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:
Swisshelm Mts, Cochise Co., Arizona, USA

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

mindat Locality ID: 33257
mindat URL: http://www.mindat.org/loc-33257.html

Tectonic Settings:

Total number of sublocalities beneath "Swisshelm Mts, Cochise Co., Arizona, USA": 20
Total number of bottom-level sublocalities: 18

Number of Child Localities: 1
Child Localities:
Swisshelm District

Latitude: 31°41'55"N
Longitude: 109°32'49"W
Decimal Degree (lat, lon): 31.698611111111,-109.54694444444
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 Au Be C Ca Cl Cu F Fe H K Mg Mn Mo O Pb S Sb Si Ti U V W Zn 

Elements from minerals reported directly at this locality: Ca Mo O Ti U W 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleApatiteAragoniteBerylBrackebuschiteBranneriteCalciteChalcopyriteClay
CopperCorundumFluoriteMicaNonePyriteQuartzRocksaltScheeliteSphalerite
Tetrahedrite

22 IMA Minerals at location:
Beryl  (*)Bornite  (*)Brackebuschite  (*)Brannerite  (*)Calcite  (*)
Cerussite  (*)Chalcopyrite  (*)Chrysocolla  (*)Fluorite  (*)Galena  (*)
Gold  (*)Hematite  (*)Muscovite  (*)Powellite  (*)Pyrite  (*)
Quartz  (*)Scheelite  (*)Sphalerite  (*)Tetrahedrite-(Zn)  (*)Tremolite  (*)
Vanadinite  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Beryl  (*)BerylBe3Al2Si6O18004137359,137364,137369,1373734286
Bornite  (*)NoneCu5FeS40011373615516
Brackebuschite  (*)BrackebuschitePb2Mn3+(VO4)2(OH)00113737415
Brannerite  (*)BranneriteUTi2O6000248
Calcite  (*)CalciteCa(CO3)002137372,13737327770
Cerussite  (*)AragonitePb(CO3)003137358,137368,1373744979
Chalcopyrite  (*)ChalcopyriteCuFeS200113736127198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O0011373733531
Fluorite  (*)FluoriteCaF2003137359,137364,1373739617
Galena  (*)RocksaltPbS005137358,137360,137363,137365,13736824243
Gold  (*)CopperAu00113736130554
Hematite  (*)CorundumFe2O3002137372,13737314640
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2002137359,13737317380
Powellite  (*)ScheeliteCa(MoO4)000494
Pyrite  (*)PyriteFeS2005137358,137368,137372,137373,13737439462
Quartz  (*)QuartzSiO2004137361,137372,137373,13737461156
Scheelite  (*)ScheeliteCa(WO4)0004894
Sphalerite  (*)SphaleriteZnS00113735821482
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S130011373605317
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)20011373732562
Vanadinite  (*)ApatitePb5(VO4)3Cl001137358605
Wulfenite  (*)ScheelitePbMoO40011373661655


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

All locality data graciously provided by mindat.org

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