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:
Little Dragoon Mts, Cochise Co., Arizona, USA

Oldest recorded age at locality: 1420.01
Youngest recorded age at locality: 0

mindat Locality ID: 29078
mindat URL: http://www.mindat.org/loc-29078.html

Tectonic Settings:

Total number of sublocalities beneath "Little Dragoon Mts, Cochise Co., Arizona, USA": 87
Total number of bottom-level sublocalities: 72

Number of Child Localities: 1
Child Localities:
Cochise District

Latitude: 32°4'49"N
Longitude: 110°3'55"W
Decimal Degree (lat, lon): 32.080277777778,-110.06527777778

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 Au Ba Be Bi C Ca Cl Cr Cu F Fe H K Mg Mn Mo Na O P Pb S Sb Si Te Ti V W Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneAluniteAmorphousAmphiboleAndalusiteApatiteAragoniteBaryteBeryl
BrochantiteCalciteCaledoniteChalcopyriteClayClinozoisiteColumbiteCopperCorundumCovellite
DescloiziteDiasporeDigeniteEpidoteFeldsparFluoriteFornaciteGarnetGypsumHumite
KaoliniteLinariteMalachiteMarcasiteMicaMiniumMolybdeniteNickelineNoneNot in a structural group
OlivinePhenakitePyritePyroxeneQuartzRhodoniteRocksaltRutileScheeliteSmectite-vermiculite
SpangoliteSphaleriteSpinelTalcTetradymiteTetrahedriteTitaniteVesuvianiteWollastonite

86 IMA Minerals at location:
Acanthite  (*)Actinolite  (*)Allophane  (*)Andalusite  (*)Anglesite  (*)
Anthophyllite  (*)Antlerite  (*)Aurichalcite  (*)Azurite  (*)Baryte  (*)
Beryl  (*)Bornite  (*)Brochantite  (*)Calcite  (*)Caledonite  (*)
Cerussite  (*)Chalcocite  (*)Chalcopyrite  (*)Chondrodite  (*)Chrysocolla  (*)
Copper  (*)Covellite  (*)Cuprite  (*)Cuprotungstite  (*)Digenite  (*)
Diopside  (*)Dioptase  (*)Dolomite  (*)Epidote  (*)Ferberite  (*)
Fluorite  (*)Fornacite  (*)Forsterite  (*)Galena  (*)Goethite  (*)
Gold  (*)Grossular  (*)Gypsum  (*)Hematite  (*)Hemimorphite  (*)
Hübnerite  (*)Hydrozincite  (*)Ingodite  (*)Jarosite  (*)Kaolinite  (*)
Libethenite  (*)Linarite  (*)Magnetite  (*)Malachite  (*)Marcasite  (*)
Mimetite  (*)Minium  (*)Molybdenite  (*)Montmorillonite  (*)Mottramite  (*)
Muscovite  (*)Opal  (*)Orthoclase  (*)Plattnerite  (*)Plumbojarosite  (*)
Powellite  (*)Pyrite  (*)Pyrolusite  (*)Pyrrhotite  (*)Quartz  (*)
Rhodonite  (*)Rosasite  (*)Scheelite  (*)Shattuckite  (*)Siderite  (*)
Sillimanite  (*)Silver  (*)Spangolite  (*)Sphalerite  (*)Stolzite  (*)
Talc  (*)Tenorite  (*)Tetradymite  (*)Tetrahedrite-(Zn)  (*)Titanite  (*)
Tremolite  (*)Vesuvianite  (*)Willemite  (*)Wollastonite  (*)Wulfenite  (*)
Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S0011371052793
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)253533137072,137082,1371113419
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O5305137072,137111,137113,137116,137136470
Andalusite  (*)AndalusiteAl2SiO50011370911310
Anglesite  (*)BarytePb(SO4)004137096,137097,137104,1371052734
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)253531137111718
Antlerite  (*)Not in a structural groupCu2+3(SO4)(OH)453531137116246
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)65305137104,137105,137111,137116,137136919
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)25305137065,137111,137113,137116,1371365509
Baryte  (*)BaryteBa(SO4)53533137097,137111,13711611547
Beryl  (*)BerylBe3Al2Si6O181420.0105137062,137085,137091,137116,1371294286
Bornite  (*)NoneCu5FeS453015137058,137065,137069,137077,137079,137083,137111,137112,137116,137117,137119,137121,137136,137142,1371435516
Brochantite  (*)BrochantiteCu4(SO4)(OH)653533137097,137111,1371161633
Calcite  (*)CalciteCa(CO3)1420.01014137062,137065,137069,137072,137097,137104,137105,137109,137116,137117,137119,137121,137132,13713627770
Caledonite  (*)CaledoniteCu2Pb5(SO4)3(CO3)(OH)6001137105359
Cerussite  (*)AragonitePb(CO3)003137096,137097,1371054979
Chalcocite  (*)NoneCu2S5307137072,137083,137097,137111,137116,137117,1371435707
Chalcopyrite  (*)ChalcopyriteCuFeS21420.01023137058,137062,137065,137069,137077,137079,137083,137084,137085,137096,137097,137098,137113,137115,137116,137117,137119,137120,137121,137130,137136,137142,13714327198
Chondrodite  (*)HumiteMg5(SiO4)2F253532137111,137116285
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O5309137065,137072,137097,137105,137111,137113,137116,137126,1371363531
Copper  (*)CopperCu5305137111,137113,137116,137117,1371213846
Covellite  (*)CovelliteCuS5305137084,137096,137111,137116,1371174165
Cuprite  (*)Not in a structural groupCu2O53532137058,1371162970
Cuprotungstite  (*)NoneCu2+3(WO4)2(OH)2002137069,13708067
Digenite  (*)DigeniteCu1.8S0011370651027
Diopside  (*)PyroxeneCaMgSi2O653010137065,137072,137082,137083,137111,137116,137117,137119,137121,1371264135
Dioptase  (*)NoneCuSiO3·H2O53531137111164
Dolomite  (*)NoneCaMg(CO3)21420.01532137062,1371119895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)5305137091,137109,137111,137116,1371438173
Ferberite  (*)ColumbiteFe2+(WO4)001137124551
Fluorite  (*)FluoriteCaF253013137060,137071,137072,137084,137085,137096,137097,137109,137115,137116,137124,137129,1371369617
Fornacite  (*)FornaciteCuPb2(CrO4)(AsO4)(OH)00113709785
Forsterite  (*)OlivineMg2(SiO4)535311371111188
Galena  (*)RocksaltPbS1420.01013137062,137069,137077,137079,137084,137091,137096,137097,137105,137115,137116,137121,13712924243
Goethite  (*)DiasporeFeO(OH)53534137097,137105,137113,1371167437
Gold  (*)CopperAu003137097,137109,13714130554
Grossular  (*)GarnetCa3Al2(SiO4)3535311371111544
Gypsum  (*)GypsumCa(SO4)·2H2O1420.01534137062,137072,137111,1371166890
Hematite  (*)CorundumFe2O31420.01013137062,137072,137085,137096,137097,137098,137104,137105,137113,137116,137130,137136,13713714640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O5304137101,137105,137111,1371361689
Hübnerite  (*)ColumbiteMn2+(WO4)1420.01021137060,137062,137068,137071,137084,137085,137086,137087,137090,137091,137094,137095,137096,137097,137107,137108,137115,137116,137128,137129,137141469
Hydrozincite  (*)NoneZn5(CO3)2(OH)6002137096,1371051066
Ingodite  (*)TetradymiteBi2TeS00113708530
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)61420.01535137062,137085,137096,137097,1371162228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)41420.01532137062,1371165591
Libethenite  (*)AndalusiteCu2(PO4)(OH)53532137111,137116234
Linarite  (*)LinariteCuPb(SO4)(OH)2001137105987
Magnetite  (*)SpinelFe2+Fe3+2O41420.0105137062,137082,137116,137119,13712114899
Malachite  (*)MalachiteCu2(CO3)(OH)253010137065,137072,137096,137097,137105,137111,137113,137116,137117,13713612537
Marcasite  (*)MarcasiteFeS2535311371115674
Mimetite  (*)ApatitePb5(AsO4)3Cl0011370991107
Minium  (*)MiniumPb2+2Pb4+O4002137097,137105247
Molybdenite  (*)MolybdeniteMoS21420.0108137062,137065,137083,137111,137116,137119,137121,1371425800
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O535311371161508
Mottramite  (*)DescloizitePbCu(VO4)(OH)002137058,137097362
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)21420.01536137062,137084,137085,137096,137097,13711617380
Opal  (*)AmorphousSiO2·nH2O0011370972994
Orthoclase  (*)FeldsparK(AlSi3O8)5304137091,137116,137121,1371432349
Plattnerite  (*)RutilePbO2001137097158
Plumbojarosite  (*)AlunitePb0.5Fe3+3(SO4)2(OH)6001137105477
Powellite  (*)ScheeliteCa(MoO4)5305137096,137111,137115,137116,137143494
Pyrite  (*)PyriteFeS21420.01016137062,137065,137068,137069,137083,137085,137096,137097,137109,137115,137116,137117,137119,137120,137121,13712939462
Pyrolusite  (*)RutileMnO20011370913106
Pyrrhotite  (*)NickelineFe7S80011371189056
Quartz  (*)QuartzSiO21420.01019137062,137065,137068,137072,137084,137085,137096,137097,137104,137105,137111,137113,137115,137116,137122,137124,137129,137136,13714161156
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)53531137111969
Rosasite  (*)MalachiteCuZn(CO3)(OH)2001137105454
Scheelite  (*)ScheeliteCa(WO4)53028137060,137062,137063,137068,137069,137071,137077,137079,137080,137083,137084,137085,137086,137087,137094,137095,137096,137097,137109,137111,137115,137116,137119,137121,137122,137129,137141,1371424894
Shattuckite  (*)NoneCu5(SiO3)4(OH)200113713671
Siderite  (*)CalciteFe(CO3)53532137111,1371166417
Sillimanite  (*)Not in a structural groupAl2SiO50011370591516
Silver  (*)CopperAg0011371055186
Spangolite  (*)SpangoliteCu6Al(SO4)(OH)12Cl·3H2O53531137116105
Sphalerite  (*)SphaleriteZnS53018137065,137069,137083,137084,137096,137105,137111,137113,137116,137117,137119,137120,137121,137130,137136,137137,137142,13714321482
Stolzite  (*)ScheelitePb(WO4)003137084,137096,137097156
Talc  (*)Clay TalcMg3Si4O10(OH)253532137101,1371113337
Tenorite  (*)NoneCuO53532137111,1371161101
Tetradymite  (*)TetradymiteBi2Te2S1420.0103137062,137091,137139510
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S135303137116,137119,1371215317
Titanite  (*)TitaniteCaTi(SiO4)O53532137111,1371164899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)253533137072,137083,1371162562
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)105303137091,137111,1371361395
Willemite  (*)PhenakiteZn2SiO45306137097,137104,137105,137111,137116,137129303
Wollastonite  (*)WollastoniteCaSiO35306137091,137111,137116,137117,137126,1371361247
Wulfenite  (*)ScheelitePbMoO41420.0102137062,1370971655
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)004137082,137111,137121,1371431025



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000113granite
Michelle_554Near-surface occurrence. Recently forming oxalate associated with cave deposits, in Cochise County, Arizona.


3 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."
Jen_00001131420.011419.991420±0.01U-Pb zircon   Zircon  32616Tungsten King Mine (Tungsten King Group Of Claims; Tungsten Queen Group Of Claims), Black Rock Group, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USATungsten King Granite, ArizonaAnderson (1983)10.1130/MEM161-p133GSAM161_133anorogenic
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


All locality data graciously provided by mindat.org

All age data...

Other copyright data...