Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



Only display mineral occurrences with a max age below:  and a max age above:    
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  • This page displays localities at which this mineral is found, and estimates of the oldest possible geologic age of the mineral at these localities.


    • Minerals queried: Stillwellite-(Ce)

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    Max Age (Ma)Min Age (Ma)mindat IDLocality containing MineralCountryTectonic SettingsDated Locality IDDated Locality (Max Age)Reference (Max Age)Reference (Min Age)Excel ID (Max Age)Excel ID (Min Age)Query Minerals# of Query Minerals at LocalityLat DegLat MinLat SecLon DegLon MinLon SecDecimal Degree
    P14566231939AngolaAngolaUSGSOFR02_189USGSOFR02_189ree-00002ree-00002Stillwellite-(Ce) 1-10-46-49154339-10.780277777778,15.7275
    P14566125552Huambo Province, AngolaAngolaUSGSOFR02_189USGSOFR02_189ree-00002ree-00002Stillwellite-(Ce) 1-12-14-29153549-12.241388888889,15.596944444444
    P14566286493Bailundo City Council, Huambo Province, AngolaAngolaUSGSOFR02_189USGSOFR02_189ree-00002ree-00002Stillwellite-(Ce) 1-12-90155659-12.15,15.949722222222
    MDO14566158061Bailundo, Bailundo City Council, Huambo Province, AngolaAngola158061Bailundo, Bailundo City Council, Huambo Province, AngolaUSGSOFR02_189USGSOFR02_189ree-00002ree-00002Stillwellite-(Ce) 1-12-9015570-12.15,15.95
    P15651432151AustraliaAustraliaAM92_1925AM92_1925Giersdorf_00000712Giersdorf_00000713Stillwellite-(Ce) 1-31-5-22139741-31.089444444444,139.12805555556
    P15651432127Queensland, AustraliaAustraliaAM92_1925AM92_1925Giersdorf_00000712Giersdorf_00000713Stillwellite-(Ce) 1-23-37-321475738-23.625555555556,147.96055555556
    P156514326471Cloncurry Shire, Queensland, AustraliaAustraliaContinental ExtensionAM92_1925AM92_1925Giersdorf_00000712Giersdorf_00000713Stillwellite-(Ce) 1-20-55-46140658-20.929444444444,140.11611111111
    P15651432211639Rosebud Station, Cloncurry Shire, Queensland, AustraliaAustraliaAM92_1925AM92_1925Giersdorf_00000712Giersdorf_00000713Stillwellite-(Ce) 1-20-50-26139578-20.840555555556,139.95222222222
    P15651432204567Mary Kathleen District, Rosebud Station, Cloncurry Shire, Queensland, AustraliaAustraliaAM92_1925AM92_1925Giersdorf_00000712Giersdorf_00000713Stillwellite-(Ce) 1-20-44-3014009-20.741666666667,140.0025
    MDO1565143212502Mary Kathleen Mine (Mary Kathleen Uranium), Mary Kathleen District, Rosebud Station, Cloncurry Shire, Queensland, AustraliaAustralia12502Mary Kathleen Mine (Mary Kathleen Uranium), Mary Kathleen District, Rosebud Station, Cloncurry Shire, Queensland, AustraliaAM92_1925AM92_1925Giersdorf_00000712Giersdorf_00000713Stillwellite-(Ce) 1-20-44-50140043-20.747222222222,140.01194444444
    P10501248188CanadaCanadaGSAB66_1131CJES23_948GSAB66_1131-001Be-00048Stillwellite-(Ce) 1532027-90-3-4053.340833333333,-90.061111111111
    P1050014233Ontario, CanadaCanadaGSAB66_1131CM21_509GSAB66_1131-001Michelle_556Stillwellite-(Ce) 1444832-80-13-4044.808888888889,-80.227777777778
    P1050014550Haliburton Co., Ontario, CanadaCanadaGSAB66_1131CM21_509GSAB66_1131-001Michelle_556Stillwellite-(Ce) 145251-78-25-2445.0475,-78.423333333333
    RP1050014549Monmouth Township, Haliburton Co., Ontario, CanadaCanada27508Tory Hill Area, Haliburton Co., Ontario, CanadaGSAB66_1131CM21_509GSAB66_1131-001Michelle_556Stillwellite-(Ce) 1445940-78-15-5544.994444444444,-78.265277777778
    MDRO105007786Desmont Mine (Homer Yellowknife Prospect), Monmouth Township, Haliburton Co., Ontario, CanadaCanada27508Tory Hill Area, Haliburton Co., Ontario, CanadaGSAB66_1131CM21_509GSAB66_1131-001Michelle_556Stillwellite-(Ce) 145232-78-14-2445.042222222222,-78.24
    P12412414009Québec, CanadaCanadaCJES23_948CJES23_948Be-00048Be-00048Stillwellite-(Ce) 1471229-72-16-5247.208055555556,-72.281111111111
    P124124235914Montérégie, Québec, CanadaCanadaCJES23_948CJES23_948Be-00048Be-00048Stillwellite-(Ce) 1452541-73-18-5945.428055555556,-73.316388888889
    P124124250494La Vallée-du-Richelieu RCM, Montérégie, Québec, CanadaCanadaCJES23_948CJES23_948Be-00048Be-00048Stillwellite-(Ce) 1453344-73-8-3045.562222222222,-73.141666666667
    P124124123123Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, CanadaCanada123123Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, CanadaCJES23_948CJES23_948Be-00048Be-00048Stillwellite-(Ce) 1453345-73-8-3045.5625,-73.141666666667
    MDRO124124599Poudrette Quarry (De-Mix Quarry; Demix Quarry; Uni-Mix Quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, CanadaCanada123123Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, CanadaCJES23_948CJES23_948Be-00048Be-00048Stillwellite-(Ce) 1453346-73-8-3045.562777777778,-73.141666666667
    P26050693ChinaChinaCMP148_79CMP148_79Michelle_284Michelle_283Stillwellite-(Ce) 133055111351933.015277777778,111.58861111111
    P2605023303Liaoning, ChinaChinaCMP148_79CMP148_79Michelle_284Michelle_283Stillwellite-(Ce) 14121812245241.352222222222,122.75055555556
    MDO26050189098Liaodong Peninsula, Liaoning, ChinaChina21142Pipe No. 50, Toudaogou (incl. Pipes No. 51; 68 & 74), Fuxian Kimberlite Field, Wafangdian Co., Dalian, Liaodong Peninsula, Liaoning, ChinaCMP148_79CMP148_79Michelle_284Michelle_283Stillwellite-(Ce) 14034212227540.061666666667,122.45138888889
    P1160116022759DenmarkDenmarkCG227_258CG227_258Be-00043Be-00043Stillwellite-(Ce) 1583480303558.568888888889,0.50972222222222
    P116011601950Greenland, DenmarkDenmarkCG227_258CG227_258Be-00043Be-00043Stillwellite-(Ce) 1691313-45-8-3569.220277777778,-45.143055555556
    P11601160256584Kujalleq, Greenland, DenmarkDenmarkCG227_258CG227_258Be-00043Be-00043Stillwellite-(Ce) 1603314-44-35-5060.553888888889,-44.597222222222
    P1160116023908Narsaq, Kujalleq, Greenland, DenmarkDenmarkCG227_258CG227_258Be-00043Be-00043Stillwellite-(Ce) 1605140-46-21-2360.861111111111,-46.356388888889
    MDO116011604302Ilímaussaq Complex, Narsaq, Kujalleq, Greenland, DenmarkDenmark30754Kvanefjeld (Kuannersuit Plateau), Ilímaussaq Complex, Narsaq, Kujalleq, Greenland, DenmarkCG227_258CG227_258Be-00043Be-00043Stillwellite-(Ce) 1605543-45-53-3460.928611111111,-45.892777777778
    P10.23614553ItalyItalyRDSIMF40_73RDSIMF40_73Michelle_0154Michelle_0149Stillwellite-(Ce) 14232712165742.535277777778,12.2825
    P10.23614944Lazio, ItalyItalyRDSIMF40_73RDSIMF40_73Michelle_0154Michelle_0149Stillwellite-(Ce) 14224112385042.044722222222,12.647222222222
    P0.820.25822231Metropolitan City Of Rome Capital, Lazio, ItalyItalyRDSIMF40_73RDSIMF40_73Michelle_0246_bMichelle_0242Stillwellite-(Ce) 141572412253941.956666666667,12.4275
    MDO0.820.25829170Alban Hills, Metropolitan City Of Rome Capital, Lazio, ItalyItaly29170Alban Hills, Metropolitan City Of Rome Capital, Lazio, ItalyRDSIMF40_73RDSIMF40_73Michelle_0246_bMichelle_0242Stillwellite-(Ce) 14145221241841.756111111111,12.685555555556
    39361Sacrofano Caldera, Metropolitan City Of Rome Capital, Lazio, ItalyItalyStillwellite-(Ce) 14264612253942.112777777778,12.4275
    2079Sacrofano, Sacrofano Caldera, Metropolitan City Of Rome Capital, Lazio, ItalyItalyStillwellite-(Ce) 10000000,0
    MD26476Biachella Valley, Sacrofano, Sacrofano Caldera, Metropolitan City Of Rome Capital, Lazio, ItalyItalyStillwellite-(Ce) 10000000,0
    P10.23622888Viterbo Province, Lazio, ItalyItalyRDSIMF40_73RDSIMF40_73Michelle_0154Michelle_0149Stillwellite-(Ce) 142303911582542.510833333333,11.973611111111
    MD134634Bassano Romano, Viterbo Province, Lazio, ItalyItalyStillwellite-(Ce) 10000000,0
    P10.2365749Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyItaly5749Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyRDSIMF40_73RDSIMF40_73Michelle_0154Michelle_0149Stillwellite-(Ce) 1421947127242.329722222222,12.117222222222
    MDRO10.23626973Capranica, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyItaly5749Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyRDSIMF40_73RDSIMF40_73Michelle_0154Michelle_0149Stillwellite-(Ce) 1421643129242.278611111111,12.150555555556
    P10.2362081Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyItaly2081Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyRDSIMF40_73RDSIMF40_73Michelle_0154Michelle_0149Stillwellite-(Ce) 1422121252842.350555555556,12.091111111111
    MDRO10.23669585Castellaccio Di Petrignano, Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyItaly5749Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyRDSIMF40_73RDSIMF40_73Michelle_0154Michelle_0149Stillwellite-(Ce) 10000000,0
    MDO0.40.42080Tre Croci, Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyItaly2080Tre Croci, Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyRSIMP40_73RSIMP40_73Grew_Li_2019_0086Grew_Li_2019_0086Stillwellite-(Ce) 14223401263542.394444444444,12.109722222222
    MDRO10.236132644Villa San Giovanni In Tuscia, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyItaly5749Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, ItalyRDSIMF40_73RDSIMF40_73Michelle_0154Michelle_0149Stillwellite-(Ce) 14216471231542.279722222222,12.054166666667
    P66.861.614488JapanJapanEG69_1207EG69_1207Kristen001936Kristen001936Stillwellite-(Ce) 135195713558335.3325,135.9675
    P66.861.623078Gifu, JapanJapanEG69_1207EG69_1207Kristen001936Kristen001936Stillwellite-(Ce) 1355101372435.85,137.03444444444
    P66.861.6180788Nakatsugawa City, Gifu, JapanJapanEG69_1207EG69_1207Kristen001936Kristen001936Stillwellite-(Ce) 1353248137232535.546666666667,137.39027777778
    MDO66.861.67032Hirukawa, Nakatsugawa City, Gifu, JapanJapan6411Ebisu Mine, Hirukawa, Nakatsugawa City, Gifu, JapanEG69_1207EG69_1207Kristen001936Kristen001936Stillwellite-(Ce) 1353248137232535.546666666667,137.39027777778
    P29429412362NorwayNorwayBOOK_LHGPM_2010BOOK_LHGPM_2010Be-00062Be-00062Stillwellite-(Ce) 15736269411657.607222222222,9.6877777777778
    P29429414331Vestfold, NorwayNorwayBOOK_LHGPM_2010BOOK_LHGPM_2010Be-00062Be-00062Stillwellite-(Ce) 15921910175959.3525,10.299722222222
    P2942946873Larvik, Vestfold, NorwayNorwayBOOK_LHGPM_2010BOOK_LHGPM_2010Be-00062Be-00062Stillwellite-(Ce) 159349575859.051111111111,9.9661111111111
    RP2942942463Langesundsfjorden, Larvik, Vestfold, NorwayNorway146895Thorstein Quarry, Brunlanes, Larvik, Vestfold, NorwayBOOK_LHGPM_2010BOOK_LHGPM_2010Be-00062Be-00062Stillwellite-(Ce) 1590129482859.003333333333,9.8077777777778
    RP294294194698Barkevik Area, Langesundsfjorden, Larvik, Vestfold, NorwayNorway146895Thorstein Quarry, Brunlanes, Larvik, Vestfold, NorwayBOOK_LHGPM_2010BOOK_LHGPM_2010Be-00062Be-00062Stillwellite-(Ce) 1590189505159.005,9.8475
    MDRO29429413731Barkevikskjær, Barkevik Area, Langesundsfjorden, Larvik, Vestfold, NorwayNorway146895Thorstein Quarry, Brunlanes, Larvik, Vestfold, NorwayBOOK_LHGPM_2010BOOK_LHGPM_2010Be-00062Be-00062Stillwellite-(Ce) 1590199505059.005277777778,9.8472222222222
    14254RomaniaRomaniaStillwellite-(Ce) 146245924182146.416388888889,24.305833333333
    132311Harghita, RomaniaRomaniaStillwellite-(Ce) 14635525193746.584722222222,25.326944444444
    MD214594Ditrău (Ditró), Harghita, RomaniaRomaniaStillwellite-(Ce) 10000000,0
    P128.212714409RussiaRussiaGCA59_2071GCA59_2071GCA59_2071-00006GCA59_2071-00006Stillwellite-(Ce) 15356106839953.936111111111,68.6525
    P128.21272644Sakha Republic (Yakutia), RussiaRussiaGCA59_2071GCA59_2071GCA59_2071-00006GCA59_2071-00006Stillwellite-(Ce) 16329612858763.485,128.96861111111
    P128.21272642Aldan Shield, Sakha Republic (Yakutia), RussiaRussiaGCA59_2071GCA59_2071GCA59_2071-00006GCA59_2071-00006Stillwellite-(Ce) 159331413042259.553888888889,130.07277777778
    P128.212720097Aldan, Aldan Shield, Sakha Republic (Yakutia), RussiaRussiaGCA59_2071GCA59_2071GCA59_2071-00006GCA59_2071-00006Stillwellite-(Ce) 15844612611158.079444444444,126.18361111111
    MDO128.21272818Inagli Massif, Aldan, Aldan Shield, Sakha Republic (Yakutia), RussiaRussia2818Inagli Massif, Aldan, Aldan Shield, Sakha Republic (Yakutia), RussiaGCA59_2071GCA59_2071GCA59_2071-00006GCA59_2071-00006Stillwellite-(Ce) 1583211124545058.536388888889,124.91388888889
    P35917020019TajikistanTajikistanUSGSOFR02_189EJM5_971ree-00615Be-00020Stillwellite-(Ce) 13973570561939.126388888889,70.938611111111
    P35917020021Districts Of Republican Subordination, TajikistanTajikistanUSGSOFR02_189EJM5_971ree-00615Be-00020Stillwellite-(Ce) 1392807042039.466666666667,70.7
    P35917020020Tien Shan Mtn, Districts Of Republican Subordination, TajikistanTajikistanUSGSOFR02_189EJM5_971ree-00615Be-00020Stillwellite-(Ce) 1392807042039.466666666667,70.7
    P359170275859Alai Range (Alayskiy), Tien Shan Mtn, Districts Of Republican Subordination, TajikistanTajikistanUSGSOFR02_189EJM5_971ree-00615Be-00020Stillwellite-(Ce) 1392807042039.466666666667,70.7
    MDO3591703241Dara-i-Pioz Glacier (Dara-Pioz), Alai Range (Alayskiy), Tien Shan Mtn, Districts Of Republican Subordination, TajikistanTajikistan3241Dara-i-Pioz Glacier (Dara-Pioz), Alai Range (Alayskiy), Tien Shan Mtn, Districts Of Republican Subordination, TajikistanUSGSOFR02_189EJM5_971ree-00615Be-00020Stillwellite-(Ce) 1392807042039.466666666667,70.7
    P103510093366USAUSACM52_183CM52_183Bradley_2012_051Bradley_2012_051Stillwellite-(Ce) 1374912-83-42-4937.82,-83.713611111111
    P103510094002New York, USAUSACM52_183CM52_183Bradley_2012_051Bradley_2012_051Stillwellite-(Ce) 142371-75-11-4442.616944444444,-75.195555555556
    P1035100918046Essex Co., New York, USAUSACM52_183CM52_183Bradley_2012_051Bradley_2012_051Stillwellite-(Ce) 1441030-73-45-4744.175,-73.763055555556
    P1035100923854Mineville District, Essex Co., New York, USAUSACM52_183CM52_183Bradley_2012_051Bradley_2012_051Stillwellite-(Ce) 144325-73-28-2244.056944444444,-73.472777777778
    P1035100929291Moriah Township, Mineville District, Essex Co., New York, USAUSACM52_183CM52_183Bradley_2012_051Bradley_2012_051Stillwellite-(Ce) 144353-73-29-1544.064722222222,-73.4875
    MDO103510096417Mineville, Moriah Township, Mineville District, Essex Co., New York, USAUSA6417Mineville, Moriah Township, Mineville District, Essex Co., New York, USACM52_183CM52_183Bradley_2012_051Bradley_2012_051Stillwellite-(Ce) 144441-73-30-4744.078055555556,-73.513055555556

    This mineral directly occurs at 19 localities (22 localities according to mindat, 72 localities if parents are counted as well)
    Of the 19 localities at which this mineral occurs, 16 have an age. (65 of the 72 parent localities have ages)


    MDThe mineral occurs at this locality according to MED, but does not have an age yet.
    MDThe mineral occurs at this locality according to MED, and has an age.
    The mineral occurs at some child of this locality.
    The locality at which the mineral occurs does not have an age...this is the closest parent locality with an age, relative to that mineral. This is not ideal.

    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.

    In order to zoom in/out on the map, you'll need to click inside the map first
    If a locality has both a GPS coordinate, and either contains or has at least one child locality containing at least one of the minerals listed above, then this map displays a single marker for that locality.

     This bottom-level locality is directly dated. (3 total)
     This locality is directly dated, but is not bottom-level. (7 total)
     This locality is not directly dated, and is not bottom-level. (50 total)

     This bottom-level locality has an age assigned to it from some other locality. (5 total)
     This locality does not have an age assigned to it. (2 bottom-level + 5 top/mid-level = 7 total)

       






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