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:
Magnet Cove, Hot Spring Co., Arkansas, USA

Oldest recorded age at locality: 115
Youngest recorded age at locality: 81

mindat Locality ID: 3407
mindat URL: http://www.mindat.org/loc-3407.html

Tectonic Settings:

Total number of sublocalities beneath "Magnet Cove, Hot Spring Co., Arkansas, USA": 23
Total number of bottom-level sublocalities: 21

Number of Child Localities: 20
Child Localities:
Carbonatite Quarry
Chamberlain Creek Valley
Christry Property (Christry Brookite Deposit; Magnet Cove Rutile Mine; Mo-Ti; Wynn O; Christry Titania)
Cove Creek Bridge And The Branch
Diamond Jo Quarry
Eudialyte Pegmatite
Heath Farm (York Rutile Deposit)
Jones Mill Quarry (Martin Marietta Quarry; Highway 51 Quarry; Mid-State Quarry)
Kilpatrick And Adams Mine (Hardy-Walsh Brookite Deposit)
Kimzey Calcite Quarry (Calcite Hill)
Kimzey Magnetite Mine
Magnet Cove Baptist Church Area
Magnet Cove Rutile Company Deposits (Titanium Corporation Of America Mine; Beaver Lake Estates)
Magnet Cove School Area
Mo-Ti Corporation Prospect (The Pyrite Deposits; Cotton Golden Farm)
Perovskite Hill
Richardson Rutile Prospect
Runyon Quartz Location (Coontail Quartz)
Rutherford Deposit (Moses Hill; Cemetery Deposit; Miller Deposit)
Union Carbide Christy Vanadium Mine

Latitude: 34°27'12"N
Longitude: 92°51'15"W
Decimal Degree (lat, lon): 34.453333333333,-92.854166666667
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 B Ba C Ca Ce Cl Cu F Fe H K La Li Mg Mn Mo Na Nb O P Pb S Sc Si Sr Th Ti V W Y Zn Zr 

Elements from minerals reported directly at this locality: Al Ba Ca Ce F Fe H K Mg Mn Na Nb O P S Si Sr Th Ti V W Y Zn Zr 

Structural Groups for minerals in this locality: 
AllaniteAllophaneAluniteAmorphousAmphiboleAnalcimeAncyliteApatiteApophylliteAragonite
ArsenopyriteAstrophylliteBaddeleyiteBaryteBastnäsiteBenitoiteBrookiteBruciteBurbankiteCalcite
CancriniteCancrinite-sodaliteCatapleiiteChabaziteChalcopyriteChloriteClayClinozoisiteColumbiteCorundum
DiasporeElpiditeEpidoteEttringiteEudialyteFeldsparFluoriteGaidonnayiteGarnetGypsum
JoaquiniteKaoliniteLabuntsoviteMalachiteMarcasiteMelanteriteMicaMolybdeniteMonaziteMordenite
NatroliteNickelineNoneNot in a structural groupOlivinePalygorskitePectolitePerovskitePhosphosideritePyrite
PyroxeneQuartzRamsdelliteRhabdophaneRocksaltRutileSmectite-vermiculiteSodaliteSphaleriteSpinel
TalcThomsoniteTitaniteTobermoriteTridymiteVesuvianiteWavelliteWollastoniteWöhleriteZircon

142 IMA Minerals at location:
Actinolite  (*)Aegirine  (*)Albite  (*)Allanite-(Ce)  (*)Allanite-(La)  (*)
Allophane  (*)Analcime  (*)Anatase  (*)Ancylite-(Ce)  (*)Andradite  (*)
Anhydrite  (*)Ankerite  (*)Anorthite  (*)Aragonite  (*)Arfvedsonite  (*)
Arsenopyrite  (*)Astrophyllite  (*)Augite  (*)Baddeleyite  (*)Baryte  (*)
Barytocalcite  (*)Barytolamprophyllite  (*)Bastnäsite-(Ce)  (*)Bastnäsite-(La)  (*)Beidellite  (*)
Benitoite  (*)Benstonite  (*)Britholite-(Ce)  (*)Brookite  (*)Brucite  (*)
Burbankite  (*)Cacoxenite  (*)Calcite  (*)Cancrinite  (*)Catapleiite  (*)
Celestine  (*)Chabazite-Ca  (*)Chalcopyrite  (*)Chamosite  (*)Churchite-(Y)  (*)
Crandallite  (*)Delindeite  (*)Dickite  (*)Diopside  (*)Dolomite  (*)
Elpidite  (*)Epidote  (*)Eudialyte  (*)Felsőbányaite  (*)Ferberite  (*)
Ferrimolybdite  (*)Ferro-hornblende  (*)Fluorapatite  (*)Fluorapophyllite-(K)  (*)Fluorite  (*)
Gaidonnayite  (*)Galena  (*)Goethite  (*)Gonnardite  (*)Grossular  (*)
Gypsum  (*)Hedenbergite  (*)Hematite  (*)Hercynite  (*)Ilmenite  (*)
Jarosite  (*)Joaquinite-(Ce)  (*)Johannsenite  (*)Kaolinite  (*)Kassite  (*)
Kimzeyite  (*)Kolbeckite  (*)Kupletskite  (*)Labuntsovite-Fe  (*)Labuntsovite-Mn  (*)
Låvenite  (*)Lenoblite  (*)Leucite  (*)Leucosphenite  (*)Loparite-(Ce)  (*)
Lorenzenite  (*)Lourenswalsite  (*)Magnesio-arfvedsonite  (*)Magnetite  (*)Malachite  (*)
Marcasite  (*)Melanterite  (*)Microcline  (*)Molybdenite  (*)Monazite-(Ce)  (*)
Monticellite  (*)Montmorillonite  (*)Mordenite  (*)Muscovite  (*)Narsarsukite  (*)
Natrolite  (*)Nenadkevichite  (*)Nepheline  (*)Nontronite  (*)Nosean  (*)
Opal  (*)Orthoclase  (*)Paramontroseite  (*)Paraumbite  (*)Pectolite  (*)
Perovskite  (*)Petedunnite  (*)Phlogopite  (*)Polylithionite  (*)Pyrite  (*)
Pyrophanite  (*)Pyrrhotite  (*)Quartz  (*)Rhabdophane-(Ce)  (*)Rhodochrosite  (*)
Riebeckite  (*)Rutile  (*)Sanidine  (*)Schorlomite  (*)Seidite-(Ce)  (*)
Siderite  (*)Siderophyllite  (*)Sodalite  (*)Sphalerite  (*)Spinel  (*)
Strontianite  (*)Synchysite-(Ce)  (*)Tainiolite  (*)Talc  (*)Tetraferriannite  (*)
Thaumasite  (*)Thomsonite-Ca  (*)Titanite  (*)Tobermorite  (*)Tremolite  (*)
Vermiculite  (*)Vesuvianite  (*)Wavellite  (*)Wollastonite  (*)Yofortierite  (*)
Zircon  (*)Zircophyllite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)21158111497503419
Aegirine  (*)PyroxeneNaFe3+Si2O6115815149746,149747,149748,149750,1497521022
Albite  (*)FeldsparNa(AlSi3O8)115817149746,149747,149750,149753,149754,149755,1497578803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)115811149750706
Allanite-(La)  (*)Allanite EpidoteCaLa(Al2Fe2+)[Si2O7][SiO4]O(OH)11581114975025
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O115810470
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O1158101627
Anatase  (*)Not in a structural groupTiO2115817149746,149747,149750,149752,149755,149758,1497622162
Ancylite-(Ce)  (*)AncyliteCeSr(CO3)2(OH)·H2O11581114975092
Andradite  (*)GarnetCa3Fe3+2(SiO4)3115818149746,149747,149749,149750,149752,149753,149754,1497581534
Anhydrite  (*)Not in a structural groupCa(SO4)1158111497551588
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)2115812149750,1497553092
Anorthite  (*)FeldsparCa(Al2Si2O8)1158101036
Aragonite  (*)AragoniteCa(CO3)115812149750,1497523250
Arfvedsonite  (*)AmphiboleNaNa2(Fe2+4Fe3+)Si8O22(OH)2115812149747,149750295
Arsenopyrite  (*)ArsenopyriteFeAsS115812149742,1497449052
Astrophyllite  (*)AstrophylliteK2NaFe2+7Ti2(Si4O12)2O2(OH)4F115813149746,149748,149750161
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O6115812149747,1497502060
Baddeleyite  (*)BaddeleyiteZrO2115811149758238
Baryte  (*)BaryteBa(SO4)115816149742,149743,149744,149747,149750,14975211547
Barytocalcite  (*)NoneBaCa(CO3)2115812149747,14975083
Barytolamprophyllite  (*)None(BaK)Ti2Na3Ti(Si2O7)2O2(OH)211581021
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F115811149752304
Bastnäsite-(La)  (*)BastnäsiteLa(CO3)F11581114975030
Beidellite  (*)Clay Smectite-vermiculite(Na,Ca)0.3Al2(Si,Al)4O10(OH)2·nH2O11581085
Benitoite  (*)BenitoiteBaTiSi3O9115812149747,14975020
Benstonite  (*)NoneBa6Ca6Mg(CO3)13115813149742,149743,14974417
Britholite-(Ce)  (*)Apatite(Ce,Ca)5(SiO4)3(OH)115810115
Brookite  (*)BrookiteTiO21158114149745,149746,149747,149750,149751,149753,149755,149756,149757,149758,149759,149760,149761,149762700
Brucite  (*)BruciteMg(OH)2115811149748462
Burbankite  (*)Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)511581114975052
Cacoxenite  (*)NoneFe3+24AlO6(PO4)17(OH)12·75H2O115813149750,149755,149762280
Calcite  (*)CalciteCa(CO3)115819149742,149743,149744,149746,149747,149748,149750,149752,14975727770
Cancrinite  (*)Cancrinite(Na,Ca,   )8(Al6Si6)O24(CO3,SO4)2·2H2O115812149747,149748232
Catapleiite  (*)CatapleiiteNa2Zr(Si3O9)·2H2O115813149746,149747,149750113
Celestine  (*)BaryteSr(SO4)115812149744,1497501252
Chabazite-Ca  (*)ChabaziteCa2[Al4Si8O24]·13H2O115811149750310
Chalcopyrite  (*)ChalcopyriteCuFeS2115812149750,14975427198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8115811149750577
Churchite-(Y)  (*)GypsumY(PO4)·2H2O11581070
Crandallite  (*)AluniteCaAl3(PO4)(PO3OH)(OH)6115811149747310
Delindeite  (*)NoneBa2Ti2(Na2   )Ti(Si2O7)2(OH)2(H2O)2O21158111497474
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)4115811149751651
Diopside  (*)PyroxeneCaMgSi2O6115813149747,149750,1497534135
Dolomite  (*)NoneCaMg(CO3)2115812149750,1497559895
Elpidite  (*)ElpiditeNa2ZrSi6O15·3H2O115812149747,14975050
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)115812149746,1497508173
Eudialyte  (*)EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2115814149746,149747,149748,149750182
Felsőbányaite  (*)NoneAl4(SO4)(OH)10·4H2O11581066
Ferberite  (*)ColumbiteFe2+(WO4)115810551
Ferrimolybdite  (*)NoneFe3+2(Mo6+O4)3·7H2O110921149757345
Ferro-hornblende  (*)Amphibole   Ca2(Fe2+4Al)(Si7Al)O22(OH)2115811149747271
Fluorapatite  (*)ApatiteCa5(PO4)3F115817149746,149747,149750,149752,149753,149754,1497622740
Fluorapophyllite-(K)  (*)ApophylliteKCa4Si8O20F·8H2O115811149750303
Fluorite  (*)FluoriteCaF2115813149747,149750,1497529617
Gaidonnayite  (*)GaidonnayiteNa2ZrSi3O9·2H2O11581114975021
Galena  (*)RocksaltPbS115813149746,149750,14976224243
Goethite  (*)DiasporeFeO(OH)1158110149744,149746,149747,149750,149751,149755,149756,149758,149761,1497627437
Gonnardite  (*)Natrolite(Na,Ca)2(Si,Al)5O10·3H2O115811149747167
Grossular  (*)GarnetCa3Al2(SiO4)3115812149746,1497501544
Gypsum  (*)GypsumCa(SO4)·2H2O115814149742,149747,149750,1497526890
Hedenbergite  (*)PyroxeneCaFe2+Si2O6115810741
Hematite  (*)CorundumFe2O3115815149747,149750,149751,149755,14976214640
Hercynite  (*)SpinelFe2+Al2O4115812149750,149752407
Ilmenite  (*)CorundumFe2+Ti4+O3115814149747,149748,149750,1497555433
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)61158111497502228
Joaquinite-(Ce)  (*)JoaquiniteNaBa2Fe2+Ti2Ce2(Si4O12)2O2(OH)·H2O11581114974711
Johannsenite  (*)PyroxeneCaMnSi2O611581073
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4115814149745,149750,149751,1497625591
Kassite  (*)NoneCaTi2O4(OH)211581114974710
Kimzeyite  (*)GarnetCa3Zr2(SiAl2)O12115814149746,149750,149752,14975817
Kolbeckite  (*)PhosphosideriteSc(PO4)·2H2O115812149750,14976226
Kupletskite  (*)AstrophylliteK2NaMn2+7Ti2(Si4O12)2O2(OH)4F115812149747,14975033
Labuntsovite-Fe  (*)LabuntsoviteNa4K4Fe2+2Ti8O4(Si4O12)4(OH)4·10-12H2O1158111497506
Labuntsovite-Mn  (*)LabuntsoviteNa4K4Mn2+2Ti8O4(Si4O12)4(OH)4·10-12H2O11581114974718
Låvenite  (*)Wöhlerite(Na,Ca)4(Mn2+,Fe2+)2(Zr,Ti,Nb)2(Si2O7)2(O,F)411581058
Lenoblite  (*)NoneV4+2O4·2H2O1158105
Leucite  (*)AnalcimeK(AlSi2O6)115812149747,149750233
Leucosphenite  (*)NoneNa4BaTi2B2Si10O3011581114975019
Loparite-(Ce)  (*)Perovskite(Na,Ce,Sr)(Ce,Th)(Ti,Nb)2O611581057
Lorenzenite  (*)NoneNa2Ti2O3(Si2O6)115812149747,14975082
Lourenswalsite  (*)None(K,Ba)2Ti4(Si,Al)6O14(OH)121158111497471
Magnesio-arfvedsonite  (*)AmphiboleNaNa2(Mg4Fe3+)Si8O22(OH)2115812149747,14975079
Magnetite  (*)SpinelFe2+Fe3+2O41158110149746,149747,149748,149749,149750,149752,149753,149756,149758,14976114899
Malachite  (*)MalachiteCu2(CO3)(OH)211581114975012537
Marcasite  (*)MarcasiteFeS21158111497505674
Melanterite  (*)MelanteriteFe(SO4)·7H2O115810915
Microcline  (*)FeldsparK(AlSi3O8)115814149746,149748,149750,1497574924
Molybdenite  (*)MolybdeniteMoS2110928149740,149742,149744,149745,149746,149747,149750,1497575800
Monazite-(Ce)  (*)MonaziteCe(PO4)115811149750945
Monticellite  (*)OlivineCaMg(SiO4)115813149746,149750,149752153
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O1158111497551508
Mordenite  (*)Mordenite(Na2,Ca,K2)4(Al8Si40)O96·28H2O115811149752405
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)211581114974617380
Narsarsukite  (*)NoneNa2(Ti,Fe3+)Si4(O,F)11115812149747,14975034
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O115815149746,149747,149748,149750,1497521236
Nenadkevichite  (*)Labuntsovite(Na,   )8Nb4(Si4O12)2(O,OH)4·8H2O11581114975019
Nepheline  (*)TridymiteNa3K(Al4Si4O16)115815149747,149748,149750,149753,149754884
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O115810471
Nosean  (*)Sodalite Cancrinite-sodaliteNa8(Si6Al6)O24(SO4)·H2O11581075
Opal  (*)AmorphousSiO2·nH2O1158111497472994
Orthoclase  (*)FeldsparK(AlSi3O8)115817149744,149746,149747,149748,149750,149757,1497622349
Paramontroseite  (*)RamsdelliteVO211581039
Paraumbite  (*)NoneK3Zr2H(Si3O9)2·3H2O1158105
Pectolite  (*)PectoliteNaCa2Si3O8(OH)115815149746,149747,149748,149750,149752363
Perovskite  (*)PerovskiteCaTiO3115816149746,149747,149750,149752,149755,149758495
Petedunnite  (*)PyroxeneCaZnSi2O61158105
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2115814149746,149747,149750,1497522273
Polylithionite  (*)MicaKLi2AlSi4O10F211581114975089
Pyrite  (*)PyriteFeS21158111149742,149744,149746,149747,149748,149750,149752,149755,149757,149759,14976239462
Pyrophanite  (*)CorundumMn2+TiO3115812149746,149747244
Pyrrhotite  (*)NickelineFe7S8115813149747,149748,1497509056
Quartz  (*)QuartzSiO21158114149742,149743,149744,149745,149747,149750,149751,149752,149753,149755,149757,149760,149761,14976261156
Rhabdophane-(Ce)  (*)RhabdophaneCe(PO4)·H2O11581114975066
Rhodochrosite  (*)CalciteMn(CO3)1158111497501711
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)2115811149750375
Rutile  (*)RutileTiO21158114149745,149746,149749,149750,149751,149752,149753,149754,149755,149757,149758,149759,149761,1497625614
Sanidine  (*)FeldsparK(AlSi3O8)115811149750598
Schorlomite  (*)GarnetCa3Ti2(SiFe3+2)O12115814149746,149747,149752,14975454
Seidite-(Ce)  (*)NoneNa4(Ce,Sr)2TiSi8O18(O,OH,F)6·5H2O1158111497473
Siderite  (*)CalciteFe(CO3)1158111497506417
Siderophyllite  (*)MicaKFe2+2Al(Si2Al2)O10(OH)2115812149747,14975092
Sodalite  (*)Cancrinite-sodalite SodaliteNa4(Si3Al3)O12Cl115812149747,149750444
Sphalerite  (*)SphaleriteZnS115817149744,149746,149747,149750,149751,149755,14975721482
Spinel  (*)SpinelMgAl2O41158101934
Strontianite  (*)AragoniteSr(CO3)115811149750589
Synchysite-(Ce)  (*)NoneCaCe(CO3)2F115811149752232
Tainiolite  (*)MicaKLiMg2Si4O10F2115817149747,149750,149751,149755,149757,149761,14976240
Talc  (*)Clay TalcMg3Si4O10(OH)21158111497523337
Tetraferriannite  (*)MicaKFe2+3(Si3Fe3+)O10(OH)211581114975010
Thaumasite  (*)EttringiteCa3Si(OH)6(CO3)(SO4)·12H2O115811149752183
Thomsonite-Ca  (*)ThomsoniteNaCa2(Al5Si5)O20·6H2O115813149747,149752,149753452
Titanite  (*)TitaniteCaTi(SiO4)O115935149747,149748,149750,149752,1497574899
Tobermorite  (*)TobermoriteCa4Si6O17(H2O)2·(Ca·3H2O)115810114
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)21158111497522562
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O115813149746,149753,149754652
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10115814149746,149750,149752,1497531395
Wavellite  (*)WavelliteAl3(PO4)2(OH)3·5H2O115811149755374
Wollastonite  (*)WollastoniteCaSiO3115815149746,149747,149748,149750,1497521247
Yofortierite  (*)Palygorskite ClayMn2+5Si8O20(OH)2·7H2O1158111497508
Zircon  (*)ZirconZr(SiO4)115813149747,149750,1497585251
Zircophyllite  (*)AstrophylliteK2NaFe2+7Zr2(Si4O12)2O2(OH)4F1158111497475


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000710MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.
Jen_0000711MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.
Jen_0000712MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.
Jen_0000713MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.
Jen_0000714MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.
Jen_0000715MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.


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
AJS265_848-000011029297±5K-Ar biotite   Ferrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveZartman et al. (1967)10.2475/ajs.265.10.848AJS265_848 
AJS265_848-0000210595100±5K-Ar biotite   Ferrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveZartman et al. (1967)10.2475/ajs.265.10.848AJS265_848 
AJS265_848-0000311094102±8Rb-Sr biotite   Ferrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveZartman et al. (1967)10.2475/ajs.265.10.848AJS265_848 
AJS265_848-0000411094102±8Rb-Sr biotite   Ferrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveZartman et al. (1967)10.2475/ajs.265.10.848AJS265_848 
Jen_00007101079199±8Rb-Sr whole rock     3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_00007111009095±5K-Ar biotite     3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_00007121029297±5K-Ar biotite     3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0000713998190±9fission-track apatite     3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_000071411393103±10fission-track titanite   Titanite  3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_000071511595105±10fission-track titanite   Titanite  3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
JG105_629-0000194.694.294.4±0.2Ar-Ar biotite   Ferrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveBaksi (1997)10.1086/515966JG105_629 
JG105_629-0000294.49494.2±0.2Ar-Ar biotite   Ferrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveBaksi (1997)10.1086/515966JG105_629 
JG105_629-0000310698102±4K-Ar whole rock   Ferrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveBaksi (1997)10.1086/515966JG105_629 
ree-006661059090-105 Ma; Mid-Cretaceous (various)various       3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveOrris and Grauch (2002) USGSOFR02_189 
USGS-Rb-Sr-01756110.4894.48102.48±8Rb-Srage of intrusionbiotite     212456Magnet Cove Baptist Church Area, Magnet Cove, Hot Spring Co., Arkansas, USA USGS-Rb-Sr USGS-Rb-Sr 

SampleSource LocalityReference URL
FKM-237Magnet Cove, Hot Spring Co., Arkansas, USAhttps://www.rockptx.com/fkm-226-to-fkm-250/#FKM-237
R050363Magnet Cove, Hot Spring Co., Arkansas, USAhttps://rruff.info/R050363
R060872Magnet Cove, Hot Spring Co., Arkansas, USAhttps://rruff.info/R060872
R060148Magnet Cove, Hot Spring Co., Arkansas, USAhttps://rruff.info/R060148
R060095Magnet Cove, Hot Spring Co., Arkansas, USAhttps://rruff.info/R060095
R040115Magnet Cove, Hot Spring Co., Arkansas, USAhttps://rruff.info/R040115
R050456Magnet Cove, Hot Spring Co., Arkansas, USAhttps://rruff.info/R050456
R060125Magnet Cove, Hot Spring Co., Arkansas, USAhttps://rruff.info/R060125
R061040Christry Property (Christry Brookite Deposit; Magnet Cove Rutile Mine; Mo-Ti; Wynn O; Christry Titania), Magnet Cove, Hot Spring Co., Arkansas, USAhttps://rruff.info/R061040
R070650Diamond Jo Quarry, Magnet Cove, Hot Spring Co., Arkansas, USAhttps://rruff.info/R070650
R060468Diamond Jo Quarry, Magnet Cove, Hot Spring Co., Arkansas, USAhttps://rruff.info/R060468

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