AlSi3O8)
OⓘMolybditeMoO3
OⓘMontebrasiteLiAl(PO4)(OH)
OⓘMuscoviteKAl2(AlSi3O10)(OH)2
OⓘPyrochlore GroupA2Nb2(O,OH)6Z
OⓘQuartzSiO2
OⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
OⓘSpodumeneLiAlSi2O6
OⓘTantalite(Mn,Fe)(Ta,Nb)2O6
OⓘTourmalineAD3G6 (T6O18)(BO3)3X3Z
OⓘWulfenitePb(MoO4)
OⓘColumbite-(Fe)-Columbite-(Mn) Series
OⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
OⓘGarnet GroupX3Z2(SiO4)3
OⓘAllanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
FⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FⓘFluoriteCaF2
NaSodium
NaⓘAlbiteNa(AlSi3O8)
NaⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
MgⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
AlⓘAlbiteNa(AlSi3O8)
AlⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlⓘBerylBe3Al2(Si6O18)
AlⓘMicroclineK(AlSi3O8)
AlⓘMontebrasiteLiAl(PO4)(OH)
AlⓘMuscoviteKAl2(AlSi3O10)(OH)2
AlⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
AlⓘSpodumeneLiAlSi2O6
AlⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
SiⓘAlbiteNa(AlSi3O8)
SiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiⓘBerylBe3Al2(Si6O18)
SiⓘHemimorphiteZn4Si2O7(OH)2 · H2O
SiⓘMicroclineK(AlSi3O8)
SiⓘMuscoviteKAl2(AlSi3O10)(OH)2
SiⓘQuartzSiO2
SiⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
SiⓘSpodumeneLiAlSi2O6
SiⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
SiⓘGarnet GroupX3Z2(SiO4)3
SiⓘAllanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
PⓘMontebrasiteLiAl(PO4)(OH)
SSulfur
SⓘArsenopyriteFeAsS
SⓘGalenaPbS
SⓘMolybdeniteMoS2
SⓘPyriteFeS2
SⓘSphaleriteZnS
KPotassium
KⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
KⓘMicroclineK(AlSi3O8)
KⓘMuscoviteKAl2(AlSi3O10)(OH)2
KⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
CaⓘFluoriteCaF2
TiTitanium
TiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MnManganese
MnⓘTantalite(Mn,Fe)(Ta,Nb)2O6
MnⓘColumbite-(Fe)-Columbite-(Mn) Series
FeIron
FeⓘArsenopyriteFeAsS
FeⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeⓘPyriteFeS2
FeⓘSchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
FeⓘTantalite(Mn,Fe)(Ta,Nb)2O6
FeⓘColumbite-(Fe)-Columbite-(Mn) Series
ZnZinc
ZnⓘHemimorphiteZn4Si2O7(OH)2 · H2O
ZnⓘSphaleriteZnS
AsArsenic
AsⓘArsenopyriteFeAsS
NbNiobium
NbⓘPyrochlore GroupA2Nb2(O,OH)6Z
NbⓘTantalite(Mn,Fe)(Ta,Nb)2O6
NbⓘColumbite-(Fe)-Columbite-(Mn) Series
MoMolybdenum
MoⓘMolybdeniteMoS2
MoⓘMolybditeMoO3
MoⓘWulfenitePb(MoO4)
TaTantalum
TaⓘMicrolite GroupA2-mTa2X6-wZ-n
TaⓘTantalite(Mn,Fe)(Ta,Nb)2O6
PbLead
PbⓘCerussitePbCO3
PbⓘGalenaPbS
PbⓘWulfenitePb(MoO4)

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References

USGS 7.5 minute Red Picacho quadrangle topo. map.
Arizona Department of Mineral Resources Midnight Owl file.
MRDS database Dep. ID #10137487; and, Dep. ID #10102521, MRDS ID #M003390; and Dep. ID #10162111, MAS ID #0040251836; and, Dep. ID #10096079, MRDS ID #TC38960; and Dep. ID #10162087, MAS ID #0040251141.
Jahns, R.H. (1952), Pegmatite deposits of the White Picacho District, Maricopa and Yavapai Counties, Arizona, Arizona Bureau of Mines Bull. 162: 43 (Pl XII), 48, 50, 90-93, Plate I, Plate XX.
Dale, V.B. (1961), Tungsten Deposits of Gila, Yavapai, and Mohave Counties, Arizona, US Bureau of Mines Information Circular 8078:
USGS & Arizona Bureau of Mines, and U.S. Bureau of Reclamation (1969), Mineral and Water Resources of Arizona, Arizona Bureau of Mines Bull. 180 (USGS Bull.871): 110.
Phillips, Ken A. (1987)Arizona Industrial Minerals - Department of Mines & Minerals Report #4 (2nd ed.). Arizona Department of Mines and Mineral Resources. 197 pp.
Niemuth, N.J. (1987), Arizona Mineral Development 1984-1986, Arizona Department of Mines & Mineral Resources Directory 29, 46 pp.
Peirce, H. Wesley (1990), Arizona Geological Survey Industrial Minerals card file.
Sawyer, M.B., Gurmendi, A.C., Daley, M.R., and Howell, S.B. (1992) Principal Deposits of Strategic and Critical Minerals in Arizona, U.S. Bureau of Mines Special Publication, 334 pp.
Anthony, John W., Williams, Sidney A., Bideaux, Richard A., Grant, Raymond W. (1995)Mineralogy of Arizona (3rd ed.). University of Arizona Press.pages 298, 303
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