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:
Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA

Oldest recorded age at locality: 1079
Youngest recorded age at locality: 1075

mindat Locality ID: 112795
mindat URL: http://www.mindat.org/loc-112795.html

Tectonic Settings:

Total number of sublocalities beneath "Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA": 25
Total number of bottom-level sublocalities: 24

Number of Child Localities: 21
Child Localities:
Alkayo Tunnel Occurrence (MS 13355; Claim: Alkayo Tunnel)
Blue Bird Mine
Dorothy O Claim
Duffields Deposit (Claims: Hughes Boss; MS 14464; Hughes Boss Shaft And Leyte Open Pit; Leyte; MS 20742)
Eureka Shaft
Hillside Park Claims
Mattie B. Mine (Claims: Mattie B.; MS 20501; Trail; MS 20501; Abe Lincoln; MS 20501)
Park Lodes 1-4 Claims
St Peters Dome
St Peters Dome Fluorite Prospect (Duffields; Leyte; Hughes Boss; Mattie B; Colorado; Cather Springs; Timberline)
St Peters Dome Pegmatite Prospect
St. Peters Dome No. 1 Mine
Stove Mountain Mineral Locality (Cook Stove Mountain Mineral Locality)
Timberline Tunnel (Cather Springs Deposit; Claims: Timberline Nos. 1 And 2; MS 20026)
Trail Mines Prospect (21 Prospect)
Unknown Feldspar (MRDS - 10207677)
Unknown Fluorine - Fluorite - Gold Occurrence (MRDS - 10017794)
Unknown Fluorine - Fluorite Occurrence (MRDS - 10017741)
Unknown Fluorine-Fluorite (MRDS - 10215586)
West Cheyenne Canon
Winfield Scott Stratton

Latitude: 38°45'14"N
Longitude: 104°54'28"W
Decimal Degree (lat, lon): 38.753888888889,-104.90777777778

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 As Au Ba Be C Ca Ce Cr Cu F Fe H K Mg Mn Mo Na Nb O P Pb S Si Sn Th Ti U V Y Zn Zr 

Elements from minerals reported directly at this locality: Be Ce F Fe O S Si Ti 

Structural Groups for minerals in this locality: 
AmphiboleAragoniteAstrophylliteBaryteBastnäsiteBerylCancrinite-sodaliteChalcopyriteClayColumbite
CopperCoronaditeCorundumCrichtoniteFeldsparFluoceriteFluoriteJarliteKaoliniteLöllingite
MolybdeniteMonaziteNoneNot in a structural groupOlivinePerovskitePyritePyrochlorePyroxeneQuartz
RocksaltRutileScheeliteSodaliteSphaleriteSpinelTitaniteTopazWeberiteZircon

61 IMA Minerals at location:
Aegirine  (*)Albite  (*)Anatase  (*)Anglesite  (*)Arfvedsonite  (*)
Astrophyllite  (*)Baryte  (*)Bastnäsite-(Ce)  (*)Bertrandite  (*)Beryl  (*)
Calcjarlite  (*)Cassiterite  (*)Cerianite-(Ce)  (*)Cerussite  (*)Chalcopyrite  (*)
Columbite-(Fe)  (*)Coronadite  (*)Cryolite  (*)Danalite  (*)Elpasolite  (*)
Fayalite  (*)Fluocerite-(Ce)  (*)Fluorite  (*)Galena  (*)Gearksutite  (*)
Genthelvite  (*)Gibbsite  (*)Gold  (*)Hematite  (*)Hydrokenoralstonite  (*)
Ilmenite  (*)Kaolinite  (*)Kasolite  (*)Laihunite  (*)Löllingite  (*)
Magnetite  (*)Massicot  (*)Microcline  (*)Molybdenite  (*)Monazite-(Ce)  (*)
Murataite-(Y)  (*)Nacrite  (*)Orthoclase  (*)Pachnolite  (*)Plattnerite  (*)
Prosopite  (*)Pyrite  (*)Quartz  (*)Riebeckite  (*)Rutile  (*)
Senaite  (*)Sphalerite  (*)Thomsenolite  (*)Thorite  (*)Titanite  (*)
Topaz  (*)Uraninite  (*)Weberite  (*)Wulfenite  (*)Xenotime-(Y)  (*)
Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O6107910752188062,1880661022
Albite  (*)FeldsparNa(AlSi3O8)1079107511880628803
Anatase  (*)Not in a structural groupTiO21079107502162
Anglesite  (*)BarytePb(SO4)1079107511880622734
Arfvedsonite  (*)AmphiboleNaNa2(Fe2+4Fe3+)Si8O22(OH)2107910751188066295
Astrophyllite  (*)AstrophylliteK2NaFe2+7Ti2(Si4O12)2O2(OH)4F107910756188059,188062,188065,188066,188070,188077161
Baryte  (*)BaryteBa(SO4)107910753188057,188062,18807111547
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F107910751188062304
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)2107910752188062,188065606
Beryl  (*)BerylBe3Al2Si6O181079107511880674286
Calcjarlite  (*)JarliteNa2(Ca,   )14(Mg,   )2Al12F64(OH)41079107511880642
Cassiterite  (*)RutileSnO2107910752188062,1880705171
Cerianite-(Ce)  (*)FluoriteCeO210791075118806294
Cerussite  (*)AragonitePb(CO3)1079107511880624979
Chalcopyrite  (*)ChalcopyriteCuFeS2107910753188062,188070,18807127198
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6107910751188062518
Coronadite  (*)CoronaditePb(Mn4+6Mn3+2)O16107910751188062227
Cryolite  (*)PerovskiteNa2NaAlF6107910756188058,188062,188063,188064,188065,18807050
Danalite  (*)Cancrinite-sodalite SodaliteBe3Fe2+4(SiO4)3S10791075058
Elpasolite  (*)PerovskiteK2NaAlF6107910752188062,18806516
Fayalite  (*)OlivineFe2+2(SiO4)107910752188062,188070371
Fluocerite-(Ce)  (*)FluoceriteCeF310791075045
Fluorite  (*)FluoriteCaF21079107510188057,188058,188060,188062,188064,188065,188070,188071,188074,1880779617
Galena  (*)RocksaltPbS107910756188057,188060,188062,188064,188070,18807124243
Gearksutite  (*)NoneCaAlF4(OH)·H2O107910754188062,188063,188064,18806568
Genthelvite  (*)Cancrinite-sodalite SodaliteBe3Zn4(SiO4)3S107910753188062,188066,18807760
Gibbsite  (*)NoneAl(OH)3107910751188062504
Gold  (*)CopperAu107910752188054,18807430554
Hematite  (*)CorundumFe2O3107910752188059,18806214640
Hydrokenoralstonite  (*)Pyrochlore   2Al2F6(H2O)107910754188062,188063,188064,18806556
Ilmenite  (*)CorundumFe2+Ti4+O3107910752188059,1880625433
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4107910753188062,188064,1880655591
Kasolite  (*)NonePb(UO2)(SiO4)·H2O107910751188062198
Laihunite  (*)None(Fe3+,Fe2+,   )2(SiO4)10791075118806215
Löllingite  (*)LöllingiteFeAs2107910751188062762
Magnetite  (*)SpinelFe2+Fe3+2O410791075118805614899
Massicot  (*)NonePbO107910751188062202
Microcline  (*)FeldsparK(AlSi3O8)107910755188058,188062,188064,188065,1880664924
Molybdenite  (*)MolybdeniteMoS21079107511880625800
Monazite-(Ce)  (*)MonaziteCe(PO4)107910751188062945
Murataite-(Y)  (*)None(Y,Na)6Zn(Zn,Fe3+)4(Ti,Nb,Na)12O29(O,F,OH)10F4107910752188062,1880662
Nacrite  (*)Clay KaoliniteAl2Si2O5(OH)4107910753188058,188062,188065112
Orthoclase  (*)FeldsparK(AlSi3O8)1079107511880772349
Pachnolite  (*)NoneNaCaAlF6·H2O107910755188058,188062,188063,188064,18806518
Plattnerite  (*)RutilePbO2107910751188062158
Prosopite  (*)NoneCaAl2F4(OH)4107910754188062,188063,188064,18806539
Pyrite  (*)PyriteFeS2107910752188062,18807139462
Quartz  (*)QuartzSiO21079107510188057,188058,188059,188060,188062,188064,188065,188066,188071,18807761156
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)2107910755188058,188062,188065,188066,188070375
Rutile  (*)RutileTiO2107910757188058,188059,188062,188065,188066,188070,1880775614
Senaite  (*)CrichtonitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)3810791075118806628
Sphalerite  (*)SphaleriteZnS107910755188057,188060,188062,188070,18807121482
Thomsenolite  (*)NoneNaCaAlF6·H2O107910755188058,188062,188063,188064,18806523
Thorite  (*)ZirconTh(SiO4)107910754188062,188066,188070,1880721006
Titanite  (*)TitaniteCaTi(SiO4)O1079107511880704899
Topaz  (*)TopazAl2SiO4F2107910752188062,1880701476
Uraninite  (*)FluoriteUO21079107511880562718
Weberite  (*)WeberiteNa2MgAlF7107910752188058,18806513
Wulfenite  (*)ScheelitePbMoO41079107511880621655
Xenotime-(Y)  (*)ZirconY(PO4)107910753188062,188066,188070939
Zircon  (*)ZirconZr(SiO4)107910756188058,188062,188064,188065,188066,1880705251



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
Bradley_2012_132107910751077±2Ar/Ar    Yes  3668Pikes Peak, El Paso Co., Colorado, USAPike's PeakMcCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...