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:
Pearce District, Pearce Hills, Sulphur Springs Valley, Cochise Co., Arizona, USA

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

mindat Locality ID: 31251
mindat URL: http://www.mindat.org/loc-31251.html

Tectonic Settings:

Total number of sublocalities beneath "Pearce District, Pearce Hills, Sulphur Springs Valley, Cochise Co., Arizona, USA": 15
Total number of bottom-level sublocalities: 12

Number of Child Localities: 9
Child Localities:
Commonwealth Extension Mine
Copper Gold Mine (Copper-Gold Prospect)
Elanna Claims
Little Mary Mine (Copper Hill Mine)
Pearce
Pearce Area
Pittsburg Prospect (Six Mile Hill Mine Group)
Red Fox Mine
Vision Point Prospect

Latitude: 31°53'31"N
Longitude: 109°47'48"W
Decimal Degree (lat, lon): 31.891944444444,-109.79666666667

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 Br C Ca Cl Cu F Fe H I K Mn Mo O P Pb S Sb Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAdeliteAllophaneAluniteApatiteCalciteChalcopyriteClayCopperCorundum
FluoriteGypsumKaoliniteMicaMolybdeniteNonePyriteQuartzRocksaltScheelite
TetrahedriteTurquoiseWurtzite

29 IMA Minerals at location:
Acanthite  (*)Alunite  (*)Bromargyrite  (*)Calcite  (*)Chalcocite  (*)
Chalcopyrite  (*)Chlorargyrite  (*)Chrysocolla  (*)Conichalcite  (*)Fluorite  (*)
Galena  (*)Gold  (*)Gypsum  (*)Hematite  (*)Iodargyrite  (*)
Jarosite  (*)Kaolinite  (*)Mimetite  (*)Molybdenite  (*)Muscovite  (*)
Proustite  (*)Pyrite  (*)Quartz  (*)Rhodochrosite  (*)Siderite  (*)
Silver  (*)Tetrahedrite-(Zn)  (*)Turquoise  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S0011373422793
Alunite  (*)NoneKAl3(SO4)2(OH)6001137342966
Bromargyrite  (*)RocksaltAgBr001137342227
Calcite  (*)CalciteCa(CO3)004137342,137343,137344,13734927770
Chalcocite  (*)NoneCu2S0011373425707
Chalcopyrite  (*)ChalcopyriteCuFeS200113734227198
Chlorargyrite  (*)RocksaltAgCl002137342,1373471382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O0011373423531
Conichalcite  (*)AdeliteCaCu(AsO4)(OH)001137342363
Fluorite  (*)FluoriteCaF2003137342,137344,1373459617
Galena  (*)RocksaltPbS00113734224243
Gold  (*)CopperAu004137342,137343,137344,13734730554
Gypsum  (*)GypsumCa(SO4)·2H2O0011373426890
Hematite  (*)CorundumFe2O3002137342,13734314640
Iodargyrite  (*)WurtziteAgI001137342180
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)60011373422228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)40011373425591
Mimetite  (*)ApatitePb5(AsO4)3Cl0011373421107
Molybdenite  (*)MolybdeniteMoS20011373425800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)200113734217380
Proustite  (*)NoneAg3AsS3001137342733
Pyrite  (*)PyriteFeS200113734239462
Quartz  (*)QuartzSiO2004137341,137342,137343,13734461156
Rhodochrosite  (*)CalciteMn(CO3)0011373421711
Siderite  (*)CalciteFe(CO3)002137342,1373446417
Silver  (*)CopperAg0011373425186
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S130011373425317
Turquoise  (*)TurquoiseCuAl6(PO4)4(OH)8·4H2O001137348484
Wulfenite  (*)ScheelitePbMoO40011373421655



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.


1 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."


SampleSource LocalityReference URL


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