Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Casey Hill, Courtland, Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USA

Oldest recorded age at locality: 202
Youngest recorded age at locality: 0

mindat Locality ID: 275514
mindat URL: http://www.mindat.org/loc-275514.html

Tectonic Settings:

Total number of sublocalities beneath "Casey Hill, Courtland, Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Last Chance Mine (1907 Mine)

Latitude: 31°46'5"N
Longitude: 109°48'55"W
Decimal Degree (lat, lon): 31.768055555556,-109.81527777778

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al As Ba C Ca Cl Cu F Fe H K Mg Mn O P Pb S Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAluniteAmorphousAmphiboleAndalusiteBaryteBrochantiteCalciteChalcoalumiteChalcopyrite
ClayCopiapiteCopperCorundumCovelliteCyanotrichiteDiasporeFluoriteGypsumHydrotalcite
LepidocrociteMalachiteMarcasiteMelanteriteNoneNot in a structural groupPharmacosideritePyritePyrophyllitePyroxene
QuartzRocksaltSerpentineSphaleriteTalcTurquoiseWoodwardite

47 IMA Minerals at location:
Actinolite  (*)Allophane  (*)Aurichalcite  (*)Azurite  (*)Baryte  (*)
Brochantite  (*)Calcite  (*)Chalcoalumite  (*)Chalcophanite  (*)Chalcopyrite  (*)
Chlorargyrite  (*)Chrysocolla  (*)Chrysotile  (*)Copiapite  (*)Copper  (*)
Covellite  (*)Cuprite  (*)Cyanotrichite  (*)Delafossite  (*)Diopside  (*)
Dolomite  (*)Fluorite  (*)Galena  (*)Glaucocerinite  (*)Goethite  (*)
Gypsum  (*)Hematite  (*)Hemimorphite  (*)Jarosite  (*)Lepidocrocite  (*)
Libethenite  (*)Malachite  (*)Marcasite  (*)Melanterite  (*)Opal  (*)
Pharmacosiderite  (*)Pyrite  (*)Pyrophyllite  (*)Quartz  (*)Ranciéite  (*)
Rosasite  (*)Siderite  (*)Smithsonite  (*)Sphalerite  (*)Talc  (*)
Turquoise  (*)Woodwardite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2202011368783419
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O20201136878470
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)620201136878919
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2202011368785509
Baryte  (*)BaryteBa(SO4)2020113687811547
Brochantite  (*)BrochantiteCu4(SO4)(OH)6202011368781633
Calcite  (*)CalciteCa(CO3)2020113687827770
Chalcoalumite  (*)ChalcoalumiteCuAl4(SO4)(OH)12·3H2O2020113687891
Chalcophanite  (*)NoneZnMn4+3O7·3H2O20201136878197
Chalcopyrite  (*)ChalcopyriteCuFeS22020113687827198
Chlorargyrite  (*)RocksaltAgCl202011368781382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O202011368783531
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)420201136878951
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O20201136878382
Copper  (*)CopperCu202011368783846
Covellite  (*)CovelliteCuS202011368784165
Cuprite  (*)Not in a structural groupCu2O202011368782970
Cyanotrichite  (*)CyanotrichiteCu4Al2(SO4)(OH)12(H2O)220201136878179
Delafossite  (*)NoneCu1+Fe3+O220201136878144
Diopside  (*)PyroxeneCaMgSi2O6202011368784135
Dolomite  (*)NoneCaMg(CO3)2202011368789895
Fluorite  (*)FluoriteCaF2202011368789617
Galena  (*)RocksaltPbS2020113687824243
Glaucocerinite  (*)Woodwardite Hydrotalcite(Zn1-xAlx)(SO4)x/2(OH)2·nH2O (x < 0.5, n > 3x/2)2020113687820
Goethite  (*)DiasporeFeO(OH)202011368787437
Gypsum  (*)GypsumCa(SO4)·2H2O202011368786890
Hematite  (*)CorundumFe2O32020113687814640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O202011368781689
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)6202011368782228
Lepidocrocite  (*)LepidocrociteFe3+O(OH)20201136878581
Libethenite  (*)AndalusiteCu2(PO4)(OH)20201136878234
Malachite  (*)MalachiteCu2(CO3)(OH)22020113687812537
Marcasite  (*)MarcasiteFeS2202011368785674
Melanterite  (*)MelanteriteFe(SO4)·7H2O20201136878915
Opal  (*)AmorphousSiO2·nH2O202011368782994
Pharmacosiderite  (*)PharmacosideriteKFe3+4(AsO4)3(OH)4·6-7H2O20201136878428
Pyrite  (*)PyriteFeS22020113687839462
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)220201136878771
Quartz  (*)QuartzSiO22020113687861156
Ranciéite  (*)None(Ca,Mn2+)0.2(Mn4+,Mn3+)O2·0.6H2O20201136878177
Rosasite  (*)MalachiteCuZn(CO3)(OH)220201136878454
Siderite  (*)CalciteFe(CO3)202011368786417
Smithsonite  (*)CalciteZn(CO3)202011368782473
Sphalerite  (*)SphaleriteZnS2020113687821482
Talc  (*)Clay TalcMg3Si4O10(OH)2202011368783337
Turquoise  (*)TurquoiseCuAl6(PO4)4(OH)8·4H2O20201136878484
Woodwardite  (*)Woodwardite Hydrotalcite(Cu1-xAlx)(SO4)x/2(OH)2·nH2O (x < 0.5, n < 3x/2)2020113687857



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_554Near-surface occurrence. Recently forming oxalate associated with cave deposits, in Cochise County, Arizona.


2 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Michelle_55400Recent Age of whewellite mineralizationhigh   YesWhewellite 15570Cochise Co., Arizona, USACochise CountyHofmann and Bernasconi (1998)10.1016/S0009-2541(98)00043-6CG149_127Described as "recent cave deposits."
UBCMDRUSP2_1_Copper_Belle01202200.6201.3±0.7     Yes  3316Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USACourland Gleeson areaLang (2001) UBCMDRUSP2_1 


SampleSource LocalityReference URL


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