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



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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: Jahnsite-(CaMnFe)

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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
    P582582366BrazilBrazilGSL350_25GSL350_25Be-00005Be-00005Jahnsite-(CaMnFe) 1-12-14-5-48-11-22-12.234722222222,-48.189444444444
    P582582387Minas Gerais, BrazilBrazilGSL350_25GSL350_25Be-00005Be-00005Jahnsite-(CaMnFe) 1-18-52-21-43-32-52-18.8725,-43.547777777778
    P5825825429Galiléia, Minas Gerais, BrazilBrazilGSL350_25GSL350_25Be-00005Be-00005Jahnsite-(CaMnFe) 1-18-57-41-41-28-19-18.961388888889,-41.471944444444
    P58258265973Sapucaia Do Norte, Galiléia, Minas Gerais, BrazilBrazilGSL350_25GSL350_25Be-00005Be-00005Jahnsite-(CaMnFe) 1-18-54-1-41-29-3-18.900277777778,-41.484166666667
    MDO582582418Sapucaia Mine (Proberil Mine; Proberil Claim), Sapucaia Do Norte, Galiléia, Minas Gerais, BrazilBrazil418Sapucaia Mine (Proberil Mine; Proberil Claim), Sapucaia Do Norte, Galiléia, Minas Gerais, BrazilGSL350_25GSL350_25Be-00005Be-00005Jahnsite-(CaMnFe) 1-18-54-2-41-29-3-18.900555555556,-41.484166666667
    P1800180016125FinlandFinlandBGSF82_113BGSF82_113Alexandra-0304Alexandra-0304Jahnsite-(CaMnFe) 162134925182962.230277777778,25.308055555556
    P18001800305622Pirkanmaa, FinlandFinlandBGSF82_113BGSF82_113Alexandra-0304Alexandra-0304Jahnsite-(CaMnFe) 16127123424661.450277777778,23.712777777778
    P1800180016490Orivesi, Pirkanmaa, FinlandFinlandBGSF82_113BGSF82_113Alexandra-0304Alexandra-0304Jahnsite-(CaMnFe) 161343724332861.576944444444,24.557777777778
    P18001800233904Eräjärvi Area, Orivesi, Pirkanmaa, FinlandFinlandBGSF82_113BGSF82_113Alexandra-0304Alexandra-0304Jahnsite-(CaMnFe) 161343724332861.576944444444,24.557777777778
    MDO180018001650Viitaniemi Pegmatite, Eräjärvi Area, Orivesi, Pirkanmaa, FinlandFinland1650Viitaniemi Pegmatite, Eräjärvi Area, Orivesi, Pirkanmaa, FinlandBGSF82_113BGSF82_113Alexandra-0304Alexandra-0304Jahnsite-(CaMnFe) 16135324403761.584166666667,24.676944444444
    14280FranceFranceJahnsite-(CaMnFe) 12720360-37-2827.343333333333,-0.62444444444444
    290204Occitanie, FranceFranceJahnsite-(CaMnFe) 1433937221343.660277777778,2.0369444444444
    48159Pyrénées-Orientales, Occitanie, FranceFranceJahnsite-(CaMnFe) 1423654235042.615,2.5833333333333
    47601Albères Massif, Pyrénées-Orientales, Occitanie, FranceFranceJahnsite-(CaMnFe) 1422931321742.491944444444,3.0380555555556
    245474Argelès-sur-Mer, Albères Massif, Pyrénées-Orientales, Occitanie, FranceFranceJahnsite-(CaMnFe) 1422942315242.495,3.0311111111111
    MD257587Pegmatite Field, Argelès-sur-Mer, Albères Massif, Pyrénées-Orientales, Occitanie, FranceFranceJahnsite-(CaMnFe) 1422941321342.494722222222,3.0369444444444
    252162Collioure (Cotlliure), Albères Massif, Pyrénées-Orientales, Occitanie, FranceFranceJahnsite-(CaMnFe) 1423051343842.514166666667,3.0772222222222
    MD257588Pegmatite Field, Collioure (Cotlliure), Albères Massif, Pyrénées-Orientales, Occitanie, FranceFranceJahnsite-(CaMnFe) 1423048333342.513333333333,3.0591666666667
    P5614.52814244GermanyGermanyMM71_371MM71_371Giersdorf_00000877Giersdorf_00000876Jahnsite-(CaMnFe) 151261810221151.438333333333,10.369722222222
    P5614.5281766Bavaria, GermanyGermanyMM71_371MM71_371Giersdorf_00000877Giersdorf_00000876Jahnsite-(CaMnFe) 14910511254549.168055555556,11.429166666667
    P5614.52822041Upper Palatinate, Bavaria, GermanyGermanyMM71_371MM71_371Giersdorf_00000877Giersdorf_00000876Jahnsite-(CaMnFe) 14932201221849.538888888889,12.352222222222
    P5614.52814730Waidhaus, Upper Palatinate, Bavaria, GermanyGermanyMM71_371MM71_371Giersdorf_00000877Giersdorf_00000876Jahnsite-(CaMnFe) 14938461228449.646111111111,12.467777777778
    P5614.528108622Hagendorf, Waidhaus, Upper Palatinate, Bavaria, GermanyGermany108622Hagendorf, Waidhaus, Upper Palatinate, Bavaria, GermanyMM71_371MM71_371Giersdorf_00000877Giersdorf_00000876Jahnsite-(CaMnFe) 14939712272849.651944444444,12.457777777778
    MDRO5614.5281769Hagendorf South Pegmatite (Cornelia Shaft; Hagendorf South Open Cut), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, GermanyGermany108622Hagendorf, Waidhaus, Upper Palatinate, Bavaria, GermanyMM71_371MM71_371Giersdorf_00000877Giersdorf_00000876Jahnsite-(CaMnFe) 14939112273449.650277777778,12.459444444444
    P26021514553ItalyItalyTCM56_411TCM56_411Giersdorf_00000853Giersdorf_00000855Jahnsite-(CaMnFe) 14232712165742.535277777778,12.2825
    P21521521124Lombardy, ItalyItalyTCM56_411TCM56_411Giersdorf_00000855Giersdorf_00000855Jahnsite-(CaMnFe) 1454755929045.798611111111,9.4833333333333
    P21521557800Lecco Province, Lombardy, ItalyItalyTCM56_411TCM56_411Giersdorf_00000855Giersdorf_00000855Jahnsite-(CaMnFe) 1463459201646.0625,9.3377777777778
    P215215146135Colico, Lecco Province, Lombardy, ItalyItalyTCM56_411TCM56_411Giersdorf_00000855Giersdorf_00000855Jahnsite-(CaMnFe) 1466589191046.116111111111,9.3194444444444
    P215215264804Piona Peninsula, Colico, Lecco Province, Lombardy, ItalyItalyTCM56_411TCM56_411Giersdorf_00000855Giersdorf_00000855Jahnsite-(CaMnFe) 1467119192846.119722222222,9.3244444444444
    MDO21521525826Malpensata Pegmatitic Dyke (Olgiasca-Malpensata; Croce Quarry; Secondi Dyke), Piona Peninsula, Colico, Lecco Province, Lombardy, ItalyItaly25826Malpensata Pegmatitic Dyke (Olgiasca-Malpensata; Croce Quarry; Secondi Dyke), Piona Peninsula, Colico, Lecco Province, Lombardy, ItalyTCM56_411TCM56_411Giersdorf_00000855Giersdorf_00000855Jahnsite-(CaMnFe) 1467179192446.121388888889,9.3233333333333
    264108Dorio, Lecco Province, Lombardy, ItalyItalyJahnsite-(CaMnFe) 1466359204546.109722222222,9.3458333333333
    MD235076Luna Pegmatitic Dyke, Dorio, Lecco Province, Lombardy, ItalyItalyJahnsite-(CaMnFe) 1466309195046.108333333333,9.3305555555556
    P2602542143Trentino-Alto Adige, ItalyItalyTCM56_411TCM56_411Giersdorf_00000853Giersdorf_00000853Jahnsite-(CaMnFe) 14620911171546.335833333333,11.2875
    P26025424815Trento Province (Trentino), Trentino-Alto Adige, ItalyItalyTCM56_411TCM56_411Giersdorf_00000853Giersdorf_00000853Jahnsite-(CaMnFe) 146361183246.051666666667,11.142222222222
    P260254130828Sole Valley, Trento Province (Trentino), Trentino-Alto Adige, ItalyItalyTCM56_411TCM56_411Giersdorf_00000853Giersdorf_00000853Jahnsite-(CaMnFe) 10000000,0
    P260254123242Rabbi Valley, Sole Valley, Trento Province (Trentino), Trentino-Alto Adige, ItalyItalyTCM56_411TCM56_411Giersdorf_00000853Giersdorf_00000853Jahnsite-(CaMnFe) 10000000,0
    P260254237508Rabbi, Rabbi Valley, Sole Valley, Trento Province (Trentino), Trentino-Alto Adige, ItalyItalyTCM56_411TCM56_411Giersdorf_00000853Giersdorf_00000853Jahnsite-(CaMnFe) 10000000,0
    P260254130826Ceresè, Rabbi, Rabbi Valley, Sole Valley, Trento Province (Trentino), Trentino-Alto Adige, ItalyItalyTCM56_411TCM56_411Giersdorf_00000853Giersdorf_00000853Jahnsite-(CaMnFe) 10000000,0
    MDB26025456960Malga Garbella Di Sotto, Ceresè, Rabbi, Rabbi Valley, Sole Valley, Trento Province (Trentino), Trentino-Alto Adige, ItalyItaly56960Malga Garbella Di Sotto, Ceresè, Rabbi, Rabbi Valley, Sole Valley, Trento Province (Trentino), Trentino-Alto Adige, ItalyTCM56_411TCM56_411Giersdorf_00000853Giersdorf_00000853Jahnsite-(CaMnFe) 10000000,0
    P204620287571MoroccoMoroccoGSLSP350_7GSLSP350_7Kristen002511Kristen002511Jahnsite-(CaMnFe) 1303457-7-42-4330.5825,-7.7119444444444
    P20462028121043Drâa-Tafilalet Region, MoroccoMoroccoGSLSP350_7GSLSP350_7Kristen002511Kristen002511Jahnsite-(CaMnFe) 131220-5-34-4031.366666666667,-5.5777777777778
    P2046202827064Ouarzazate Province, Drâa-Tafilalet Region, MoroccoMoroccoGSLSP350_7GSLSP350_7Kristen002511Kristen002511Jahnsite-(CaMnFe) 1305757-6-50-2230.965833333333,-6.8394444444444
    P20462028127028Tazenakht, Ouarzazate Province, Drâa-Tafilalet Region, MoroccoMorocco127028Tazenakht, Ouarzazate Province, Drâa-Tafilalet Region, MoroccoGSLSP350_7GSLSP350_7Kristen002511Kristen002511Jahnsite-(CaMnFe) 1303025-6-47-1230.506944444444,-6.7866666666667
    MDRO2046202831941Angarf-South Pegmatite, Tazenakht, Ouarzazate Province, Drâa-Tafilalet Region, MoroccoMorocco127028Tazenakht, Ouarzazate Province, Drâa-Tafilalet Region, MoroccoGSLSP350_7GSLSP350_7Kristen002511Kristen002511Jahnsite-(CaMnFe) 10000000,0
    121042Marrakech-Safi Region, MoroccoMoroccoJahnsite-(CaMnFe) 1314021-8-16-4731.6725,-8.2797222222222
    290673Rehamna Province, Marrakech-Safi Region, MoroccoMoroccoJahnsite-(CaMnFe) 10000000,0
    290672Jebilet Mtn (Djebilet Mtn), Rehamna Province, Marrakech-Safi Region, MoroccoMoroccoJahnsite-(CaMnFe) 1314947-80031.829722222222,-8
    7270Sidi Bou Othmane, Jebilet Mtn (Djebilet Mtn), Rehamna Province, Marrakech-Safi Region, MoroccoMoroccoJahnsite-(CaMnFe) 1315416-7-56-3331.904444444444,-7.9425
    MD247333Mrirat Pegmatite, Sidi Bou Othmane, Jebilet Mtn (Djebilet Mtn), Rehamna Province, Marrakech-Safi Region, MoroccoMoroccoJahnsite-(CaMnFe) 10000000,0
    14247PolandPolandJahnsite-(CaMnFe) 151374619245551.629444444444,19.415277777778
    16278Lower Silesian Voivodeship, PolandPolandJahnsite-(CaMnFe) 15055141671550.920555555556,16.120833333333
    158183Świdnica Co., Lower Silesian Voivodeship, PolandPolandJahnsite-(CaMnFe) 150544316221850.911944444444,16.371666666667
    309577Gmina Świdnica, Świdnica Co., Lower Silesian Voivodeship, PolandPolandJahnsite-(CaMnFe) 150475516241250.798611111111,16.403333333333
    MD156329Lutomia Dolna, Gmina Świdnica, Świdnica Co., Lower Silesian Voivodeship, PolandPolandJahnsite-(CaMnFe) 10000000,0
    14425PortugalPortugalJahnsite-(CaMnFe) 139327-9-30-3639.535277777778,-9.51
    30140Guarda, PortugalPortugalJahnsite-(CaMnFe) 1403959-7-18-4840.666388888889,-7.3133333333333
    31933Gouveia, Guarda, PortugalPortugalJahnsite-(CaMnFe) 1403126-7-34-4640.523888888889,-7.5794444444444
    132561Folgosinho, Gouveia, Guarda, PortugalPortugalJahnsite-(CaMnFe) 1403010-7-30-840.502777777778,-7.5022222222222
    MD29799Sítio Do Castelo Mine (Folgosinho Quarry), Folgosinho, Gouveia, Guarda, PortugalPortugalJahnsite-(CaMnFe) 1403041-7-30-2940.511388888889,-7.5080555555556
    14544Viseu, PortugalPortugalJahnsite-(CaMnFe) 1404819-7-51-640.805277777778,-7.8516666666667
    MD294858Lagares Mining Field, Viseu, PortugalPortugalJahnsite-(CaMnFe) 140479-7-44-1840.785833333333,-7.7383333333333
    132566Sátão, Viseu, PortugalPortugalJahnsite-(CaMnFe) 1404448-7-39-4740.746666666667,-7.6630555555556
    132565Ferreira De Aves, Sátão, Viseu, PortugalPortugalJahnsite-(CaMnFe) 1404834-7-37-4840.809444444444,-7.63
    249769Aldeia Nova, Ferreira De Aves, Sátão, Viseu, PortugalPortugalJahnsite-(CaMnFe) 1404920-7-37-4940.822222222222,-7.6302777777778
    MD13563Assunção Mine, Aldeia Nova, Ferreira De Aves, Sátão, Viseu, PortugalPortugalJahnsite-(CaMnFe) 1404920-7-37-4940.822222222222,-7.6302777777778
    58381Vila Nova De Paiva, Viseu, PortugalPortugalJahnsite-(CaMnFe) 140502-7-46-4440.833888888889,-7.7788888888889
    56051Queiriga, Vila Nova De Paiva, Viseu, PortugalPortugalJahnsite-(CaMnFe) 1404730-7-45-2340.791666666667,-7.7563888888889
    235634Lagares Do Estanho Mines, Queiriga, Vila Nova De Paiva, Viseu, PortugalPortugalJahnsite-(CaMnFe) 1404721-7-44-340.789166666667,-7.7341666666667
    MD46448Rebentão Mine, Lagares Do Estanho Mines, Queiriga, Vila Nova De Paiva, Viseu, PortugalPortugalJahnsite-(CaMnFe) 1404710-7-44-1940.786111111111,-7.7386111111111
    P2740244614409RussiaRussiaBKSCRAS1_79DES461_321Alexandra-0175Alexandra-0168Jahnsite-(CaMnFe) 15356106839953.936111111111,68.6525
    P2740244617857Murmansk Oblast, RussiaRussiaBKSCRAS1_79DES461_321Alexandra-0175Alexandra-0168Jahnsite-(CaMnFe) 16755583324467.932777777778,33.045555555556
    MDO2740244624971Voron'i Tundry, Murmansk Oblast, RussiaRussia24970Okhmyl'k Mt, Voron'i Tundry, Murmansk Oblast, RussiaBKSCRAS1_79DES461_321Alexandra-0175Alexandra-0168Jahnsite-(CaMnFe) 16825735434768.418611111111,35.729722222222
    5536SpainSpainJahnsite-(CaMnFe) 1401510-3-35-2340.252777777778,-3.5897222222222
    22275Castile And Leon, SpainSpainJahnsite-(CaMnFe) 1413318-4-42-2741.555,-4.7075
    24358Salamanca, Castile And Leon, SpainSpainJahnsite-(CaMnFe) 1405023-6-16-3540.839722222222,-6.2763888888889
    280824Garcirrey, Salamanca, Castile And Leon, SpainSpainJahnsite-(CaMnFe) 10000000,0
    MD72812Julita Quarry (Cañada Pegmatite), Garcirrey, Salamanca, Castile And Leon, SpainSpainJahnsite-(CaMnFe) 10000000,0
    P2452397103SwitzerlandSwitzerlandCM52_183CM52_183Bradley_2012_027Bradley_2012_027Jahnsite-(CaMnFe) 1470408104847.011111111111,8.18
    P24523914461Ticino, SwitzerlandSwitzerlandCM52_183CM52_183Bradley_2012_027Bradley_2012_027Jahnsite-(CaMnFe) 14615208514246.255555555556,8.8616666666667
    P245239133786Lago Maggiore, Ticino, SwitzerlandSwitzerlandCM52_183CM52_183Bradley_2012_027Bradley_2012_027Jahnsite-(CaMnFe) 10000000,0
    P245239122695Brissago, Lago Maggiore, Ticino, SwitzerlandSwitzerland122695Brissago, Lago Maggiore, Ticino, SwitzerlandCM52_183CM52_183Bradley_2012_027Bradley_2012_027Jahnsite-(CaMnFe) 146798424146.119166666667,8.7113888888889
    MDRO245239122696Ponte Valley, Brissago, Lago Maggiore, Ticino, SwitzerlandSwitzerland122695Brissago, Lago Maggiore, Ticino, SwitzerlandCM52_183CM52_183Bradley_2012_027Bradley_2012_027Jahnsite-(CaMnFe) 10000000,0
    P3512943366USAUSACM52_183CM54_945Bradley_2012_149Alexandra-0181Jahnsite-(CaMnFe) 1374912-83-42-4937.82,-83.713611111111
    3772Maine, USAUSAJahnsite-(CaMnFe) 1443728-69-29-1744.624444444444,-69.488055555556
    14250Oxford Co., Maine, USAUSAJahnsite-(CaMnFe) 144231-70-39-2844.383611111111,-70.657777777778
    192467Newry, Oxford Co., Maine, USAUSAJahnsite-(CaMnFe) 1443239-70-43-3944.544166666667,-70.7275
    MD5939Bell Pit, Newry, Oxford Co., Maine, USAUSAJahnsite-(CaMnFe) 1443239-70-43-1544.544166666667,-70.720833333333
    MD3798Crooker Gem Pegmatite Quarries (includes Former Crooker Quarry; Blue Pit; Plumbago Prospects; Grand Canyon Prospect; Martin Prospect; Big Blue Prospect; Vandelight Ledge Prospect; Stanley Prospect; Several Unnamed Prospects), Newry, Oxford Co., Maine, USAUSAJahnsite-(CaMnFe) 1443239-70-43-2544.544166666667,-70.723611111111
    MD3780Dunton Gem Quarry, Newry, Oxford Co., Maine, USAUSAJahnsite-(CaMnFe) 1443234-70-43-2344.542777777778,-70.723055555556
    14498Paris, Oxford Co., Maine, USAUSAJahnsite-(CaMnFe) 1441550-70-28-1544.263888888889,-70.470833333333
    MD6101Ryerson Hill Quarries, Paris, Oxford Co., Maine, USAUSAJahnsite-(CaMnFe) 1441744-70-28-144.295555555556,-70.466944444444
    6289Rumford, Oxford Co., Maine, USAUSAJahnsite-(CaMnFe) 1443334-70-41-4544.559444444444,-70.695833333333
    MD3791Red Hill Quarries, Rumford, Oxford Co., Maine, USAUSAJahnsite-(CaMnFe) 10000000,0
    P33929414502New Hampshire, USAUSAGSAB81_3359CM54_945Alexandra-0411Alexandra-0181Jahnsite-(CaMnFe) 1432748-71-34-1643.463333333333,-71.571111111111
    P33929414501Grafton Co., New Hampshire, USAUSAGSAB81_3359CM54_945Alexandra-0411Alexandra-0181Jahnsite-(CaMnFe) 144022-71-51-3044.006111111111,-71.858333333333
    P33929414500Groton, Grafton Co., New Hampshire, USAUSAGSAB81_3359CM54_945Alexandra-0411Alexandra-0181Jahnsite-(CaMnFe) 1434519-71-52-2443.755277777778,-71.873333333333
    MDO3393196343Fletcher Mine, Groton, Grafton Co., New Hampshire, USAUSA6343Fletcher Mine, Groton, Grafton Co., New Hampshire, USAGSAB81_3359GSAB81_3359Alexandra-0411Alexandra-0411Jahnsite-(CaMnFe) 1434534-71-49-3843.759444444444,-71.827222222222
    MDO3262943942Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAUSA3942Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USACM54_945CM54_945Alexandra-0181Alexandra-0181Jahnsite-(CaMnFe) 143454-71-53-2243.751111111111,-71.889444444444
    MDRO3262948928Palermo No. 2 Mine, Groton, Grafton Co., New Hampshire, USAUSA3942Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USACM54_945CM54_945Alexandra-0181Alexandra-0181Jahnsite-(CaMnFe) 143456-71-53-3343.751666666667,-71.8925
    P3513454033North Carolina, USAUSACM52_183CM50_1589Bradley_2012_149Be-00021Jahnsite-(CaMnFe) 1353720-79-53-1935.622222222222,-79.888611111111
    P35134524032Cleveland Co., North Carolina, USAUSACM52_183CM50_1589Bradley_2012_149Be-00021Jahnsite-(CaMnFe) 1352110-81-33-3935.352777777778,-81.560833333333
    P35134514555Kings Mountain District, Cleveland Co., North Carolina, USAUSACM52_183CM50_1589Bradley_2012_149Be-00021Jahnsite-(CaMnFe) 1351228-81-21-5435.207777777778,-81.365
    MDO3513453280Foote Lithium Co. Mine (Foote Mine), Kings Mountain District, Cleveland Co., North Carolina, USAUSA3280Foote Lithium Co. Mine (Foote Mine), Kings Mountain District, Cleveland Co., North Carolina, USACM52_183CM50_1589Bradley_2012_149Be-00021Jahnsite-(CaMnFe) 1351239-81-21-2035.210833333333,-81.355555555556

    This mineral directly occurs at 27 localities (29 localities according to mindat, 103 localities if parents are counted as well)
    Of the 27 localities at which this mineral occurs, 12 have an age. (53 of the 103 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. (7 total)
     This locality is directly dated, but is not bottom-level. (3 total)
     This locality is not directly dated, and is not bottom-level. (39 total)

     This bottom-level locality has an age assigned to it from some other locality. (4 total)
     This locality does not have an age assigned to it. (13 bottom-level + 37 top/mid-level = 50 total)

       






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