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:
Johnson Mine (Johnson Pit; Burro Pit; Climax Shaft; Johnson Camp Mine; Cyprus Johnson Deposit), Johnson Camp, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USA

Oldest recorded age at locality: 53
Youngest recorded age at locality: 0

mindat Locality ID: 32440
mindat URL: http://www.mindat.org/loc-32440.html

Tectonic Settings:

Total number of sublocalities beneath "Johnson Mine (Johnson Pit; Burro Pit; Climax Shaft; Johnson Camp Mine; Cyprus Johnson Deposit), Johnson Camp, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 32°6'38"N
Longitude: 110°3'48"W
Decimal Degree (lat, lon): 32.110555555556,-110.06333333333

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: Al Ba Be C Ca Cl Cu F Fe H K Mg Mn Mo Na O P Pb S Sb Si Ti W Zn 

Elements from minerals reported directly at this locality: Al Ba Be C Ca Cl Cu F Fe H K Mg Mn Mo Na O P Pb S Sb Si Ti W Zn 

Structural Groups for minerals in this locality: 
AllophaneAluniteAmphiboleAndalusiteBaryteBerylBrochantiteCalciteChalcopyriteClay
ClinozoisiteColumbiteCopperCorundumCovelliteDiasporeEpidoteFeldsparFluoriteGypsum
HumiteKaoliniteMalachiteMicaMolybdeniteNoneNot in a structural groupPhenakitePyritePyroxene
QuartzRocksaltScheeliteSmectite-vermiculiteSpangoliteSphaleriteSpinelTetrahedriteTitaniteWollastonite

46 IMA Minerals at location:
Allophane  (*)Antlerite  (*)Aurichalcite  (*)Azurite  (*)Baryte  (*)
Beryl  (*)Bornite  (*)Brochantite  (*)Calcite  (*)Chalcocite  (*)
Chalcopyrite  (*)Chondrodite  (*)Chrysocolla  (*)Copper  (*)Covellite  (*)
Cuprite  (*)Diopside  (*)Epidote  (*)Fluorite  (*)Galena  (*)
Goethite  (*)Gypsum  (*)Hematite  (*)Hübnerite  (*)Jarosite  (*)
Kaolinite  (*)Libethenite  (*)Magnetite  (*)Malachite  (*)Molybdenite  (*)
Montmorillonite  (*)Muscovite  (*)Orthoclase  (*)Powellite  (*)Pyrite  (*)
Quartz  (*)Scheelite  (*)Siderite  (*)Spangolite  (*)Sphalerite  (*)
Tenorite  (*)Tetrahedrite-(Zn)  (*)Titanite  (*)Tremolite  (*)Willemite  (*)
Wollastonite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O53530470
Antlerite  (*)Not in a structural groupCu2+3(SO4)(OH)453530246
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)653530919
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2535305509
Baryte  (*)BaryteBa(SO4)5353011547
Beryl  (*)BerylBe3Al2Si6O18535304286
Bornite  (*)NoneCu5FeS4535305516
Brochantite  (*)BrochantiteCu4(SO4)(OH)6535301633
Calcite  (*)CalciteCa(CO3)5353027770
Chalcocite  (*)NoneCu2S535305707
Chalcopyrite  (*)ChalcopyriteCuFeS25353027198
Chondrodite  (*)HumiteMg5(SiO4)2F253530285
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O535303531
Copper  (*)CopperCu535303846
Covellite  (*)CovelliteCuS535304165
Cuprite  (*)Not in a structural groupCu2O535302970
Diopside  (*)PyroxeneCaMgSi2O6535304135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)535308173
Fluorite  (*)FluoriteCaF2535309617
Galena  (*)RocksaltPbS5353024243
Goethite  (*)DiasporeFeO(OH)535307437
Gypsum  (*)GypsumCa(SO4)·2H2O535306890
Hematite  (*)CorundumFe2O35353014640
Hübnerite  (*)ColumbiteMn2+(WO4)53530469
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)6535302228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4535305591
Libethenite  (*)AndalusiteCu2(PO4)(OH)53530234
Magnetite  (*)SpinelFe2+Fe3+2O45353014899
Malachite  (*)MalachiteCu2(CO3)(OH)25353012537
Molybdenite  (*)MolybdeniteMoS2535305800
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O535301508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)25353017380
Orthoclase  (*)FeldsparK(AlSi3O8)535302349
Powellite  (*)ScheeliteCa(MoO4)53530494
Pyrite  (*)PyriteFeS25353039462
Quartz  (*)QuartzSiO25353061156
Scheelite  (*)ScheeliteCa(WO4)535304894
Siderite  (*)CalciteFe(CO3)535306417
Spangolite  (*)SpangoliteCu6Al(SO4)(OH)12Cl·3H2O53530105
Sphalerite  (*)SphaleriteZnS5353021482
Tenorite  (*)NoneCuO535301101
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13535305317
Titanite  (*)TitaniteCaTi(SiO4)O535304899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2535302562
Willemite  (*)PhenakiteZn2SiO453530303
Wollastonite  (*)WollastoniteCaSiO3535301247



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."
PorphCu-00090535353      Aurichalcite, Bornite, Calcite, Chalcopyrite, Chrysocolla, Cuprite, Diopside, Epidote, Fluorite, Galena, Hematite, Jarosite, Kaolinite, Magnetite, Molybdenite, Montmorillonite, Pyrite, Scheelite, Tenorite, TremoliteCu32440Johnson Mine (Johnson Pit; Burro Pit; Climax Shaft; Johnson Camp Mine; Cyprus Johnson Deposit), Johnson Camp, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USAJohnson CampSinger et al. (2008) USGSOFR2008_1155 


SampleSource LocalityReference URL


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