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:
Last Chance Mine (1907 Mine), 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: 33022
mindat URL: http://www.mindat.org/loc-33022.html

Tectonic Settings:

Total number of sublocalities beneath "Last Chance Mine (1907 Mine), Casey Hill, Courtland, Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

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: Ag Al As Ba C Ca Cl Cu F Fe H K Mg Mn O P Pb S Si Zn 

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)2202003419
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O20200470
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)620200919
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2202005509
Baryte  (*)BaryteBa(SO4)2020011547
Brochantite  (*)BrochantiteCu4(SO4)(OH)6202001633
Calcite  (*)CalciteCa(CO3)2020027770
Chalcoalumite  (*)ChalcoalumiteCuAl4(SO4)(OH)12·3H2O2020091
Chalcophanite  (*)NoneZnMn4+3O7·3H2O20200197
Chalcopyrite  (*)ChalcopyriteCuFeS22020027198
Chlorargyrite  (*)RocksaltAgCl202001382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O202003531
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)420200951
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O20200382
Copper  (*)CopperCu202003846
Covellite  (*)CovelliteCuS202004165
Cuprite  (*)Not in a structural groupCu2O202002970
Cyanotrichite  (*)CyanotrichiteCu4Al2(SO4)(OH)12(H2O)220200179
Delafossite  (*)NoneCu1+Fe3+O220200144
Diopside  (*)PyroxeneCaMgSi2O6202004135
Dolomite  (*)NoneCaMg(CO3)2202009895
Fluorite  (*)FluoriteCaF2202009617
Galena  (*)RocksaltPbS2020024243
Glaucocerinite  (*)Woodwardite Hydrotalcite(Zn1-xAlx)(SO4)x/2(OH)2·nH2O (x < 0.5, n > 3x/2)2020020
Goethite  (*)DiasporeFeO(OH)202007437
Gypsum  (*)GypsumCa(SO4)·2H2O202006890
Hematite  (*)CorundumFe2O32020014640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O202001689
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)6202002228
Lepidocrocite  (*)LepidocrociteFe3+O(OH)20200581
Libethenite  (*)AndalusiteCu2(PO4)(OH)20200234
Malachite  (*)MalachiteCu2(CO3)(OH)22020012537
Marcasite  (*)MarcasiteFeS2202005674
Melanterite  (*)MelanteriteFe(SO4)·7H2O20200915
Opal  (*)AmorphousSiO2·nH2O202002994
Pharmacosiderite  (*)PharmacosideriteKFe3+4(AsO4)3(OH)4·6-7H2O20200428
Pyrite  (*)PyriteFeS22020039462
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)220200771
Quartz  (*)QuartzSiO22020061156
Ranciéite  (*)None(Ca,Mn2+)0.2(Mn4+,Mn3+)O2·0.6H2O20200177
Rosasite  (*)MalachiteCuZn(CO3)(OH)220200454
Siderite  (*)CalciteFe(CO3)202006417
Smithsonite  (*)CalciteZn(CO3)202002473
Sphalerite  (*)SphaleriteZnS2020021482
Talc  (*)Clay TalcMg3Si4O10(OH)2202003337
Turquoise  (*)TurquoiseCuAl6(PO4)4(OH)8·4H2O20200484
Woodwardite  (*)Woodwardite Hydrotalcite(Cu1-xAlx)(SO4)x/2(OH)2·nH2O (x < 0.5, n < 3x/2)2020057


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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