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:
Custer Co., South Dakota, USA

Oldest recorded age at locality: 1715
Youngest recorded age at locality: 274

mindat Locality ID: 23305
mindat URL: http://www.mindat.org/loc-23305.html

Tectonic Settings:

Total number of sublocalities beneath "Custer Co., South Dakota, USA": 430
Total number of bottom-level sublocalities: 400

Number of Child Localities: 48
Child Localities:
Bear Gulch
Black Diamond Prospect
Buffalo Gap
Caledonia Mine
Custer
Custer District
Custer State Park
Custer-Spokane Road
D & R Mine
Dewey
Eureka Lode Prospect (Hultz)
Fairburn
Frac Sand Corporation; Layton Canyon Pit (Black Hills Silica Sand Company)
Freezeout Mine
French Creek
Hermosa
Hill City
Iron Creek
Iron Mountain
Jewel Cave National Monument
Keystone
Lien And Sons Quarry
Lightening Creek
Little Devils Tower
Loring Siding
Minnekahta Formation
Monatomic Claim
Needles
Oreville
Pennington County Line
Quarry (MRDS - 10153450)
Queen Mine
Ruberta Mining And Milling Company Mine
Sanator Area
Sevenmile School
Southern Black Hills
Spokane
State Game Lodge Area
Stinnett Ranch
Sylvan Lake
Teepee Canyon ("Hell's Canyon")
Tin Queen (White Blowout; Tin Queen No. 1)
Triangle Mine
Unidentified Occurrence (MRDS - 10055787)
Unidentified Occurrence (MRDS - 10055790)
Unorganized District
Virginia Mine
Wind Cave

Latitude: 43°42'45"N
Longitude: 103°30'25"W
Decimal Degree (lat, lon): 43.7125,-103.50694444444
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 B Ba Be Bi C Ca Cd Ce Cl Cs Cu F Fe H K Li Mg Mn Mo Na Nb O P Pb S Sb Si Sn Sr Ta Te Ti U V W Y Zn Zr 

Elements from minerals reported directly at this locality: Al Na O Si 

Structural Groups for minerals in this locality: 
AcanthiteAlluauditeAluniteAmorphousAmphiboleAnalcimeAndalusiteApatiteAragoniteArrojadite
ArsenicArseniosideriteArsenoliteArsenopyriteArthuriteAutuniteBaryteBerauniteBerylBismutite
BjarebyiteCalcioferriteCalciteCancriniteCancrinite-sodaliteCeriteChalcopyriteChildreniteChloriteChloritoid
ClayClinozoisiteColumbiteCopperCorundumCovelliteDanburiteDiasporeDufréniteEpidote
FairfielditeFeldsparFluoriteGadoliniteGarnetGraftoniteGypsumHopeiteHureauliteJahnsite
KaoliniteLöllingiteLaueiteLazuliteLeucophosphiteMalachiteMarcasiteMelanteriteMeloniteMeta-autunite
MicaNickelineNoneNot in a structural groupOlivineOveritePharmacosideritePhosphosideritePyritePyroxene
QuartzReddingiteRockbridgeiteRocksaltRoscheriteRutileScheeliteSchoepiteSmectite-vermiculiteSphalerite
SpinelStauroliteStewartiteStibniteStrunziteSymplesiteTetradymiteTetrahedriteTitaniteTourmaline
TridymiteTripliteVivianiteWagneriteWalentaiteWarditeWicksiteWollastoniteWurtziteZircon

217 IMA Minerals at location:
Acanthite  (*)Actinolite  (*)Albite  (*)Alluaudite  (*)Almandine  (*)
Amblygonite  (*)Andalusite  (*)Anglesite  (*)Anhydrite  (*)Aragonite  (*)
Arrojadite-(KFe)  (*)Arseniosiderite  (*)Arsenolite  (*)Arsenopyrite  (*)Aurichalcite  (*)
Autunite  (*)Azurite  (*)Barbosalite  (*)Baryte  (*)Beraunite  (*)
Bermanite  (*)Bertrandite  (*)Beryl  (*)Bismite  (*)Bismuth  (*)
Bismuthinite  (*)Bismutite  (*)Bornite  (*)Britholite-(Ce)  (*)Cacoxenite  (*)
Calcite  (*)Carnotite  (*)Cassiterite  (*)Cerussite  (*)Chalcocite  (*)
Chalcopyrite  (*)Childrenite  (*)Chloritoid  (*)Chrysoberyl  (*)Clinobisvanite  (*)
Clinochlore  (*)Collinsite  (*)Cookeite  (*)Cordierite  (*)Covellite  (*)
Crandallite  (*)Cummingtonite  (*)Cuprite  (*)Cyrilovite  (*)Dawsonite  (*)
Diadochite  (*)Diopside  (*)Dolomite  (*)Dufrénite  (*)Ehrleite  (*)
Elbaite  (*)Englishite  (*)Eosphorite  (*)Epidote  (*)Faheyite  (*)
Fairfieldite  (*)Ferrisicklerite  (*)Ferrobobfergusonite  (*)Ferrowyllieite  (*)Fluorapatite  (*)
Fluorite  (*)Forsterite  (*)Fourmarierite  (*)Fransoletite  (*)Frondelite  (*)
Galena  (*)Goethite  (*)Gold  (*)Gordonite  (*)Goyazite  (*)
Graftonite  (*)Graphite  (*)Greenockite  (*)Greifensteinite  (*)Grunerite  (*)
Gypsum  (*)Hematite  (*)Hemimorphite  (*)Heterosite  (*)Hopeite  (*)
Huntite  (*)Hureaulite  (*)Hurlbutite  (*)Hydromagnesite  (*)Hydroxylapatite  (*)
Hydroxylherderite  (*)Hydrozincite  (*)Ice  (*)Ilmenite  (*)Ixiolite  (*)
Jadeite  (*)Jahnsite-(CaMnMg)  (*)Jahnsite-(CaMnMn)  (*)Jahnsite-(NaFeMg)  (*)Jahnsite-(NaMnMg)  (*)
Kaolinite  (*)Kasolite  (*)Kidwellite  (*)Kingsmountite  (*)Kryzhanovskite  (*)
Kyanite  (*)Laueite  (*)Lazulite  (*)Leucophosphite  (*)Lithiophilite  (*)
Lithiophosphate  (*)Löllingite  (*)Ludlamite  (*)Magnesite  (*)Magnetite  (*)
Malachite  (*)Marcasite  (*)Melanterite  (*)Messelite  (*)Meta-autunite  (*)
Metaswitzerite  (*)Metavivianite  (*)Microcline  (*)Mirabilite  (*)Mitridatite  (*)
Montebrasite  (*)Montgomeryite  (*)Montmorillonite  (*)Muscovite  (*)Opal  (*)
Orthoclase  (*)Pahasapaite  (*)Parafransoletite  (*)Pararobertsite  (*)Parascholzite  (*)
Parasymplesite  (*)Pargasite  (*)Perloffite  (*)Pharmacosiderite  (*)Phlogopite  (*)
Phosphoferrite  (*)Phosphosiderite  (*)Pollucite  (*)Purpurite  (*)Pyrargyrite  (*)
Pyrite  (*)Pyrolusite  (*)Pyromorphite  (*)Pyrrhotite  (*)Quartz  (*)
Reddingite  (*)Robertsite  (*)Rockbridgeite  (*)Roscherite  (*)Rosemaryite  (*)
Rutile  (*)Sarcopside  (*)Scheelite  (*)Schneiderhöhnite  (*)Scholzite  (*)
Schorl  (*)Scorodite  (*)Scorzalite  (*)Segelerite  (*)Sicklerite  (*)
Siderite  (*)Sillimanite  (*)Silver  (*)Smithsonite  (*)Spessartine  (*)
Sphalerite  (*)Spodumene  (*)Staurolite  (*)Stewartite  (*)Strengite  (*)
Strunzite  (*)Svanbergite  (*)Switzerite  (*)Sylvanite  (*)Symplesite  (*)
Tantalite-(Fe)  (*)Tavorite  (*)Tellurite  (*)Tenorite  (*)Tetradymite  (*)
Tetrahedrite-(Zn)  (*)Tinsleyite  (*)Tiptopite  (*)Titanite  (*)Todorokite  (*)
Torbernite  (*)Tremolite  (*)Tridymite  (*)Triphylite  (*)Triplite  (*)
Triploidite  (*)Tyuyamunite  (*)Uraninite  (*)Uranophane-α  (*)Ushkovite  (*)
Vanadinite  (*)Vandendriesscheite  (*)Vivianite  (*)Walentaite  (*)Wardite  (*)
Whiteite-(CaMnMg)  (*)Whitlockite  (*)Whitmoreite  (*)Wicksite  (*)Wolfeite  (*)
Wollastonite  (*)Wulfenite  (*)Wyllieite  (*)Xanthoxenite  (*)Xenotime-(Y)  (*)
Zircon  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S12650542793
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2170017002265053,2650673419
Albite  (*)FeldsparNa(AlSi3O8)1710158082264725,264735,264742,264751,264752,264761,264763,264764,264765,264767,264768,264769,264770,264771,264772,264779,264780,264781,264782,264783,264785,264786,264787,264789,264790,264793,264796,264797,264798,264799,264800,264801,264802,264807,264811,264814,264818,264821,264825,264828,264829,264831,264832,264847,264848,264849,264850,264859,264860,264867,264869,264876,264882,264885,264886,264897,264903,264927,264935,264944,264946,264948,264959,264961,264973,264974,264982,264990,264996,265003,265004,265018,265019,265024,265030,265039,265066,265101,265117,265124,265133,2651348803
Alluaudite  (*)Alluaudite   NaMnFe3+2(PO4)31702170211264735,264770,264779,264781,264786,264790,264825,264829,264832,264935,26496194
Almandine  (*)GarnetFe2+3Al2(SiO4)31710158010264717,264771,264777,264787,264792,264795,264829,264831,264832,2649552353
Amblygonite  (*)NoneLiAl(PO4)F1710158023264735,264742,264761,264770,264780,264781,264785,264787,264793,264811,264818,264825,264828,264831,264832,264835,264847,264860,264869,264995,265018,265028,265101244
Andalusite  (*)AndalusiteAl2SiO5170217029264734,264761,264764,264772,264779,264796,265068,265069,2650771310
Anglesite  (*)BarytePb(SO4)12650542734
Anhydrite  (*)Not in a structural groupCa(SO4)2265038,2650631588
Aragonite  (*)AragoniteCa(CO3)170217023264961,265056,2651403250
Arrojadite-(KFe)  (*)Arrojadite(KNa)Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)217021702126479750
Arseniosiderite  (*)ArseniosideriteCa2Fe3+3O2(AsO4)3·3H2O170217021264832194
Arsenolite  (*)ArsenoliteAs2O3170217004264772,264799,264927,265066231
Arsenopyrite  (*)ArsenopyriteFeAsS1702170010264735,264768,264772,264787,264799,264832,264927,265066,265068,2651139052
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)6171015801264831919
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O171015808264735,264772,264780,264829,264831,264832,264927,2650661272
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2171015802264831,2650715509
Barbosalite  (*)LazuliteFe2+Fe3+2(PO4)2(OH)2170217022264768,26483243
Baryte  (*)BaryteBa(SO4)126504011547
Beraunite  (*)BerauniteFe3+6(PO4)4O(OH)4·6H2O170217022264832,264927136
Bermanite  (*)ArthuriteMn2+Mn3+2(PO4)2(OH)2·4H2O170217024264768,264783,264832,26492755
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)2170217021264825606
Beryl  (*)BerylBe3Al2Si6O181710158099264728,264731,264735,264736,264742,264746,264753,264756,264757,264761,264762,264764,264765,264767,264768,264769,264771,264772,264773,264778,264779,264780,264781,264782,264783,264784,264785,264786,264787,264788,264790,264797,264798,264799,264801,264807,264809,264811,264814,264818,264819,264825,264828,264829,264830,264831,264832,264833,264847,264849,264851,264856,264859,264860,264866,264867,264869,264871,264876,264877,264881,264882,264884,264887,264894,264911,264918,264927,264935,264936,264940,264945,264946,264948,264950,264957,264959,264960,264963,264973,264990,264996,265003,265004,265009,265018,265023,265028,265030,265039,265096,265100,265101,265117,265118,265124,265133,265134,2651354286
Bismite  (*)NoneBi2O3170217021264791214
Bismuth  (*)ArsenicBi171015803264735,264831,2648321966
Bismuthinite  (*)StibniteBi2S31710158012648311935
Bismutite  (*)BismutiteBi2O2(CO3)171015802264717,264824716
Bornite  (*)NoneCu5FeS4171015802264766,2648315516
Britholite-(Ce)  (*)Apatite(Ce,Ca)5(SiO4)3(OH)170217021264794115
Cacoxenite  (*)NoneFe3+24AlO6(PO4)17(OH)12·75H2O170217022264768,264791280
Calcite  (*)CalciteCa(CO3)1710158014264713,264716,264794,264831,264961,264991,265040,265056,265063,265067,265075,265079,265086,26514027770
Carnotite  (*)NoneK2(UO2)2(VO4)2·3H2O12650431184
Cassiterite  (*)RutileSnO21710158016264733,264735,264758,264761,264770,264772,264779,264785,264786,264825,264831,264832,265049,265102,265107,2651295171
Cerussite  (*)AragonitePb(CO3)12650544979
Chalcocite  (*)NoneCu2S1702170212647665707
Chalcopyrite  (*)ChalcopyriteCuFeS2171015803264831,265054,26506027198
Childrenite  (*)ChildreniteFe2+Al(PO4)(OH)2·H2O17021702126482593
Chloritoid  (*)ChloritoidFe2+Al2O(SiO4)(OH)21265068376
Chrysoberyl  (*)OlivineBeAl2O4170217027264778,264787,264790,264791,264797,264830,264946321
Clinobisvanite  (*)NoneBi(VO4)17021702126479036
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)812650681756
Collinsite  (*)FairfielditeCa2Mg(PO4)2·2H2O170217022264832,26492738
Cookeite  (*)Chlorite Clay(Al,Li)3Al2(Si,Al)4O10(OH)8171015801264831181
Cordierite  (*)BerylMg2Al4Si5O181702170212647231008
Covellite  (*)CovelliteCuS171015802264766,2648314165
Crandallite  (*)AluniteCaAl3(PO4)(PO3OH)(OH)6170217021264832310
Cummingtonite  (*)Amphibole   Mg2Mg5Si8O22(OH)21265127327
Cuprite  (*)Not in a structural groupCu2O2265060,2650712970
Cyrilovite  (*)WarditeNaFe3+3(PO4)2(OH)4·2H2O17021702126483260
Dawsonite  (*)NoneNaAl(CO3)(OH)217101580126483190
Diadochite  (*)AmorphousFe3+2(PO4)(SO4)(OH)·6H2O17021702126483281
Diopside  (*)PyroxeneCaMgSi2O6170217004264723,264991,265067,2650794135
Dolomite  (*)NoneCaMg(CO3)2170017002265036,2650679895
Dufrénite  (*)DufréniteCa0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O170217022264791,264832139
Ehrleite  (*)NoneCa2ZnBe(PO4)2(PO3OH)·4H2O1702170212648321
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)170217025264719,264761,264772,264793,264832520
Englishite  (*)NoneK3Na2Ca10Al15(OH)7(PO4)21·26H2O1702170212648326
Eosphorite  (*)ChildreniteMn2+Al(PO4)(OH)2·H2O170217021264832128
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)170217024264825,264991,265079,2650818173
Faheyite  (*)NoneBe2Mn2+Fe3+2(PO4)4·6H2O1702170212647913
Fairfieldite  (*)FairfielditeCa2Mn2+(PO4)2·2H2O170217022264768,26483272
Ferrisicklerite  (*)OlivineLi1-x(Fe3+,Mn2+)(PO4)171015803264829,264831,264832108
Ferrobobfergusonite  (*)None   Na2Fe2+5Fe3+Al(PO4)61702170212647971
Ferrowyllieite  (*)NoneNaNaFe2+(Fe2+Al)(PO4)31702170212647974
Fluorapatite  (*)ApatiteCa5(PO4)3F1710158021264735,264761,264768,264770,264771,264772,264779,264780,264781,264787,264790,264791,264794,264801,264825,264831,264832,264927,265066,265067,2650682740
Fluorite  (*)FluoriteCaF23265036,265038,2650639617
Forsterite  (*)OlivineMg2(SiO4)171527412647171188
Fourmarierite  (*)SchoepitePb1-xO3-2x(UO2)4(OH)4+2x·4H2O171015803264829,264831,26504361
Fransoletite  (*)NoneCa3Be2(PO4)2(PO3OH)2·4H2O1702170212648321
Frondelite  (*)Rockbridgeite(Mn2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)517021702126483252
Galena  (*)RocksaltPbS170217023264832,265054,26511324243
Goethite  (*)DiasporeFeO(OH)171015803264831,264832,2651407437
Gold  (*)CopperAu18264714,265045,265064,265072,265095,265103,265105,265109,265110,265111,265112,265113,265123,265125,265126,265127,265136,26513830554
Gordonite  (*)LaueiteMgAl2(PO4)2(OH)2·8H2O17021702126483218
Goyazite  (*)AluniteSrAl3(PO4)(PO3OH)(OH)6170217021264832173
Graftonite  (*)GraftoniteFe2+Fe2+2(PO4)2170217024264735,264768,264797,264799107
Graphite  (*)NoneC4265039,265068,265072,2651132812
Greenockite  (*)WurtziteCdS170217021264836717
Greifensteinite  (*)RoscheriteCa2Be4Fe2+5(PO4)6(OH)4·6H2O17021702126483227
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)2170217022264764,265113223
Gypsum  (*)GypsumCa(SO4)·2H2O170217026264768,265036,265038,265046,265056,2651406890
Hematite  (*)CorundumFe2O3170217027264764,264825,265018,265043,265075,265098,26514014640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O1710158012648311689
Heterosite  (*)OlivineFe3+(PO4)1702170018264768,264770,264771,264779,264780,264781,264786,264790,264797,264799,264825,264828,264829,264832,264927,264935,264961,265066204
Hopeite  (*)HopeiteZn3(PO4)2·4H2O17021702126483229
Huntite  (*)Not in a structural groupCaMg3(CO3)4126514069
Hureaulite  (*)HureauliteMn2+5(PO3OH)2(PO4)2·4H2O170217009264735,264768,264772,264779,264781,264790,264832,264927,265066125
Hurlbutite  (*)DanburiteCaBe2(PO4)217021702126483214
Hydromagnesite  (*)NoneMg5(CO3)4(OH)2·4H2O2265056,265140341
Hydroxylapatite  (*)ApatiteCa5(PO4)3OH170217022264832,264927367
Hydroxylherderite  (*)GadoliniteCaBe(PO4)(OH)170217021264832119
Hydrozincite  (*)NoneZn5(CO3)2(OH)61710158012648311066
Ice  (*)Amorphous TridymiteH2O126514059
Ilmenite  (*)CorundumFe2+Ti4+O32265052,2650685433
Ixiolite  (*)Columbite(Ta2/3Mn2+1/3)O2170217021264825148
Jadeite  (*)PyroxeneNaAlSi2O617152740154
Jahnsite-(CaMnMg)  (*)JahnsiteCaMn2+Mg2Fe3+2(PO4)4(OH)2·8H2O17021702126483214
Jahnsite-(CaMnMn)  (*)JahnsiteCaMn2+Mn2+2Fe3+2(PO4)4(OH)2·8H2O17021702126476818
Jahnsite-(NaFeMg)  (*)JahnsiteNaFe3+Mg2Fe3+2(PO4)4(OH)2·8H2O1702170212648323
Jahnsite-(NaMnMg)  (*)Jahnsite(Na,Ca)(Mn2+,Fe3+)(Mg,Fe3+)2Fe3+2(PO4)4(OH)2(H2O)81702170212648323
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4171015803264779,264831,2650975591
Kasolite  (*)NonePb(UO2)(SiO4)·H2O171015801264831198
Kidwellite  (*)NoneNaFe3+9+x(PO4)6(OH)11·3H2O (x ≈ 0.33)17021702126483253
Kingsmountite  (*)CalcioferriteCa3MnFe2+Al4(PO4)6(OH)4·12H2O17021702126483212
Kryzhanovskite  (*)Reddingite(Fe3+,Mn2+)3(PO4)2(OH,H2O)3170217022264768,26483234
Kyanite  (*)Not in a structural groupAl2OSiO4170217023264723,264990,2650841507
Laueite  (*)LaueiteMn2+Fe3+2(PO4)2(OH)2·8H2O170217024264768,264780,264832,26492770
Lazulite  (*)LazuliteMgAl2(PO4)2(OH)2170217021264772232
Leucophosphite  (*)LeucophosphiteKFe3+2(PO4)2(OH)·2H2O170217004264768,264832,264927,265066110
Lithiophilite  (*)OlivineLiMn2+(PO4)170217029264772,264784,264786,264814,264818,264847,265008,265101,265134155
Lithiophosphate  (*)NoneLi3(PO4)1702170212648327
Löllingite  (*)LöllingiteFeAs21710158013264735,264770,264772,264779,264780,264781,264786,264787,264797,264814,264831,264927,265024762
Ludlamite  (*)NoneFe2+3(PO4)2·4H2O170217022264768,26483266
Magnesite  (*)CalciteMg(CO3)12651401487
Magnetite  (*)SpinelFe2+Fe3+2O4171015808264723,264764,264789,264831,265052,265068,265081,26511314899
Malachite  (*)MalachiteCu2(CO3)(OH)2171015804264831,265060,265071,26507512537
Marcasite  (*)MarcasiteFeS21702170212648325674
Melanterite  (*)MelanteriteFe(SO4)·7H2O170217002264935,265066915
Messelite  (*)FairfielditeCa2Fe2+(PO4)2·2H2O170217022264832,26492743
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O171015803264791,264831,264832388
Metaswitzerite  (*)NoneMn2+3(PO4)2·4H2O17021702126483222
Metavivianite  (*)SymplesiteFe2+Fe3+2(PO4)2(OH)2·6H2O17021702126476826
Microcline  (*)FeldsparK(AlSi3O8)1710158062264719,264725,264735,264761,264764,264768,264769,264770,264771,264772,264773,264779,264780,264781,264782,264783,264785,264786,264787,264789,264790,264793,264796,264797,264799,264800,264801,264807,264809,264811,264814,264819,264825,264828,264829,264831,264832,264847,264848,264849,264860,264862,264879,264892,264897,264918,264927,264935,264941,264946,264957,264961,264996,265003,265004,265009,265030,265040,265066,265073,265118,2651334924
Mirabilite  (*)NoneNa2(SO4)·10H2O1265140223
Mitridatite  (*)ArseniosideriteCa2Fe3+3O2(PO4)3·3H2O170217025264768,264780,264797,264832,264927129
Montebrasite  (*)NoneLiAl(PO4)(OH)171015805264735,264772,264780,264831,264832200
Montgomeryite  (*)CalcioferriteCa4MgAl4(PO4)6(OH)4·12H2O170217022264832,26492744
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O1710158012648311508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)217101580100264720,264726,264728,264735,264742,264744,264751,264752,264757,264761,264763,264764,264765,264767,264768,264769,264770,264771,264772,264773,264779,264780,264781,264782,264783,264785,264786,264787,264788,264789,264790,264792,264793,264797,264798,264799,264801,264802,264807,264809,264811,264814,264818,264825,264828,264829,264830,264831,264832,264835,264847,264848,264849,264856,264860,264867,264869,264872,264876,264877,264879,264885,264887,264897,264903,264911,264927,264935,264944,264946,264948,264949,264959,264961,264963,264973,264974,264990,264996,265003,265004,265018,265019,265024,265028,265030,265039,265049,265066,265068,265073,265100,265101,265117,265118,265119,265120,265124,265134,26513517380
Opal  (*)AmorphousSiO2·nH2O170217002264825,2650662994
Orthoclase  (*)FeldsparK(AlSi3O8)12650832349
Pahasapaite  (*)NoneLi8(Ca,Li,K)10Be24(PO4)24·38H2O1702170212648321
Parafransoletite  (*)NoneCa3Be2(PO4)2(PO3OH)2·4H2O1702170212648321
Pararobertsite  (*)NoneCa2Mn3+3(PO4)3O2·3H2O1702170212648321
Parascholzite  (*)NoneCaZn2(PO4)2·2H2O17021702126483212
Parasymplesite  (*)VivianiteFe2+3(AsO4)2·8H2O170217021264927124
Pargasite  (*)AmphiboleNaCa2(Mg4Al)(Si6Al2)O22(OH)21265082313
Perloffite  (*)BjarebyiteBaMn2+2Fe3+2(PO4)3(OH)31702170212648327
Pharmacosiderite  (*)PharmacosideriteKFe3+4(AsO4)3(OH)4·6-7H2O170217022264832,264927428
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21700170012650672273
Phosphoferrite  (*)ReddingiteFe2+3(PO4)2·3H2O170217022264768,26483231
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O170217024264735,264768,264791,264927182
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O171015801264831140
Purpurite  (*)OlivineMn3+(PO4)170217023264772,264814,26482580
Pyrargyrite  (*)NoneAg3SbS312650541425
Pyrite  (*)PyriteFeS21702170016264714,264735,264768,264772,264832,264935,264990,265039,265043,265052,265054,265066,265102,265106,265111,26511939462
Pyrolusite  (*)RutileMnO2171015804264831,265098,265099,2651163106
Pyromorphite  (*)ApatitePb5(PO4)3Cl12650541725
Pyrrhotite  (*)NickelineFe7S8170217028264735,264761,264768,264794,264860,264990,265080,2651139056
Quartz  (*)QuartzSiO21715274254264711,264714,264718,264719,264720,264721,264725,264726,264727,264728,264729,264730,264731,264735,264736,264739,264742,264746,264751,264752,264756,264757,264758,264761,264763,264764,264765,264766,264767,264768,264769,264770,264771,264773,264778,264779,264780,264781,264782,264785,264786,264787,264788,264789,264790,264791,264793,264794,264796,264797,264798,264799,264800,264801,264802,264803,264805,264807,264808,264809,264811,264812,264813,264814,264815,264818,264819,264822,264823,264825,264828,264829,264830,264831,264832,264833,264838,264839,264840,264841,264842,264843,264845,264847,264848,264849,264850,264851,264852,264853,264854,264855,264856,264857,264858,264859,264860,264862,264863,264864,264865,264866,264867,264869,264870,264871,264872,264874,264875,264876,264877,264879,264880,264881,264882,264884,264885,264886,264887,264889,264890,264891,264892,264893,264895,264896,264897,264898,264899,264900,264901,264902,264903,264904,264907,264908,264909,264911,264912,264913,264914,264915,264916,264918,264927,264928,264932,264935,264936,264939,264940,264941,264942,264945,264946,264948,264949,264950,264953,264954,264956,264957,264959,264961,264963,264967,264968,264969,264972,264974,264976,264977,264978,264979,264981,264982,264983,264984,264985,264989,264990,264991,264993,264994,264996,264998,265000,265001,265002,265003,265004,265005,265008,265009,265010,265011,265012,265018,265019,265020,265022,265023,265024,265025,265028,265030,265031,265039,265040,265041,265049,265054,265056,265064,265066,265068,265072,265073,265080,265086,265087,265088,265095,265100,265101,265103,265105,265106,265109,265110,265111,265112,265113,265117,265118,265119,265120,265121,265123,265124,265125,265126,265127,265128,265130,265131,265132,265133,265134,265135,265136,265137,265138,26514061156
Reddingite  (*)ReddingiteMn2+3(PO4)2·3H2O17021702126476824
Robertsite  (*)ArseniosideriteCa2Mn3+3O2(PO4)3·3H2O170217023264783,264832,26492736
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5170217024264768,264829,264832,264927206
Roscherite  (*)RoscheriteCa2Mn2+5Be4(PO4)6(OH)4·6H2O17021702126483222
Rosemaryite  (*)None   NaMn2+(Fe3+Al)(PO4)31702170212647907
Rutile  (*)RutileTiO2170217022264723,2649665614
Sarcopside  (*)NoneFe2+3(PO4)2170217022264768,26479758
Scheelite  (*)ScheeliteCa(WO4)170217004264794,265067,265104,2651064894
Schneiderhöhnite  (*)NoneFe2+Fe3+3As3+5O1317021702126492715
Scholzite  (*)NoneCaZn2(PO4)2·2H2O17021702126483220
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)1710158027264717,264735,264752,264761,264769,264771,264773,264779,264781,264782,264785,264787,264790,264792,264797,264799,264814,264825,264828,264831,264832,264835,264927,264935,264941,264961,2650732705
Scorodite  (*)NoneFe3+(AsO4)·2H2O170217006264768,264772,264787,264832,264927,2650661153
Scorzalite  (*)LazuliteFe2+Al2(PO4)2(OH)217021702126479760
Segelerite  (*)OveriteCaMgFe3+(PO4)2(OH)·4H2O1702170212648322
Sicklerite  (*)OlivineLiMn2+(PO4)1702170213264735,264768,264770,264771,264772,264779,264780,264786,264799,264825,264829,264832,26492766
Siderite  (*)CalciteFe(CO3)171015806264771,264829,264831,264832,264961,2650566417
Sillimanite  (*)Not in a structural groupAl2SiO51702170220264764,264769,264772,264779,264781,264796,264797,264825,264848,264884,264941,264982,264985,264986,264990,265033,265039,265068,265077,2651341516
Silver  (*)CopperAg14265054,265095,265103,265105,265109,265110,265111,265112,265113,265125,265126,265127,265136,2651385186
Smithsonite  (*)CalciteZn(CO3)1710158012648312473
Spessartine  (*)GarnetMn2+3Al2(SiO4)3170217008264735,264767,264769,264787,264792,264832,264926,2650661214
Sphalerite  (*)SphaleriteZnS171015806264768,264828,264831,264832,265054,26511321482
Spodumene  (*)PyroxeneLiAlSi2O61710158025264744,264761,264762,264763,264764,264772,264773,264780,264781,264785,264787,264790,264793,264805,264825,264831,264847,264856,264887,264894,264959,264960,265006,265028,265135688
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)170217028264723,264761,264764,264990,265039,265049,265068,265134978
Stewartite  (*)StewartiteMn2+Fe3+2(PO4)2(OH)2·8H2O170217023264768,264832,26492748
Strengite  (*)NoneFe3+(PO4)·2H2O170217023264768,264791,264832263
Strunzite  (*)StrunziteMn2+Fe3+2(PO4)2(OH)2·6H2O170217023264791,264832,26492798
Svanbergite  (*)AluniteSrAl3(SO4)(PO4)(OH)6170217021264779105
Switzerite  (*)NoneMn2+3(PO4)2·7H2O17021702126483221
Sylvanite  (*)MeloniteAgAuTe4170217021264791337
Symplesite  (*)SymplesiteFe2+3(AsO4)2·8H2O170217023264772,264787,26492792
Tantalite-(Fe)  (*)ColumbiteFe2+Ta2O617021702126478699
Tavorite  (*)NoneLiFe3+(PO4)(OH)170217006264768,264772,264781,264832,264927,26506635
Tellurite  (*)NoneTeO217021702126476052
Tenorite  (*)NoneCuO2265060,2650711101
Tetradymite  (*)TetradymiteBi2Te2S170217021264791510
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S131702170212647665317
Tinsleyite  (*)LeucophosphiteKAl2(PO4)2(OH)·2H2O170217022264832,2649279
Tiptopite  (*)Cancrinite Cancrinite-sodaliteK2(Li,Na,Ca)6(Be6P6)O24(OH)2·1.3H2O1702170212648321
Titanite  (*)TitaniteCaTi(SiO4)O170217006264723,264984,264991,265052,265067,2650804899
Todorokite  (*)None(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O170217022264832,264927433
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O1702170212647351059
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2170217002264759,2650672562
Tridymite  (*)TridymiteSiO2170217021264927458
Triphylite  (*)OlivineLiFe2+(PO4)1710158026264735,264768,264770,264771,264779,264780,264781,264783,264784,264786,264790,264797,264799,264814,264825,264828,264829,264831,264832,264898,264899,264927,264961,264996,265018,265030313
Triplite  (*)TripliteMn2+2(PO4)F170217022264780,264816233
Triploidite  (*)WagneriteMn2+2(PO4)(OH)17021702126483229
Tyuyamunite  (*)NoneCa(UO2)2(VO4)2·5-8H2O1265043628
Uraninite  (*)FluoriteUO2171015809264735,264772,264780,264829,264831,264832,265011,265043,2650662718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O171015805264735,264780,264829,264831,265060890
Ushkovite  (*)LaueiteMgFe3+2(PO4)2(OH)2·8H2O17021702126483218
Vanadinite  (*)ApatitePb5(VO4)3Cl170217022264829,265054605
Vandendriesscheite  (*)NonePb1.6(UO2)10O6(OH)11·11H2O171015802264829,26483152
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O170217025264735,264768,264786,264825,264832636
Walentaite  (*)Walentaite[Mn(H2O)6][   As3+3Fe3+3(PO4)2O7]1702170212649276
Wardite  (*)WarditeNaAl3(PO4)2(OH)4·2H2O17021702126483258
Whiteite-(CaMnMg)  (*)JahnsiteCaMn2+Mg2Al2(PO4)4(OH)2·8H2O1702170212648327
Whitlockite  (*)CeriteCa9Mg(PO3OH)(PO4)6170217024264768,264832,264927104
Whitmoreite  (*)ArthuriteFe2+Fe3+2(PO4)2(OH)2·4H2O17021702126483236
Wicksite  (*)WicksiteNaCa2Fe2+2(Fe3+,Mn2+,Fe2+)4(PO4)6·2H2O1702170212647683
Wolfeite  (*)WagneriteFe2+2(PO4)(OH)17021702126476843
Wollastonite  (*)WollastoniteCaSiO31700170012650671247
Wulfenite  (*)ScheelitePbMoO412650541655
Wyllieite  (*)NoneNaNaMn(Fe2+Al)(PO4)3170217022264786,26483217
Xanthoxenite  (*)NoneCa4Fe3+2(PO4)4(OH)2·3H2O170217023264768,264832,26492729
Xenotime-(Y)  (*)ZirconY(PO4)171015802264831,264882939
Zircon  (*)ZirconZr(SiO4)171015808264735,264829,264831,264832,264984,265004,265066,2650835251
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)170217023264723,265052,2650791025


15 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
Be-00046170217021702  high    FaheyiteBe45259Roosevelt Group (Rough Rider), Custer, Custer District, Custer Co., South Dakota, USA Dahl and Foland (2008)10.2138/am.2008.2633AM93_1215 
Scott-GCA51_1101-0001171015801710-1580Rb-Srage of intrusionk-feldspar11-4A    4121Tin Mountain Mine, Fourmile, Custer District, Custer Co., South Dakota, USATin MountainClark and Černý (1987)10.1016/0016-7037(87)90112-8GCA51_1101Table 1
Be-00023170217021702  high    Ehrleite, Fransoletite, Greifensteinite, Pahasapaite, Parafransoletite, Roscherite, TiptopiteBe4122Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA Dahl and Foland (2008)10.2138/am.2008.2633AM93_1215 
Grew_Li_2019_0108170217021702      Tavorite 4122Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USATip Top mine, Fourmile quadrangle, Custer County, South Dakota USADahl and Foland (2008)10.2138/am.2008.2633AM93_1215 
Grew_Li_2019_0109170217021702      Tiptopite 4122Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USATip Top mine, Fourmile quadrangle, Custer County, South Dakota USADahl and Foland (2008)10.2138/am.2008.2633AM93_1215 
USGS-U-Th-Pb-01881_206_238767767767206_238age of intrusionzircon   Zircon  121292I X L Lode, Custer District, Custer Co., South Dakota, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01881_207_206168516851685207_206age of intrusionzircon   Zircon  121292I X L Lode, Custer District, Custer Co., South Dakota, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01881_207_235104610461046207_235age of intrusionzircon   Zircon  121292I X L Lode, Custer District, Custer Co., South Dakota, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01882_206_238274274274206_238age of intrusionzircon   Zircon  121292I X L Lode, Custer District, Custer Co., South Dakota, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01882_207_206153715371537207_206age of intrusionzircon   Zircon  121292I X L Lode, Custer District, Custer Co., South Dakota, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01882_207_235459459459207_235age of intrusionzircon   Zircon  121292I X L Lode, Custer District, Custer Co., South Dakota, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01883_206_238170917091709206_238age of intrusionmonazite     121292I X L Lode, Custer District, Custer Co., South Dakota, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01883_207_206171517151715207_206age of intrusionmonazite     121292I X L Lode, Custer District, Custer Co., South Dakota, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01883_207_235171217121712207_235age of intrusionmonazite     121292I X L Lode, Custer District, Custer Co., South Dakota, USA USGS-U-Th-Pb USGS-U-Th-Pb 
Alexandra-0372170017001700 Age of pegmatite   Yes Li, Be, Sn, Cs, Ta, Nb, U122418Black Elk Peak (Harney Peak), Pennington Co., South Dakota, USAHarney PeakNorton and Redden (1990)10.2138/am.2008.2633AM75_631 

SampleSource LocalityReference URL
R070358Bull Moose Mine (Bull Moose Pegmatite; Bull Moose Lodes), Custer, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070358
R070153Bull Moose Mine (Bull Moose Pegmatite; Bull Moose Lodes), Custer, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070153
R050459Bull Moose Mine (Bull Moose Pegmatite; Bull Moose Lodes), Custer, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R050459
R070553Bull Moose Mine (Bull Moose Pegmatite; Bull Moose Lodes), Custer, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070553
R070523Bull Moose Mine (Bull Moose Pegmatite; Bull Moose Lodes), Custer, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070523
R140711Dyke Lode, Custer, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R140711
R141067Pleasant Valley Pegmatite, Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R141067
R130057Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R130057
R070653Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070653
R070654Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070654
R100214Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R100214
R100215Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R100215
R110026Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R110026
R070630Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070630
R070613Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070613
R070452Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070452
R060213Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R060213
R080072Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R080072
R080126Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R080126
R070631Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070631
R130056Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R130056
R120119Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R120119
R060806Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R060806
R120040Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R120040
R130045Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R130045
R060858Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R060858
R130054Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R130054
R080068Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R080068
R080127Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R080127
R070706Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070706
R070609Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R070609
R130055Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R130055
R140770Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R140770
R050165White Elephant Mine, Cicero Peak, Pringle, Custer District, Custer Co., South Dakota, USAhttps://rruff.info/R050165

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