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Last Chance Mine (1907 Mine), Casey Hill, Courtland, Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USAi
Regional Level Types
Last Chance Mine (1907 Mine)Mine
Casey HillHill
Courtland- not defined -
Turquoise District (Courtland-Gleeson District)Mining District
Dragoon MtsMountain Range
Cochise Co.County
ArizonaState
USACountry

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Key
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Latitude & Longitude (WGS84):
31° 46' 5'' North , 109° 48' 55'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Elfrida459 (2011)15.2km
Sunizona281 (2011)19.9km
McNeal238 (2011)23.1km
Tombstone1,312 (2017)24.6km
Dragoon209 (2011)35.8km


A former small surface and undeerground Pb-Zn-Cu-Ag-Au-Gemstone mine located in the corner of secs. 16, 17, 20 & 21, T19S, R25E, on the northern slope of Casey Hill, approximately ½ mile NW of Courtland. Produced 1912-1949. Owned by A.G. Stevenson (1949), and leased to D.F. Morris; and, Warnekros.

Mineralization is a replacement deposit with irregular pockets and blanket-like deposits of lead, zinc, and minor copper ores, largely oxidized, in Pennsylvanian-Permian Naco Group limestone. Ore control was by faults and fractures in Limestone; also, along a dike perpendicular to bedding.

An orebody stoped in 1949 occurred near the south boundary fault and ranged in thickness from 1½ feet on the north to 10 feet on the south. It contained sulfides.

Here the principal rock is medium-bedded gray Naco Limestone which in places includes lenses of chert and layers of shale or hornfels. Monzonite porphyry irregularly intrudes the limestone. The beds strike N30W and dip prevailingly eastward (40-50NE), but locally are deformed by flexures, low-angle faults, and steeply-dipping faults.

Workings are shallow. An old shaft was reported to be 100 feet deep with approximately 75 feet of southwesterly drift. About 700 tons of ore were produced intermittently from 1912 through 1949.

Regions containing this locality

North America PlateTectonic Plate
Sonoran Desert, North AmericaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


47 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Rolf Luetcke
Allophane
Formula: (Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Reference: Rolf Luetcke
Aurichalcite
Formula: (Zn,Cu)5(CO3)2(OH)6
Reference: Rolf Luetcke
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Rolf Luetcke
Baryte
Formula: BaSO4
Reference: rolf luetcke
Brochantite
Formula: Cu4(SO4)(OH)6
Reference: Rolf Luetcke
Calcite
Formula: CaCO3
Reference: Rolf Luetcke
Chalcoalumite
Formula: CuAl4(SO4)(OH)12 · 3H2O
Reference: Rolf Luetcke
Chalcophanite
Formula: (Zn,Fe,Mn)Mn3O7 · 3H2O
Reference: Rolf Luetcke
Chalcopyrite
Formula: CuFeS2
Reference: Rolf Luetcke
Chlorargyrite
Formula: AgCl
Reference: Rolf Luetcke
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Rolf Luetcke
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: Rolf Luetcke
Copiapite
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Reference: Rolf Luetcke
Copper
Formula: Cu
Reference: Rolf Luetcke
Covellite
Formula: CuS
Reference: Rolf Luetcke
Cuprite
Formula: Cu2O
Reference: Rolf Luetcke
Cuprite var: Chalcotrichite
Formula: Cu2O
Reference: Rolf Luetcke
Cyanotrichite
Formula: Cu4Al2(SO4)(OH)12 · 2H2O
Reference: Rolf Luetcke
Delafossite
Formula: CuFeO2
Reference: Rolf Luetcke
Diopside
Formula: CaMgSi2O6
Reference: rolf luetcke
Dolomite
Formula: CaMg(CO3)2
Reference: Rolf Luetcke
Fluorite
Formula: CaF2
Reference: Rolf Luetcke
Galena
Formula: PbS
Reference: Wilson, E.D., et al (1951), Arizona zinc and lead deposits, part II, AZ Bur. Mines Bull. 158: 20.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Rolf Luetcke
Glaucocerinite
Formula: (Zn1-xAlx)(OH)2(SO4)x/2 · nH2O
Reference: rolf luetcke
Goethite
Formula: α-Fe3+O(OH)
Reference: Rolf Luetcke
Gypsum
Formula: CaSO4 · 2H2O
Reference: Rolf Luetcke
Hematite
Formula: Fe2O3
Reference: Rolf Luetcke
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Reference: Rolf Luetcke
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: Rolf Luetcke
Lepidocrocite
Formula: γ-Fe3+O(OH)
Reference: rolf luetcke
Libethenite
Formula: Cu2(PO4)(OH)
Reference: Rolf Luetcke
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Rolf Luetcke
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Rolf Luetcke
Marcasite
Formula: FeS2
Reference: rolf luetcke
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Reference: Rolf Luetcke
Opal
Formula: SiO2 · nH2O
Reference: Rolf Luetcke
Pharmacosiderite
Formula: KFe3+4(AsO4)3(OH)4 · 6-7H2O
Reference: Rolf Luetcke
Pyrite
Formula: FeS2
Reference: Wilson, E.D., et al (1951), Arizona zinc and lead deposits, part II, AZ Bur. Mines Bull. 158: 20.
Pyrophyllite
Formula: Al2Si4O10(OH)2
Reference: rolf luetcke
Quartz
Formula: SiO2
Reference: Rolf Luetcke
Quartz var: Chalcedony
Formula: SiO2
Reference: Rolf Luetcke
Ranciéite
Formula: (Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
Reference: Rolf Luetcke
Rosasite
Formula: (Cu,Zn)2(CO3)(OH)2
Reference: Rolf Luetcke
Siderite
Formula: FeCO3
Reference: Rolf Luetcke
Smithsonite
Formula: ZnCO3
Reference: Rolf Luetcke
Sphalerite
Formula: ZnS
Reference: Wilson, E.D., et al (1951), Arizona zinc and lead deposits, part II, AZ Bur. Mines Bull. 158: 20.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Rolf Luetcke
Turquoise
Formula: Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Reference: MRDS database Dep. ID file #10046265, MRDS ID #M241147.
Woodwardite
Formula: Cu1-xAlx(OH)2(SO4)x/2 · nH2O
Reference: Rolf Luetcke

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Galena2.CD.10PbS
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Chalcophanite4.FL.20(Zn,Fe,Mn)Mn3O7 · 3H2O
Cuprite4.AA.10Cu2O
var: Chalcotrichite4.AA.10Cu2O
Delafossite4.AB.15CuFeO2
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Lepidocrocite4.FE.15γ-Fe3+O(OH)
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Ranciéite4.FL.40(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
Group 5 - Nitrates and Carbonates
Aurichalcite5.BA.15(Zn,Cu)5(CO3)2(OH)6
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Rosasite5.BA.10(Cu,Zn)2(CO3)(OH)2
Siderite5.AB.05FeCO3
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Brochantite7.BB.25Cu4(SO4)(OH)6
Chalcoalumite7.DD.75CuAl4(SO4)(OH)12 · 3H2O
Copiapite7.DB.35Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Cyanotrichite7.DE.10Cu4Al2(SO4)(OH)12 · 2H2O
Glaucocerinite7.DD.35(Zn1-xAlx)(OH)2(SO4)x/2 · nH2O
Gypsum7.CD.40CaSO4 · 2H2O
Jarosite7.BC.10KFe3+ 3(SO4)2(OH)6
Melanterite7.CB.35Fe2+(H2O)6SO4 · H2O
Woodwardite7.DD.35Cu1-xAlx(OH)2(SO4)x/2 · nH2O
Group 8 - Phosphates, Arsenates and Vanadates
Libethenite8.BB.30Cu2(PO4)(OH)
Pharmacosiderite8.DK.10KFe3+4(AsO4)3(OH)4 · 6-7H2O
Turquoise8.DD.15Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Allophane9.ED.20(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Diopside9.DA.15CaMgSi2O6
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Pyrophyllite9.EC.10Al2Si4O10(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Garnet Group'-X3Z2(SiO4)3
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Lepidocrocite6.1.2.2γ-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
ABX2
Delafossite7.1.1.1CuFeO2
AB3X7
Chalcophanite7.8.2.1(Zn,Fe,Mn)Mn3O7 · 3H2O
AB4X9
Ranciéite7.10.1.1(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
Group 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
Smithsonite14.1.1.6ZnCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Rosasite16a.3.1.2(Cu,Zn)2(CO3)(OH)2
Aurichalcite16a.4.2.1(Zn,Cu)5(CO3)2(OH)6
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Melanterite29.6.10.1Fe2+(H2O)6SO4 · H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
(AB)2(XO4)Zq
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)6(XO4)Zq·xH2O
Cyanotrichite31.2.1.1Cu4Al2(SO4)(OH)12 · 2H2O
Woodwardite31.2.2.1Cu1-xAlx(OH)2(SO4)x/2 · nH2O
(AB)5(XO4)Zq·xH2O
Chalcoalumite31.3.1.1CuAl4(SO4)(OH)12 · 3H2O
(AB)4(XO4)Zq·xH2O
Glaucocerinite31.4.8.1(Zn1-xAlx)(OH)2(SO4)x/2 · nH2O
Miscellaneous
Copiapite31.10.5.1Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A2(XO4)Zq
Libethenite41.6.6.2Cu2(PO4)(OH)
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)3Zq·xH2O
Pharmacosiderite42.8.1a.1KFe3+4(AsO4)3(OH)4 · 6-7H2O
(AB)7(XO4)4Zq·xH2O
Turquoise42.9.3.1Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Allophane71.1.5.1(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Pyrophyllite71.2.1.1Al2Si4O10(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Cuprite
var: Chalcotrichite
-Cu2O
'Garnet Group'-X3Z2(SiO4)3
'Limonite'-(Fe,O,OH,H2O)
Quartz
var: Chalcedony
-SiO2

List of minerals for each chemical element

HHydrogen
H TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
H BrochantiteCu4(SO4)(OH)6
H AzuriteCu3(CO3)2(OH)2
H Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
H MalachiteCu2(CO3)(OH)2
H ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2O
H Goethiteα-Fe3+O(OH)
H Aurichalcite(Zn,Cu)5(CO3)2(OH)6
H Limonite(Fe,O,OH,H2O)
H CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
H LibetheniteCu2(PO4)(OH)
H GypsumCaSO4 · 2H2O
H Rosasite(Cu,Zn)2(CO3)(OH)2
H Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
H WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H HemimorphiteZn4Si2O7(OH)2 · H2O
H PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
H ChrysotileMg3(Si2O5)(OH)4
H OpalSiO2 · nH2O
H TalcMg3Si4O10(OH)2
H Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H JarositeKFe3+ 3(SO4)2(OH)6
H Lepidocrociteγ-Fe3+O(OH)
H PyrophylliteAl2Si4O10(OH)2
H Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2O
H CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
H MelanteriteFe2+(H2O)6SO4 · H2O
CCarbon
C AzuriteCu3(CO3)2(OH)2
C MalachiteCu2(CO3)(OH)2
C SmithsoniteZnCO3
C Aurichalcite(Zn,Cu)5(CO3)2(OH)6
C CalciteCaCO3
C Rosasite(Cu,Zn)2(CO3)(OH)2
C DolomiteCaMg(CO3)2
C SideriteFeCO3
OOxygen
O TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
O BrochantiteCu4(SO4)(OH)6
O AzuriteCu3(CO3)2(OH)2
O CupriteCu2O
O Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
O MalachiteCu2(CO3)(OH)2
O ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2O
O Goethiteα-Fe3+O(OH)
O QuartzSiO2
O SmithsoniteZnCO3
O Aurichalcite(Zn,Cu)5(CO3)2(OH)6
O Limonite(Fe,O,OH,H2O)
O CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
O LibetheniteCu2(PO4)(OH)
O CalciteCaCO3
O GypsumCaSO4 · 2H2O
O Rosasite(Cu,Zn)2(CO3)(OH)2
O Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
O WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2O
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O HemimorphiteZn4Si2O7(OH)2 · H2O
O PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
O Cuprite (var: Chalcotrichite)Cu2O
O ChrysotileMg3(Si2O5)(OH)4
O OpalSiO2 · nH2O
O TalcMg3Si4O10(OH)2
O Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O HematiteFe2O3
O JarositeKFe3+ 3(SO4)2(OH)6
O Lepidocrociteγ-Fe3+O(OH)
O BaryteBaSO4
O PyrophylliteAl2Si4O10(OH)2
O DiopsideCaMgSi2O6
O Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2O
O DolomiteCaMg(CO3)2
O SideriteFeCO3
O CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
O MelanteriteFe2+(H2O)6SO4 · H2O
O Garnet GroupX3Z2(SiO4)3
O Quartz (var: Chalcedony)SiO2
O DelafossiteCuFeO2
FFluorine
F FluoriteCaF2
MgMagnesium
Mg ChrysotileMg3(Si2O5)(OH)4
Mg TalcMg3Si4O10(OH)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg DiopsideCaMgSi2O6
Mg DolomiteCaMg(CO3)2
AlAluminium
Al TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Al Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Al ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2O
Al CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
Al WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2O
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al PyrophylliteAl2Si4O10(OH)2
Al Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2O
SiSilicon
Si Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Si QuartzSiO2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si ChrysotileMg3(Si2O5)(OH)4
Si OpalSiO2 · nH2O
Si TalcMg3Si4O10(OH)2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si PyrophylliteAl2Si4O10(OH)2
Si DiopsideCaMgSi2O6
Si Garnet GroupX3Z2(SiO4)3
Si Quartz (var: Chalcedony)SiO2
PPhosphorus
P TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
P LibetheniteCu2(PO4)(OH)
SSulfur
S SphaleriteZnS
S GalenaPbS
S PyriteFeS2
S BrochantiteCu4(SO4)(OH)6
S ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2O
S CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
S GypsumCaSO4 · 2H2O
S CovelliteCuS
S WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2O
S JarositeKFe3+ 3(SO4)2(OH)6
S MarcasiteFeS2
S BaryteBaSO4
S Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2O
S CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
S MelanteriteFe2+(H2O)6SO4 · H2O
S ChalcopyriteCuFeS2
ClChlorine
Cl ChlorargyriteAgCl
KPotassium
K PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
K JarositeKFe3+ 3(SO4)2(OH)6
CaCalcium
Ca CalciteCaCO3
Ca GypsumCaSO4 · 2H2O
Ca FluoriteCaF2
Ca Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca DiopsideCaMgSi2O6
Ca DolomiteCaMg(CO3)2
MnManganese
Mn Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
Mn Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
FeIron
Fe PyriteFeS2
Fe TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Fe Goethiteα-Fe3+O(OH)
Fe Limonite(Fe,O,OH,H2O)
Fe Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
Fe PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe HematiteFe2O3
Fe JarositeKFe3+ 3(SO4)2(OH)6
Fe MarcasiteFeS2
Fe Lepidocrociteγ-Fe3+O(OH)
Fe SideriteFeCO3
Fe CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe ChalcopyriteCuFeS2
Fe DelafossiteCuFeO2
CuCopper
Cu TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Cu BrochantiteCu4(SO4)(OH)6
Cu AzuriteCu3(CO3)2(OH)2
Cu CupriteCu2O
Cu CopperCu
Cu MalachiteCu2(CO3)(OH)2
Cu ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2O
Cu Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Cu CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
Cu LibetheniteCu2(PO4)(OH)
Cu Rosasite(Cu,Zn)2(CO3)(OH)2
Cu CovelliteCuS
Cu WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2O
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu Cuprite (var: Chalcotrichite)Cu2O
Cu ChalcopyriteCuFeS2
Cu DelafossiteCuFeO2
ZnZinc
Zn SphaleriteZnS
Zn SmithsoniteZnCO3
Zn Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Zn Rosasite(Cu,Zn)2(CO3)(OH)2
Zn Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2O
AsArsenic
As PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
AgSilver
Ag ChlorargyriteAgCl
BaBarium
Ba BaryteBaSO4
PbLead
Pb GalenaPbS

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cretaceous
66 - 145 Ma



ID: 3187054
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Olenekian - Ediacaran
247.2 - 635 Ma



ID: 2817071
Paleozoic sedimentary rocks

Age: Neoproterozoic to Triassic (247.2 - 635 Ma)

Description: Undivided Paleozoic limestone, dolostone, quartzite, shale, and related sedimentary rocks. (248-544 Ma)

Comments: Original map source: Arizona Geological Survey, DI-8 Geologic Map of Arizona, Digital Spatial data for the Geologic Map of Arizona, v. 3.0, edited by S.M. Richard and S.M. Kneale, 2002, 10 p., 2 DOS HD disks. Arc/INFO export file (.e00) format, scale 1:1,000,000.

Lithology: Major:{limestone,dolostone,quartzite}, Minor:{shale}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Wilson, E.D. (1927) Geology and ore deposits of the Courtland-Gleeson region, Arizona: Arizona Bureau of Mines Bulletin No. 123, 79 p.
Wilson, E.D., et al (1951), Arizona zinc and lead deposits, part II, Arizona Bureau of Mines Bull. 158: 20.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, Arizona: 82 (Table 4).
Blair, Gerry (1992), The Rockhound's Guide to Arizona: Helena, MT, Falcon Press.
Arizona Bureau of Mines files.
MRDS database Dep. ID file #10046265, MRDS ID #M241147; and, Dep. ID #10185651, MAS ID #0040030638.

USGS MRDS Record:10046265

Mindat Articles

Collecting at the Last Chance Mine in Courtland Arizona by Rolf Luetcke



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