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:    
Alternately, only display mineral occurrences without an age:


  • 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: Trona

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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
    P0.00850.008136AntarcticaAntarcticaBOOK_SMLCIT_1990BOOK_SMLCIT_1990Michelle_513Michelle_513Trona 1-75-36-44-10-49-22-75.612222222222,-10.822777777778
    P0.00850.0081133106Eastern Antarctica, AntarcticaAntarcticaBOOK_SMLCIT_1990BOOK_SMLCIT_1990Michelle_513Michelle_513Trona 1-74-29-30562016-74.491666666667,56.337777777778
    P0.00850.0081195109Transantarctic Mts, Eastern Antarctica, AntarcticaAntarcticaBOOK_SMLCIT_1990BOOK_SMLCIT_1990Michelle_513Michelle_513Trona 1-85-1-51503444-85.030833333333,50.578888888889
    P0.00850.0081257991Buckley Island Quadrangle, Transantarctic Mts, Eastern Antarctica, AntarcticaAntarcticaBOOK_SMLCIT_1990BOOK_SMLCIT_1990Michelle_513Michelle_513Trona 1-84-17-201612432-84.288888888889,161.40888888889
    MDG0.00850.0081244416Lewis Cliff, Buckley Island Quadrangle, Transantarctic Mts, Eastern Antarctica, AntarcticaAntarctica244416Lewis Cliff, Buckley Island Quadrangle, Transantarctic Mts, Eastern Antarctica, AntarcticaBOOK_SMLCIT_1990BOOK_SMLCIT_1990Michelle_513Michelle_513Trona 1-84-17-211612433-84.289166666667,161.40916666667
    14398ArgentinaArgentinaTrona 1-33-41-5-65-32-49-33.684722222222,-65.546944444444
    14472Chubut Province, ArgentinaArgentinaTrona 1-43-39-17-68-54-59-43.654722222222,-68.916388888889
    239609Paso De Indios Department, Chubut Province, ArgentinaArgentinaTrona 1-43-35-28-68-44-56-43.591111111111,-68.748888888889
    281585Los Altares, Paso De Indios Department, Chubut Province, ArgentinaArgentinaTrona 1-43-53-2-68-24-43-43.883888888889,-68.411944444444
    MD241363Dawsonite Locality, Los Altares, Paso De Indios Department, Chubut Province, ArgentinaArgentinaTrona 10000000,0
    19470Salta Province, ArgentinaArgentinaTrona 1-24-24-36-65-53-20-24.41,-65.888888888889
    239519Los Andes Department, Salta Province, ArgentinaArgentinaTrona 1-24-39-11-67-14-37-24.653055555556,-67.243611111111
    MD47866Laguna Santa Maria, Los Andes Department, Salta Province, ArgentinaArgentinaTrona 1-24-6-8-67-21-35-24.102222222222,-67.359722222222
    P18471841151AustraliaAustraliaOGR29_177OGR29_177Michelle_605Michelle_605Trona 1-31-5-22139741-31.089444444444,139.12805555556
    P1847184115624Western Australia, AustraliaAustraliaOGR29_177OGR29_177Michelle_605Michelle_605Trona 1-29-41-1611873-29.687777777778,118.1175
    P18471841146990Menzies Shire, Western Australia, AustraliaAustraliaOGR29_177OGR29_177Michelle_605Michelle_605Trona 1-29-38-191214332-29.638611111111,121.72555555556
    P18471841203497Menangina Station, Menzies Shire, Western Australia, AustraliaAustraliaOGR29_177OGR29_177Michelle_605Michelle_605Trona 1-29-58-4121454-29.967777777778,121.75111111111
    MDO18471841219Carr Boyd Rocks Ni Mine (Carr Boyd Ni Mine), Menangina Station, Menzies Shire, Western Australia, AustraliaAustralia219Carr Boyd Rocks Ni Mine (Carr Boyd Ni Mine), Menangina Station, Menzies Shire, Western Australia, AustraliaOGR29_177OGR29_177Michelle_605Michelle_605Trona 1-30-401213745-30.066666666667,121.62916666667
    14279AustriaAustriaTrona 14732491441847.546944444444,14.071666666667
    57629Burgenland, AustriaAustriaTrona 147303016254247.508333333333,16.428333333333
    205811Neusiedl Am See, Burgenland, AustriaAustriaTrona 147555716493747.9325,16.826944444444
    263653Seewinkel, Neusiedl Am See, Burgenland, AustriaAustriaTrona 14747716484047.785277777778,16.811111111111
    MD263682Herrnsee, Seewinkel, Neusiedl Am See, Burgenland, AustriaAustriaTrona 14744411646947.744722222222,16.769166666667
    MD263683Hölle, Seewinkel, Neusiedl Am See, Burgenland, AustriaAustriaTrona 147491816473947.821666666667,16.794166666667
    MD263694Mittlerer Stinkersee, Seewinkel, Neusiedl Am See, Burgenland, AustriaAustriaTrona 147482316471447.806388888889,16.787222222222
    MD263693Oberer Stinkersee, Seewinkel, Neusiedl Am See, Burgenland, AustriaAustriaTrona 147484916473247.813611111111,16.792222222222
    MD263695Südlicher Stinkersee (Unterer Stinkersee), Seewinkel, Neusiedl Am See, Burgenland, AustriaAustriaTrona 147475016471147.797222222222,16.786388888889
    MD263697Zicksee (Zicklacke), Seewinkel, Neusiedl Am See, Burgenland, AustriaAustriaTrona 147471716541047.788055555556,16.902777777778
    14499BoliviaBoliviaTrona 1-16-52-44-65-48-37-16.878888888889,-65.810277777778
    34889Potosí, BoliviaBoliviaTrona 1-20-23-39-66-36-1-20.394166666667,-66.600277777778
    55790Nor Lípez Province, Potosí, BoliviaBoliviaTrona 1-21-22-40-67-42-20-21.377777777778,-67.705555555556
    277666San Juan, Nor Lípez Province, Potosí, BoliviaBoliviaTrona 1-21-43-44-67-56-30-21.728888888889,-67.941666666667
    MD166612Cachilaguna (Cachi Laguna; Laguna Cachi), San Juan, Nor Lípez Province, Potosí, BoliviaBoliviaTrona 1-21-43-45-67-56-30-21.729166666667,-67.941666666667
    24891Sud Lípez Province, Potosí, BoliviaBoliviaTrona 1-22-6-18-66-56-20-22.105,-66.938888888889
    MD166584Laguna Hedionda Sur, Sud Lípez Province, Potosí, BoliviaBoliviaTrona 1-22-27-20-67-230-22.455555555556,-67.383333333333
    MD166581Laguna Honda Sur, Sud Lípez Province, Potosí, BoliviaBoliviaTrona 1-22-34-10-67-270-22.569444444444,-67.45
    MD166583Laguna Kollpa (Collpa Laguna), Sud Lípez Province, Potosí, BoliviaBoliviaTrona 1-22-28-20-67-24-40-22.472222222222,-67.411111111111
    23358BotswanaBotswanaTrona 1-22-35-12244641-22.586666666667,24.778055555556
    123170North-West District, BotswanaBotswanaTrona 1-20-5-14223748-20.087222222222,22.63
    MD272117Okavango Delta, North-West District, BotswanaBotswanaTrona 1-19-39-3225421-19.650833333333,22.905833333333
    P14001248188CanadaCanadaUSGSOFR03_107CJES23_948sedcu-00169Be-00048Trona 1532027-90-3-4053.340833333333,-90.061111111111
    MDO1400100015153Alberta, CanadaCanada4371Yarrow Creek, Yarrow Creek-Spionkop Creek Deposit, Alberta, CanadaUSGSOFR03_107USGSOFR03_107sedcu-00169sedcu-00163Trona 1525019-114-7-1852.838611111111,-114.12166666667
    P12412414009Québec, CanadaCanadaCJES23_948CJES23_948Be-00048Be-00048Trona 1471229-72-16-5247.208055555556,-72.281111111111
    P124124235914Montérégie, Québec, CanadaCanadaCJES23_948CJES23_948Be-00048Be-00048Trona 1452541-73-18-5945.428055555556,-73.316388888889
    P124124250494La Vallée-du-Richelieu RCM, Montérégie, Québec, CanadaCanadaCJES23_948CJES23_948Be-00048Be-00048Trona 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-00048Trona 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-00048Trona 1453346-73-8-3045.562777777778,-73.141666666667
    620Saskatchewan, CanadaCanadaTrona 1532654-106-34-3953.448333333333,-106.5775
    MD300199Ceylon Lake, Saskatchewan, CanadaCanadaTrona 1492731-104-36-2249.458611111111,-104.60611111111
    28900ChadChadTrona 11449281484714.824444444444,14.146388888889
    29871Kanem Region (Khanem), ChadChadTrona 116601535016.1,15.583333333333
    277569Eguéi Region (Eguei; Eguéï; Egai), Kanem Region (Khanem), ChadChadTrona 116601535016.1,15.583333333333
    MD158400Koukourdei (Bir Salado), Eguéi Region (Eguei; Eguéï; Egai), Kanem Region (Khanem), ChadChadTrona 116601535016.1,15.583333333333
    P174100638ChileChileBOOK_TGC_2007BOOK_TGC_2007Michelle_500Michelle_539Trona 1-33-48-28-71-47-30-33.807777777778,-71.791666666667
    P174100685Tarapacá, ChileChileBOOK_TGC_2007BOOK_TGC_2007Michelle_500Michelle_539Trona 1-20-23-21-69-37-17-20.389166666667,-69.621388888889
    P174100689Iquique Province, Tarapacá, ChileChileBOOK_TGC_2007BOOK_TGC_2007Michelle_500Michelle_539Trona 1-20-37-51-69-59-2-20.630833333333,-69.983888888889
    P17410024805Santa Rosa-Huantajaya District, Iquique Province, Tarapacá, ChileChileBOOK_TGC_2007BOOK_TGC_2007Michelle_500Michelle_539Trona 1-20-17-19-70-2-33-20.288611111111,-70.0425
    MDO17410069589Santa Rosa Mine, Santa Rosa-Huantajaya District, Iquique Province, Tarapacá, ChileChile69589Santa Rosa Mine, Santa Rosa-Huantajaya District, Iquique Province, Tarapacá, ChileBOOK_TGC_2007BOOK_TGC_2007Michelle_500Michelle_539Trona 1-20-17-19-70-2-33-20.288611111111,-70.0425
    P0.1260.0008693ChinaChinaAGS81_861AGS81_861Scott-AGS81_861-0001Scott-AGS81_861-0001Trona 133055111351933.015277777778,111.58861111111
    22425Henan, ChinaChinaTrona 13463211303134.108888888889,113.00861111111
    135149Nanyang, Henan, ChinaChinaTrona 1331249112125033.213611111111,112.21388888889
    24765Tongbai Co., Nanyang, Henan, ChinaChinaTrona 1323235113241332.543055555556,113.40361111111
    156656Biyang Basin, Tongbai Co., Nanyang, Henan, ChinaChinaTrona 13235011312032.583333333333,113.2
    MD64737Anpeng Mine, Biyang Basin, Tongbai Co., Nanyang, Henan, ChinaChinaTrona 13235011312032.583333333333,113.2
    MD143967Wucheng Mine, Tongbai Co., Nanyang, Henan, ChinaChinaTrona 13235011338032.583333333333,113.63333333333
    16155Inner Mongolia, ChinaChinaTrona 142345611345242.582222222222,113.08111111111
    144065Alxa League (Alashan Prefecture), Inner Mongolia, ChinaChinaTrona 1401258102215540.216111111111,102.36527777778
    216727Alxa Left Banner (Alashan Zuoqi), Alxa League (Alashan Prefecture), Inner Mongolia, ChinaChinaTrona 13945010542039.75,105.7
    MD228756Tengger Desert (Tenggeli Desert; Tengger Shamo), Alxa Left Banner (Alashan Zuoqi), Alxa League (Alashan Prefecture), Inner Mongolia, ChinaChinaTrona 10000000,0
    143911Xilin Gol League (Xilinguole Prefecture), Inner Mongolia, ChinaChinaTrona 1434225114593743.706944444444,114.99361111111
    157094Sonid Right Banner (Sunite Youqi), Xilin Gol League (Xilinguole Prefecture), Inner Mongolia, ChinaChinaTrona 142365911344442.616388888889,113.07888888889
    MD143946Qagan Nur Salt Lake (Chagannur Salt Lake), Sonid Right Banner (Sunite Youqi), Xilin Gol League (Xilinguole Prefecture), Inner Mongolia, ChinaChinaTrona 14316011254043.266666666667,112.9
    22159Qinghai, ChinaChinaTrona 13556699385535.935,99.648611111111
    695Haixi, Qinghai, ChinaChinaTrona 13714195173437.233611111111,95.292777777778
    157235Dulan Co., Haixi, Qinghai, ChinaChinaTrona 13693097313436.158333333333,97.526111111111
    MD205277Zongjia-Balong Deposit, Dulan Co., Haixi, Qinghai, ChinaChinaTrona 136250974036.416666666667,97.066666666667
    P0.1260.000816458Tibet, ChinaChinaAGS81_861AGS81_861Scott-AGS81_861-0001Scott-AGS81_861-0001Trona 13024309034130.408333333333,90.566944444444
    134564Nagchu Prefecture (Naqu Prefecture), Tibet, ChinaChinaTrona 131561789443331.938055555556,89.7425
    189116Baingoin Co. (Bange Co.), Nagchu Prefecture (Naqu Prefecture), Tibet, ChinaChinaTrona 13129549063531.498333333333,90.109722222222
    MD144621Bangkog Co (Bangkog Tso; Bange Cuo; Bangge Cuo), Baingoin Co. (Bange Co.), Nagchu Prefecture (Naqu Prefecture), Tibet, ChinaChinaTrona 1314308929031.716666666667,89.483333333333
    234814Nyima Co. (Nima Co.), Nagchu Prefecture (Naqu Prefecture), Tibet, ChinaChinaTrona 132444987131432.746944444444,87.220555555556
    MD157206Damxung Co (Dangqiong Co; Tangyung Co; Damxung Tso; Dangqiong Tso; Tangyung Tso; Dangxiong Cuo), Nyima Co. (Nima Co.), Nagchu Prefecture (Naqu Prefecture), Tibet, ChinaChinaTrona 1313508645031.583333333333,86.75
    MD261953Guojialin Lake, Nyima Co. (Nima Co.), Nagchu Prefecture (Naqu Prefecture), Tibet, ChinaChinaTrona 13159458840931.995833333333,88.669166666667
    P0.1260.0008154548Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, ChinaChinaAGS81_861AGS81_861Scott-AGS81_861-0001Scott-AGS81_861-0001Trona 129353987555829.594166666667,87.932777777778
    P0.1260.0008258304Zhongba Co., Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, ChinaChinaAGS81_861AGS81_861Scott-AGS81_861-0001Scott-AGS81_861-0001Trona 13126538431731.448055555556,84.054722222222
    MDO0.1260.00083257Chabyer Caka (Chabyer Co; Zhabuye Chaka; Zhabuye Cuo; Zabuye Salt Lake), Zhongba Co., Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, ChinaChina3257Chabyer Caka (Chabyer Co; Zhabuye Chaka; Zhabuye Cuo; Zabuye Salt Lake), Zhongba Co., Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, ChinaAGS81_861AGS81_861Scott-AGS81_861-0001Scott-AGS81_861-0001Trona 13122198431131.371944444444,84.053055555556
    20275Xinjiang, ChinaChinaTrona 14149428422841.828333333333,84.368888888889
    156603Hetian Prefecture (Khotan Prefecture; Hotan Prefecture; Hoten Prefecture), Xinjiang, ChinaChinaTrona 13552488191935.88,81.155277777778
    229251Yutian Co. (Keriye Co.), Hetian Prefecture (Khotan Prefecture; Hotan Prefecture; Hoten Prefecture), Xinjiang, ChinaChinaTrona 135443881324935.743888888889,81.546944444444
    MD261920Aqikekol Salt Lake (Aqike Salt Lake), Yutian Co. (Keriye Co.), Hetian Prefecture (Khotan Prefecture; Hotan Prefecture; Hoten Prefecture), Xinjiang, ChinaChinaTrona 135443881325035.743888888889,81.547222222222
    156604Wulumuqi Prefecture (Ürümqi Prefecture; Ürümchi Prefecture), Xinjiang, ChinaChinaTrona 143432687275043.723888888889,87.463888888889
    229223Dabancheng District, Wulumuqi Prefecture (Ürümqi Prefecture; Ürümchi Prefecture), Xinjiang, ChinaChinaTrona 14325118843943.419722222222,88.0775
    229224Dabancheng Salt Lakes, Dabancheng District, Wulumuqi Prefecture (Ürümqi Prefecture; Ürümchi Prefecture), Xinjiang, ChinaChinaTrona 14325128844043.42,88.077777777778
    MD261922West Dabancheng Salt Lake, Dabancheng Salt Lakes, Dabancheng District, Wulumuqi Prefecture (Ürümqi Prefecture; Ürümchi Prefecture), Xinjiang, ChinaChinaTrona 1432720882443.455555555556,88.034444444444
    14355Yunnan, ChinaChinaTrona 12506101192825.001666666667,101.32444444444
    21243Baoshan, Yunnan, ChinaChinaTrona 12453599915924.899722222222,99.033055555556
    8304Tengchong Co., Baoshan, Yunnan, ChinaChinaTrona 12522519828425.380833333333,98.467777777778
    155750Rehai Geothermal Field, Tengchong Co., Baoshan, Yunnan, ChinaChinaTrona 10000000,0
    MD272300Qushi Xiaotangba Springs, Rehai Geothermal Field, Tengchong Co., Baoshan, Yunnan, ChinaChinaTrona 10000000,0
    7944Czech RepublicCzech RepublicTrona 14951141523449.853888888889,15.384444444444
    125707Karlovy Vary Region, Czech RepublicCzech RepublicTrona 15012512414050.201388888889,12.694444444444
    MD158151Jáchymov Ore District, Karlovy Vary Region, Czech RepublicCzech RepublicCollisional BoundaryTrona 10000000,0
    5615Karlovy Vary District, Karlovy Vary Region, Czech RepublicCzech RepublicTrona 150174912542350.296944444444,12.906388888889
    MD217889Thermal Springs Area, Karlovy Vary District, Karlovy Vary Region, Czech RepublicCzech RepublicTrona 150134912516050.230277777778,12.866666666667
    P1160116022759DenmarkDenmarkCG227_258CG227_258Be-00043Be-00043Trona 1583480303558.568888888889,0.50972222222222
    P116011601950Greenland, DenmarkDenmarkCG227_258CG227_258Be-00043Be-00043Trona 1691313-45-8-3569.220277777778,-45.143055555556
    P11601160256584Kujalleq, Greenland, DenmarkDenmarkCG227_258CG227_258Be-00043Be-00043Trona 1603314-44-35-5060.553888888889,-44.597222222222
    P1160116023908Narsaq, Kujalleq, Greenland, DenmarkDenmarkCG227_258CG227_258Be-00043Be-00043Trona 1605140-46-21-2360.861111111111,-46.356388888889
    P116011604302Ilímaussaq Complex, Narsaq, Kujalleq, Greenland, DenmarkDenmarkCG227_258CG227_258Be-00043Be-00043Trona 1605543-45-53-3460.928611111111,-45.892777777778
    P1160116030754Kvanefjeld (Kuannersuit Plateau), Ilímaussaq Complex, Narsaq, Kujalleq, Greenland, DenmarkDenmark30754Kvanefjeld (Kuannersuit Plateau), Ilímaussaq Complex, Narsaq, Kujalleq, Greenland, DenmarkCG227_258CG227_258Be-00043Be-00043Trona 1605811-45-59-1360.969722222222,-45.986944444444
    RP11601160191069Kvanefjeld Uranium Deposit, Kvanefjeld (Kuannersuit Plateau), Ilímaussaq Complex, Narsaq, Kujalleq, Greenland, DenmarkDenmark30754Kvanefjeld (Kuannersuit Plateau), Ilímaussaq Complex, Narsaq, Kujalleq, Greenland, DenmarkCG227_258CG227_258Be-00043Be-00043Trona 160540-45-50060.9,-45.833333333333
    MDRO11601160191074Drill Core 49, Kvanefjeld Uranium Deposit, Kvanefjeld (Kuannersuit Plateau), Ilímaussaq Complex, Narsaq, Kujalleq, Greenland, DenmarkDenmark30754Kvanefjeld (Kuannersuit Plateau), Ilímaussaq Complex, Narsaq, Kujalleq, Greenland, DenmarkCG227_258CG227_258Be-00043Be-00043Trona 10000000,0
    820EgyptEgyptTrona 128101730542728.171388888889,30.9075
    306059Beheira, EgyptEgyptTrona 13023353018930.393055555556,30.3025
    156789Wadi El-Natrun Depression (Wadi El Natroun), Beheira, EgyptEgyptTrona 130233530181030.393055555556,30.302777777778
    MD265175El-Fazda Lake, Wadi El-Natrun Depression (Wadi El Natroun), Beheira, EgyptEgyptTrona 130193130242530.325277777778,30.406944444444
    MD308016El-Gaâr Lake, Wadi El-Natrun Depression (Wadi El Natroun), Beheira, EgyptEgyptTrona 130272030102030.455555555556,30.172222222222
    211234Giza, EgyptEgyptTrona 1297323044729.125555555556,30.079722222222
    211233Al Jizah (Giza), Giza, EgyptEgyptTrona 12951593115029.866388888889,31.25
    MD134856Mit Rahina (Memphis; Ruhaynah; Mitrahineh; Noph), Al Jizah (Giza), Giza, EgyptEgyptTrona 12951593115029.866388888889,31.25
    21874EthiopiaEthiopiaTrona 192028392729.3411111111111,39.450555555556
    22882Oromia Region (Oromiya Region), EthiopiaEthiopiaTrona 1725193756207.4219444444444,37.938888888889
    283224Hawasa, Oromia Region (Oromiya Region), EthiopiaEthiopiaTrona 10000000,0
    MD273144Shalo Hot Spring, Hawasa, Oromia Region (Oromiya Region), EthiopiaEthiopiaTrona 10000000,0
    P35424814244GermanyGermanyHg-00059Hg-00059Trona 151261810221151.438333333333,10.369722222222
    P35424814243Rhineland-Palatinate, GermanyGermanyHg-00059Hg-00059Trona 14954397302549.910833333333,7.5069444444444
    P354248305377Rhein-Lahn-Kreis, Rhineland-Palatinate, GermanyGermanyHg-00059Hg-00059Trona 15017547501250.298333333333,7.8366666666667
    RP3542481838Bad Ems, Rhein-Lahn-Kreis, Rhineland-Palatinate, GermanyGermanyContinental Extension14243Rhineland-Palatinate, GermanyHg-00059Hg-00059Trona 15019257402050.323611111111,7.6722222222222
    RP35424839008Braubach, Bad Ems, Rhein-Lahn-Kreis, Rhineland-Palatinate, GermanyGermany14243Rhineland-Palatinate, GermanyHg-00059Hg-00059Trona 15016417384950.278055555556,7.6469444444444
    MDRO354248238490Lead And Silver Smelter Slag Locality, Braubach, Bad Ems, Rhein-Lahn-Kreis, Rhineland-Palatinate, GermanyGermany14243Rhineland-Palatinate, GermanyHg-00059Hg-00059Trona 10000000,0
    14214HungaryHungaryTrona 147164218523747.278333333333,18.876944444444
    126695Bács-Kiskun, HungaryHungaryTrona 146452219452546.756111111111,19.756944444444
    132315Great Hungarian Plain, Bács-Kiskun, HungaryHungaryTrona 146452319452646.756388888889,19.757222222222
    MD108351Fülöpszállás, Great Hungarian Plain, Bács-Kiskun, HungaryHungaryTrona 10000000,0
    280836Petőfiszállás, Great Hungarian Plain, Bács-Kiskun, HungaryHungaryTrona 14635331954846.5925,19.902222222222
    MD108349Péteri Lake (Péteri-to), Petőfiszállás, Great Hungarian Plain, Bács-Kiskun, HungaryHungaryTrona 14635331954946.5925,19.9025
    P0.4014553ItalyItalyJP78_753JP78_753Michelle_0040Michelle_0040Trona 14232712165742.535277777778,12.2825
    P0.402071Campania, ItalyItalyJP78_753JP78_753Michelle_0040Michelle_0040Trona 140525714243440.8825,14.409444444444
    P0.402094Naples, Campania, ItalyItalyJP78_753JP78_753Michelle_0040Michelle_0040Trona 14047221463040.789444444444,14.108333333333
    108343Phlegrean Fields, Naples, Campania, ItalyItalyTrona 14049361473240.826666666667,14.125555555556
    45823Pozzuoli, Phlegrean Fields, Naples, Campania, ItalyItalyTrona 14049401483640.827777777778,14.143333333333
    MD2093Solfatara Di Pozzuoli, Pozzuoli, Phlegrean Fields, Naples, Campania, ItalyItalyTrona 14049411482940.828055555556,14.141388888889
    O0.402091Somma-Vesuvius Complex, Naples, Campania, ItalyItaly2091Somma-Vesuvius Complex, Naples, Campania, ItalyJP78_753JP78_753Michelle_0040Michelle_0040Trona 140491714245240.821388888889,14.414444444444
    MD145740Mt Vesuvius, Somma-Vesuvius Complex, Naples, Campania, ItalyItalyTrona 140482314253340.806388888889,14.425833333333
    14444Sicily, ItalyItalyTrona 13739551405637.665277777778,14.015555555556
    25782Catania Province, Sicily, ItalyItalyTrona 13726714442037.435277777778,14.738888888889
    130812Etna Volcanic Complex, Catania Province, Sicily, ItalyItalyTrona 137375314591437.631388888889,14.987222222222
    2136Mt Etna, Etna Volcanic Complex, Catania Province, Sicily, ItalyItalyTrona 13742471512437.713055555556,15.023333333333
    MD24977La Grotta Cutrona (Cutrona Lava Tube), Mt Etna, Etna Volcanic Complex, Catania Province, Sicily, ItalyItalyTrona 10000000,0
    2232KenyaKenyaTrona 10-29-36363540-0.49333333333333,36.594444444444
    301378Baringo County, KenyaKenyaTrona 101411366150.23638888888889,36.104166666667
    MD54643Lake Bogoria (Hannington Lake), Baringo County, KenyaKenyaTrona 101412366150.23666666666667,36.104166666667
    156156Kajiado County, KenyaKenyaTrona 1-20-19361042-2.0052777777778,36.178333333333
    MD2233Lake Magadi, Kajiado County, KenyaKenyaTrona 1-1-52-5936160-1.8830555555556,36.266666666667
    31301Mount Suswa (Suswa Volcano), Kajiado County, KenyaKenyaTrona 1-1-10-22362051-1.1727777777778,36.3475
    MD144119Cave No. 13, Mount Suswa (Suswa Volcano), Kajiado County, KenyaKenyaTrona 10000000,0
    301376Trans-Nzoia County, KenyaKenyaTrona 119563431241.1655555555556,34.523333333333
    287366Mount Elgon, Trans-Nzoia County, KenyaKenyaTrona 119573431241.1658333333333,34.523333333333
    MD204563Kitum Cave, Mount Elgon, Trans-Nzoia County, KenyaKenyaTrona 112563434481.0488888888889,34.58
    14176LibyaLibyaTrona 12751015593027.85,15.991666666667
    288843Fezzan, LibyaLibyaTrona 126413613184626.693333333333,13.312777777778
    MD2242Mandara Lake, Fezzan, LibyaLibyaTrona 126413713184626.693611111111,13.312777777778
    10257NamibiaNamibiaTrona 1-21-56-1516451-21.9375,16.750277777778
    108762Oshana Region, NamibiaNamibiaTrona 1-18-39-25153559-18.656944444444,15.599722222222
    310370Uuvudhiya, Oshana Region, NamibiaNamibiaTrona 1-18-39-26153559-18.657222222222,15.599722222222
    MD145957Otjivalunda Salt Pan (Otjiwalundo Salt Pan), Uuvudhiya, Oshana Region, NamibiaNamibiaTrona 1-18-39-2715360-18.6575,15.6
    P13013023281NigerNigerUSGSOFR03_107USGSOFR03_107sedcu-00534sedcu-00534Trona 11559236285215.989722222222,6.4811111111111
    P130130123174Agadez Department, NigerNigerUSGSOFR03_107USGSOFR03_107sedcu-00534sedcu-00534Trona 11840328363018.675555555556,8.6083333333333
    MDO130130287574Agadez, Agadez Department, NigerNiger228176Agadez Cu Deposit, Agadez, Agadez Department, NigerUSGSOFR03_107USGSOFR03_107sedcu-00534sedcu-00534Trona 116590756016.983333333333,7.9333333333333
    2445Bilma Oasis, Agadez Department, NigerNigerTrona 1192012541219.033333333333,12.903333333333
    MD300193Dirkou, Bilma Oasis, Agadez Department, NigerNigerTrona 1192012541219.033333333333,12.903333333333
    MD123178Niamey Department, NigerNigerTrona 10000000,0
    MD123180Zinder Department, NigerNigerTrona 10000000,0
    5869PeruPeruTrona 1-11-25-24-75-20-42-11.423333333333,-75.345
    22152La Libertad, PeruPeruTrona 1-8-5-32-78-32-44-8.0922222222222,-78.545555555556
    300188Pacasmayo Province, La Libertad, PeruPeruTrona 10000000,0
    300189Jequetepeque, Pacasmayo Province, La Libertad, PeruPeruTrona 10000000,0
    MD300190Jequetepeque Valley, Jequetepeque, Pacasmayo Province, La Libertad, PeruPeruTrona 10000000,0
    14247PolandPolandTrona 151374619245551.629444444444,19.415277777778
    22722Silesian Voivodeship, PolandPolandTrona 150211118542550.353055555556,18.906944444444
    309647Wodzisław Co., Silesian Voivodeship, PolandPolandTrona 15031318254750.053611111111,18.429722222222
    295187Wodzisław Śląski, Wodzisław Co., Silesian Voivodeship, PolandPolandTrona 15024218251650.045,18.421111111111
    MD295188Pszów, Wodzisław Śląski, Wodzisław Co., Silesian Voivodeship, PolandPolandTrona 15024318251650.045277777778,18.421111111111
    P413.6319.614409RussiaRussiaMP98_55MP98_55Jen_0000486Jen_0000486Trona 15356106839953.936111111111,68.6525
    21878Crimea, RussiaRussiaTrona 145174536165345.295833333333,36.281388888889
    2631Kerch Peninsula, Crimea, RussiaRussiaTrona 145174536165345.295833333333,36.281388888889
    276008Bondarenkovo Village Area, Kerch Peninsula, Crimea, RussiaRussiaTrona 10000000,0
    MD217612Bulganak Mud Volcano, Bondarenkovo Village Area, Kerch Peninsula, Crimea, RussiaRussiaTrona 10000000,0
    207940Simferopol Area, Crimea, RussiaRussiaTrona 10000000,0
    279899Chistenkoye Village, Simferopol Area, Crimea, RussiaRussiaTrona 10000000,0
    MD211736Tash-Djorghan Mountain, Chistenkoye Village, Simferopol Area, Crimea, RussiaRussiaTrona 10000000,0
    P413.6319.617857Murmansk Oblast, RussiaRussiaMP98_55MP98_55Jen_0000486Jen_0000486Trona 16755583324467.932777777778,33.045555555556
    P413.6319.62680Khibiny Massif, Murmansk Oblast, RussiaRussia2680Khibiny Massif, Murmansk Oblast, RussiaMP98_55MP98_55Jen_0000486Jen_0000486Trona 16742433451667.701111111111,33.754444444444
    MDRO413.6319.6250658Koashva Mt, Khibiny Massif, Murmansk Oblast, RussiaRussia2680Khibiny Massif, Murmansk Oblast, RussiaMP98_55MP98_55Jen_0000486Jen_0000486Trona 1673659340067.616388888889,34
    RP413.6319.62675Kukisvumchorr Mt, Khibiny Massif, Murmansk Oblast, RussiaRussia2680Khibiny Massif, Murmansk Oblast, RussiaMP98_55MP98_55Jen_0000486Jen_0000486Trona 10000000,0
    MDRO413.6319.62685Kirovskii Apatite Mine (Kirovsky Mine; Kirovskii Mine; Kirov Mine), Kukisvumchorr Mt, Khibiny Massif, Murmansk Oblast, RussiaRussia2680Khibiny Massif, Murmansk Oblast, RussiaMP98_55MP98_55Jen_0000486Jen_0000486Trona 1674003343067.666666666667,33.716666666667
    MDRO413.6319.622280Partomchorr Mt., Khibiny Massif, Murmansk Oblast, RussiaRussia2680Khibiny Massif, Murmansk Oblast, RussiaMP98_55MP98_55Jen_0000486Jen_0000486Trona 167495733415367.8325,33.698055555556
    MDRO413.6319.62673Restin'yun Mt, Khibiny Massif, Murmansk Oblast, RussiaRussia2680Khibiny Massif, Murmansk Oblast, RussiaMP98_55MP98_55Jen_0000486Jen_0000486Trona 10000000,0
    MDRO413.6319.62676Vuonnemiok River Valley, Khibiny Massif, Murmansk Oblast, RussiaRussia2680Khibiny Massif, Murmansk Oblast, RussiaMP98_55MP98_55Jen_0000486Jen_0000486Trona 10000000,0
    P3703592697Lovozero Massif, Murmansk Oblast, RussiaRussia2697Lovozero Massif, Murmansk Oblast, RussiaP22_462P22_462P22_462_fig1_008P22_462_fig1_008Trona 167531034324567.886111111111,34.545833333333
    P3703592692Alluaiv Mt, Lovozero Massif, Murmansk Oblast, RussiaRussia2692Alluaiv Mt, Lovozero Massif, Murmansk Oblast, RussiaP22_462P22_462P22_462_fig1_008P22_462_fig1_008Trona 167525034263067.880555555556,34.441666666667
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    P3523422644Sakha Republic (Yakutia), RussiaRussiaG33_549G33_549Michelle_381Michelle_381Trona 16329612858763.485,128.96861111111
    P35234231381Daldyn-Alakit Kimberlite Field, Sakha Republic (Yakutia), RussiaRussiaG33_549G33_549Michelle_381Michelle_381Trona 166134811203866.23,112.01055555556
    P35234249105Daldyn, Daldyn-Alakit Kimberlite Field, Sakha Republic (Yakutia), RussiaRussiaG33_549G33_549Michelle_381Michelle_381Trona 1662542112294666.428333333333,112.49611111111
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    2640Zabaykalsky Krai, RussiaRussiaTrona 1522634108242252.442777777778,108.40611111111
    18524Buriatia Republic (Buryatia), Zabaykalsky Krai, RussiaRussiaTrona 153262210892353.439444444444,108.15638888889
    293229Baunt District, Buriatia Republic (Buryatia), Zabaykalsky Krai, RussiaRussiaTrona 15529611330355.485,113.50083333333
    MD298194Mogoi Springs (Tsipin; Amundzhak), Baunt District, Buriatia Republic (Buryatia), Zabaykalsky Krai, RussiaRussiaTrona 1552826113262155.473888888889,113.43916666667
    P1400014468South AfricaSouth AfricaGSCOF5796GSCOF5796Jen_0001129Jen_0001172Trona 1-28-14-36264719-28.243333333333,26.788611111111
    P1400025861Gauteng, South AfricaSouth AfricaGSCOF5796GSCOF5796Jen_0001129Jen_0001172Trona 1-26-9-728614-26.151944444444,28.103888888889
    P14000260452Pretoria District (Tshwane District), Gauteng, South AfricaSouth AfricaGSCOF5796GSCOF5796Jen_0001129Jen_0001172Trona 1-25-46-2128634-25.7725,28.109444444444
    MDO1400056875Salt Pan Crater (Tswaing Crater), Pretoria District (Tshwane District), Gauteng, South AfricaSouth Africa56875Salt Pan Crater (Tswaing Crater), Pretoria District (Tshwane District), Gauteng, South AfricaGSCOF5796GSCOF5796Jen_0001129Jen_0001172Trona 1-25-24-2828456-25.407777777778,28.082222222222
    5536SpainSpainTrona 1401510-3-35-2340.252777777778,-3.5897222222222
    19468Aragón, SpainSpainTrona 14127280-43-1141.457777777778,-0.71972222222222
    52055Huesca, Aragón, SpainSpainTrona 1421453012142.248055555556,0.20027777777778
    274222Flumen-Monegros District, Huesca, Aragón, SpainSpainTrona 14151360-16-141.86,-0.26694444444444
    MD300183Grañen, Flumen-Monegros District, Huesca, Aragón, SpainSpainTrona 14156220-22-1041.939444444444,-0.36944444444444
    MD300186San Juan De Flumen, Flumen-Monegros District, Huesca, Aragón, SpainSpainTrona 14146110-13-5541.769722222222,-0.23194444444444
    MD300185San Lorenzo De Flumen, Flumen-Monegros District, Huesca, Aragón, SpainSpainTrona 14152180-12-141.871666666667,-0.20027777777778
    23359SudanSudanTrona 1155183154615.852222222222,31.096111111111
    38814North Darfur, SudanSudanTrona 11565925121315.116388888889,25.203611111111
    MD225425El-Atrun, North Darfur, SudanSudanTrona 11810026405918.166666666667,26.683055555556
    7103SwitzerlandSwitzerlandTrona 1470408104847.011111111111,8.18
    3234Valais, SwitzerlandSwitzerlandTrona 1461410737746.236111111111,7.6186111111111
    130566Martigny, Valais, SwitzerlandSwitzerlandTrona 146524763446.09,7.1094444444444
    29207Mont Chemin, Martigny, Valais, SwitzerlandSwitzerlandTrona 146524763546.09,7.1097222222222
    MD29206Martigny Road Tunnel, Mont Chemin, Martigny, Valais, SwitzerlandSwitzerlandTrona 10000000,0
    3216Vaud, SwitzerlandSwitzerlandTrona 1464156362446.684722222222,6.6066666666667
    134545Bex, Vaud, SwitzerlandSwitzerlandTrona 146153704646.250833333333,7.0127777777778
    MD122628Salt Mine, Bex, Vaud, SwitzerlandSwitzerlandTrona 10000000,0
    P2.22.034384TanzaniaTanzaniaMP98_55MP98_55Jen_0000429Jen_0000427Trona 1-5-26-47344748-5.4463888888889,34.796666666667
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    MD107174Lake Natron, Arusha Region, TanzaniaTanzaniaTrona 10000000,0
    MDO0.015014962Mt Oldoinyo Lengai (Ol Doinyo Lengai), Arusha Region, TanzaniaTanzania14962Mt Oldoinyo Lengai (Ol Doinyo Lengai), Arusha Region, TanzaniaJVGR37_77GSCOF5796Michelle_0066Jen_0000559Trona 1-2-450355559-2.75,35.933055555556
    MDO2.22.0334964Kilimanjaro Region, TanzaniaTanzania69264Monduli Volcano, Kilimanjaro Region, TanzaniaMP98_55MP98_55Jen_0000429Jen_0000427Trona 1-3-34-1373322-3.5669444444444,37.556111111111
    7230TunisiaTunisiaTrona 136125922336.023611111111,9.3675
    144162Tataouine, TunisiaTunisiaTrona 132522910402932.874722222222,10.674722222222
    MD300198Playa Oum El Krialate, Tataouine, TunisiaTunisiaTrona 1324801056032.8,10.933333333333
    6062TurkeyTurkeyTrona 139164834194239.28,34.328333333333
    26240Central Anatolia Region, TurkeyTurkeyTrona 139171934292239.288611111111,34.489444444444
    146215Ankara Province, Central Anatolia Region, TurkeyTurkeyTrona 140264332543140.445277777778,32.908611111111
    MD258270Beypazari, Ankara Province, Central Anatolia Region, TurkeyTurkeyTrona 10000000,0
    44099Konya Province, Central Anatolia Region, TurkeyTurkeyTrona 10000000,0
    3268Great Konya Basin, Konya Province, Central Anatolia Region, TurkeyTurkeyTrona 10000000,0
    MD241332Ak Gol, Great Konya Basin, Konya Province, Central Anatolia Region, TurkeyTurkeyTrona 10000000,0
    23980Marmara Region, TurkeyTurkeyTrona 14029132811840.486944444444,28.021666666667
    22827Balikesir Province, Marmara Region, TurkeyTurkeyTrona 13935727314839.585277777778,27.53
    20263Biga Peninsula, Balikesir Province, Marmara Region, TurkeyTurkeyTrona 139442927352939.741388888889,27.591388888889
    279075Gönen, Biga Peninsula, Balikesir Province, Marmara Region, TurkeyTurkeyTrona 13957027385939.95,27.649722222222
    MD13496Sebepliköy (Sebepli), Gönen, Biga Peninsula, Balikesir Province, Marmara Region, TurkeyTurkeyTrona 1395702739039.95,27.65
    16168UgandaUgandaTrona 1048453228270.8125,32.474166666667
    290422Western Region, UgandaUgandaTrona 10-38-34295710-0.64277777777778,29.952777777778
    133804Kasese District, Western Region, UgandaUgandaTrona 102382957360.043888888888889,29.96
    MD61392Lake Katwe, Kasese District, Western Region, UgandaUgandaTrona 10-7-43295213-0.12861111111111,29.870277777778
    P25217614281UKUKSKAB1_1SKAB1_1Emily000536Emily000536Trona 1535237-3-55-3553.876944444444,-3.9263888888889
    P25217614093England, UKUKSKAB1_1SKAB1_1Emily000536Emily000536Trona 1521826-1-25-3352.307222222222,-1.4258333333333
    25816Co. Durham, England, UKUKTrona 1544425-1-51-2254.740277777778,-1.8561111111111
    303014Stockton-on-Tees, Co. Durham, England, UKUKTrona 1543549-1-15-4154.596944444444,-1.2613888888889
    285084Billingham, Stockton-on-Tees, Co. Durham, England, UKUKTrona 1543549-1-15-4154.596944444444,-1.2613888888889
    MD204465Billingham Anhydrite Mine, Billingham, Stockton-on-Tees, Co. Durham, England, UKUKTrona 1543549-1-15-4154.596944444444,-1.2613888888889
    P2521761620Devon, England, UKUKSKAB1_1SKAB1_1Emily000536Emily000536Trona 150401-3-48-1750.666944444444,-3.8047222222222
    P252176146396East Devon, Devon, England, UKUKSKAB1_1SKAB1_1Emily000536Emily000536Trona 150432-3-12-4750.717222222222,-3.2130555555556
    P252176284151Budleigh Salterton, East Devon, Devon, England, UKUKSKAB1_1SKAB1_1Emily000536Emily000536Trona 1503646-3-21-2950.612777777778,-3.3580555555556
    MDO2521764422Littleham Bay, Budleigh Salterton, East Devon, Devon, England, UKUK4422Littleham Bay, Budleigh Salterton, East Devon, Devon, England, UKSKAB1_1SKAB1_1Emily000536Emily000536Trona 1503646-3-21-2950.612777777778,-3.3580555555556
    P201.60.019493366USAUSAUSGSOFR2008_1155GCA57_3855PorphCu-00063Michelle_0064Trona 1374912-83-42-4937.82,-83.713611111111
    P50.019493424California, USAUSANAVDATGCA57_3855NAVDAT-29604Michelle_0064Trona 1374954-120-44-337.831666666667,-120.73416666667
    3462Inyo Co., California, USAUSATrona 1363553-117-40-936.598055555556,-117.66916666667
    MD211184Amargosa Valley, Inyo Co., California, USAUSATrona 1361252-116-22-3036.214444444444,-116.375
    3450Death Valley, Inyo Co., California, USAUSATrona 1363728-117-7-1736.624444444444,-117.12138888889
    MD211697Bennetts Well, Death Valley, Inyo Co., California, USAUSATrona 136958-116-51-3636.166111111111,-116.86
    212826Deep Springs Valley, Inyo Co., California, USAUSATrona 1371847-118-1-2837.313055555556,-118.02444444444
    MD3451Deep Springs Lake (Deep Springs Playa), Deep Springs Valley, Inyo Co., California, USAUSATrona 1371656-118-1-3937.282222222222,-118.0275
    210330Owens Valley, Inyo Co., California, USAUSATrona 136466-118-6-1436.768333333333,-118.10388888889
    210204Olancha, Owens Valley, Inyo Co., California, USAUSATrona 1362746-117-56-3636.462777777778,-117.94333333333
    MD3519Owens Lake, Olancha, Owens Valley, Inyo Co., California, USAUSATrona 1362746-117-56-3636.462777777778,-117.94333333333
    P51.6414592Lake Co., California, USAUSANAVDATNAVDATNAVDAT-29604NAVDAT-130387Trona 13935-122-45-139.051388888889,-122.75027777778
    P51.64215383Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USAUSANAVDATNAVDATNAVDAT-29604NAVDAT-130387Trona 139133-122-35-4339.025833333333,-122.59527777778
    O1.681.64229329Clear Lake, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USAUSA229329Clear Lake, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USANAVDATNAVDATNAVDAT-130387NAVDAT-130387Trona 1385834-122-38-3038.976111111111,-122.64166666667
    MD80779Borax Lake Mine (Lake Hachinhama; Little Borax Lake; Clear Lake), Clear Lake, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USAUSATrona 138580-122-40038.966666666667,-122.66666666667
    P5429485Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USAUSANAVDATNAVDATNAVDAT-29604NAVDAT-29604Trona 139243-122-36-5139.045277777778,-122.61416666667
    MDO543437Borax Lake (Big Borax Lake), Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USAUSA3437Borax Lake (Big Borax Lake), Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USANAVDATNAVDATNAVDAT-29604NAVDAT-29604Trona 1385918-122-40-3638.988333333333,-122.67666666667
    P0.019670.0194922789Mono Co., California, USAUSAGCA57_3855GCA57_3855Michelle_0064Michelle_0064Trona 1375351-119-3-1137.8975,-119.05305555556
    O0.019670.0194929781Mono Lake, Mono Co., California, USAUSA29781Mono Lake, Mono Co., California, USAGCA57_3855GCA57_3855Michelle_0064Michelle_0064Trona 138015-119-2-5338.004166666667,-119.04805555556
    MD209582Eastern Edge Of Mono Lake, Mono Lake, Mono Co., California, USAUSATrona 10000000,0
    P0.0320.02453541San Bernardino Co., California, USAUSAQR9_319QR9_319Michelle_0060Michelle_0060Trona 1345414-116-18-5934.903888888889,-116.31638888889
    88702Hector, San Bernardino Co., California, USAUSATrona 1344741-116-27-2834.794722222222,-116.45777777778
    MD88529Fort Cady Deposit (Fort Cady Solution Mine; Fort Cady Project), Hector, San Bernardino Co., California, USAUSATrona 134460-116-25034.766666666667,-116.41666666667
    P0.0320.02453551Searles Lake, San Bernardino Co., California, USAUSAQR9_319QR9_319Michelle_0060Michelle_0060Trona 1354417-117-22-2635.738055555556,-117.37388888889
    MDO0.0320.0245220705Well G.75, Searles Lake, San Bernardino Co., California, USAUSA220705Well G.75, Searles Lake, San Bernardino Co., California, USAQR9_319QR9_319Michelle_0060Michelle_0060Trona 10000000,0
    3585Colorado, USAUSATrona 1385532-105-31-5138.925555555556,-105.53083333333
    156352Alamosa Co., Colorado, USAUSATrona 1373923-105-38-537.656388888889,-105.63472222222
    133185San Luis Valley, Alamosa Co., Colorado, USAUSATrona 1374213-105-36-2737.703611111111,-105.6075
    MD158763Soda Lakes, San Luis Valley, Alamosa Co., Colorado, USAUSATrona 1374029-105-42-1137.674722222222,-105.70305555556
    MD109744Unknown Na Occurrence [1], Alamosa Co., Colorado, USAUSATrona 137412-105-41-5937.683888888889,-105.69972222222
    15313Chaffee Co., Colorado, USAUSATrona 1383957-106-12-138.665833333333,-106.20027777778
    49783Chalk Creek District, Chaffee Co., Colorado, USAUSATrona 1384018-106-17-538.671666666667,-106.28472222222
    MD72436Hortense Hot Spring, Chalk Creek District, Chaffee Co., Colorado, USAUSATrona 1384358-106-10-2938.732777777778,-106.17472222222
    14313Mesa Co., Colorado, USAUSATrona 139140-108-35-4439.027777777778,-108.59555555556
    MD133040West Salt Creek, Mesa Co., Colorado, USAUSATrona 1392144-108-58-3739.362222222222,-108.97694444444
    23762Rio Blanco Co., Colorado, USAUSATrona 1395947-108-13-439.996388888889,-108.21777777778
    132804Piceance Basin, Rio Blanco Co., Colorado, USAUSATrona 10000000,0
    122867Green River Formation, Piceance Basin, Rio Blanco Co., Colorado, USAUSATrona 10000000,0
    MD158776Parachute Creek Member, Green River Formation, Piceance Basin, Rio Blanco Co., Colorado, USAUSATrona 10000000,0
    23615Saguache Co., Colorado, USAUSATrona 1381224-106-21-5038.206666666667,-106.36388888889
    MD118724Unknown Sodium Occurrence (MRDS - 10016251), Saguache Co., Colorado, USAUSATrona 10000000,0
    208081Michigan, USAUSATrona 144140-85-11-2044.027777777778,-85.188888888889
    15099Marquette Co., Michigan, USAUSATrona 1463348-87-41-3546.563333333333,-87.693055555556
    125421Marquette Iron Range, Marquette Co., Michigan, USAUSATrona 146287-87-42-3046.468611111111,-87.708333333333
    24096Palmer, Marquette Iron Range, Marquette Co., Michigan, USAUSATrona 1462614-87-35-1746.437222222222,-87.588055555556
    MD10949Empire Mine, Palmer, Marquette Iron Range, Marquette Co., Michigan, USAUSATrona 146260-87-35046.433333333333,-87.583333333333
    14194Nevada, USAUSATrona 1391258-117-33-1539.216111111111,-117.55416666667
    23467Churchill Co., Nevada, USAUSATrona 1393718-118-27-5739.621666666667,-118.46583333333
    222451Ragtown, Churchill Co., Nevada, USAUSATrona 1393113-118-52-5239.520277777778,-118.88111111111
    222450Carson Sink, Ragtown, Churchill Co., Nevada, USAUSATrona 1393113-118-52-5339.520277777778,-118.88138888889
    MD61017Big Soda Lake, Carson Sink, Ragtown, Churchill Co., Nevada, USAUSATrona 1393133-118-52-4839.525833333333,-118.88
    MD61018Little Soda Lake, Carson Sink, Ragtown, Churchill Co., Nevada, USAUSATrona 1393053-118-52-5839.514722222222,-118.88277777778
    14361Mineral Co., Nevada, USAUSATrona 1383248-118-20-1238.546666666667,-118.33666666667
    MD37012Double Springs Marsh, Mineral Co., Nevada, USAUSATrona 1385856-118-39-3838.982222222222,-118.66055555556
    MD37031Rhodes Marsh (Virginia Marsh), Mineral Co., Nevada, USAUSATrona 10000000,0
    MD37035Teels Marsh, Mineral Co., Nevada, USAUSATrona 1381220-118-21-2238.205555555556,-118.35611111111
    3913Nye Co., Nevada, USAUSATrona 1375345-116-46-3537.895833333333,-116.77638888889
    MD37050Butterfield Marsh, Nye Co., Nevada, USAUSATrona 1382847-115-40-2538.479722222222,-115.67361111111
    3991New Mexico, USAUSATrona 1343019-105-53-4134.505277777778,-105.89472222222
    21846Cibola Co., New Mexico, USAUSATrona 135056-107-34-4635.015555555556,-107.57944444444
    MD35703El Malpais National Monument, Cibola Co., New Mexico, USAUSATrona 1345959-108-5-134.999722222222,-108.08361111111
    21968Colfax Co., New Mexico, USAUSATrona 1363335-104-30-536.559722222222,-104.50138888889
    51549Springer, Colfax Co., New Mexico, USAUSATrona 1362559-104-10-736.433055555556,-104.16861111111
    50526Point Of Rocks Mesa (Pecks Mesa), Springer, Colfax Co., New Mexico, USAUSATrona 136260-104-10-736.433333333333,-104.16861111111
    MD3968Point Of Rocks Quarry, Point Of Rocks Mesa (Pecks Mesa), Springer, Colfax Co., New Mexico, USAUSATrona 136261-104-10-836.433611111111,-104.16888888889
    13536McKinley Co., New Mexico, USAUSATrona 1353752-108-42-2035.631111111111,-108.70555555556
    284974Valle De San Miguel, McKinley Co., New Mexico, USAUSATrona 10000000,0
    MD51129Ojo De Tao, Valle De San Miguel, McKinley Co., New Mexico, USAUSATrona 10000000,0
    16399Otero Co., New Mexico, USAUSATrona 1324023-105-51-5332.673055555556,-105.86472222222
    MD194460Tularosa Basin, Otero Co., New Mexico, USAUSATrona 10000000,0
    4060Oregon, USAUSATrona 144316-121-32-244.518333333333,-121.53388888889
    24085Lake Co., Oregon, USAUSATrona 1423740-120-28-3142.627777777778,-120.47527777778
    MD23698Alkali Lake, Lake Co., Oregon, USAUSATrona 1425830-120-1-3042.975,-120.025
    P51.345.114378Utah, USAUSAGSAM120_54GSAM120_54Scott-GSAM120_54-0001Scott-GSAM120_54-0001Trona 1393549-111-40-4239.596944444444,-111.67833333333
    P51.345.119342Duchesne Co., Utah, USAUSAGSAM120_54GSAM120_54Scott-GSAM120_54-0001Scott-GSAM120_54-0001Trona 1402351-110-31-3440.3975,-110.52611111111
    MDO51.345.137759Green River Formation, Duchesne Co., Utah, USAUSA37759Green River Formation, Duchesne Co., Utah, USAGSAM120_54GSAM120_54Scott-GSAM120_54-0001Scott-GSAM120_54-0001Trona 10000000,0
    MD37760Indian Canyon, Duchesne Co., Utah, USAUSATrona 140919-110-24-2740.155277777778,-110.4075
    MD20308Mapco Shrine Hospital No. 1 Well, Duchesne Co., Utah, USAUSATrona 140149-110-26-340.235833333333,-110.43416666667
    P201.64714220Washington, USAUSAUSGSOFR2008_1155EJM28_153PorphCu-00063Alexandra-0179Trona 147154-120-42-4547.251111111111,-120.7125
    17526Grant Co., Washington, USAUSATrona 1471850-119-24-5547.313888888889,-119.41527777778
    267362Warden, Grant Co., Washington, USAUSATrona 1465831-119-15-546.975277777778,-119.25138888889
    MD15921Carbonate Lake, Warden, Grant Co., Washington, USAUSATrona 1465738-119-14-846.960555555556,-119.23555555556
    MDO201.64717538Okanogan Co., Washington, USAUSA22183Kelsey Mine (Hart Stone Mine; Stone Mine), Oroville, Similkameen & Oroville Districts, Okanogan Co., Washington, USAUSGSOFR2008_1155EJM28_153PorphCu-00063Alexandra-0179Trona 1483517-119-39-3748.588055555556,-119.66027777778
    4227Wyoming, USAUSATrona 14355-107-11-4443.084722222222,-107.19555555556
    4228Albany Co., Wyoming, USAUSATrona 1413826-105-42-441.640555555556,-105.70111111111
    18315Laramie, Albany Co., Wyoming, USAUSATrona 141190-105-35041.316666666667,-105.58333333333
    MD156251Unnamed Soda Lakes, Laramie, Albany Co., Wyoming, USAUSATrona 10000000,0
    4234Sweetwater Co., Wyoming, USAUSATrona 1413235-108-58-641.543055555556,-108.96833333333
    175665Green River Basin, Sweetwater Co., Wyoming, USAUSATrona 1413510-109-45-3141.586111111111,-109.75861111111
    MD171433Alchem Trona Mine, Green River Basin, Sweetwater Co., Wyoming, USAUSATrona 1413536-109-45-841.593333333333,-109.75222222222
    MD171643Big Island Mine (Stauffer), Green River Basin, Sweetwater Co., Wyoming, USAUSATrona 1414138-109-42-641.693888888889,-109.70166666667
    MD172115FMC Green River Trona Mine (Westvaco Mine), Green River Basin, Sweetwater Co., Wyoming, USAUSATrona 1413625-109-49-5541.606944444444,-109.83194444444
    MD172189Granger Mine, Green River Basin, Sweetwater Co., Wyoming, USAUSATrona 141412-109-54-1241.683888888889,-109.90333333333
    MD173743Stauffer Trona Mine, Green River Basin, Sweetwater Co., Wyoming, USAUSATrona 1414255-109-42-141.715277777778,-109.70027777778
    4235Green River Formation, Sweetwater Co., Wyoming, USAUSATrona 1412312-109-46-5641.386666666667,-109.78222222222
    MD171329Grierson Well No. 1, Green River Formation, Sweetwater Co., Wyoming, USAUSATrona 10000000,0
    MD15932John Hay Jr. Well No. 1, Green River Formation, Sweetwater Co., Wyoming, USAUSATrona 141345-109-48-241.568055555556,-109.80055555556
    MD4237Perkins Well No. 1, Green River Formation, Sweetwater Co., Wyoming, USAUSATrona 1411420-109-36-2541.238888888889,-109.60694444444
    MD171328Perkins Well No. 2, Green River Formation, Sweetwater Co., Wyoming, USAUSATrona 1411420-109-43-2041.238888888889,-109.72222222222
    MD4238Westvaco Mine, Green River Formation, Sweetwater Co., Wyoming, USAUSATrona 1413719-109-48-4041.621944444444,-109.81111111111
    MD179459William T. Rogers No. 1 Well, Green River Formation, Sweetwater Co., Wyoming, USAUSATrona 1411557-109-58-1841.265833333333,-109.97166666667
    22096VenezuelaVenezuelaTrona 19402-66-31-259.6672222222222,-66.523611111111
    125646Mérida, VenezuelaVenezuelaTrona 183018-71-23-488.505,-71.396666666667
    302995Lagunillas, Mérida, VenezuelaVenezuelaTrona 183018-71-23-488.505,-71.396666666667
    MD4242Laguna De Urao, Lagunillas, Mérida, VenezuelaVenezuelaTrona 183019-71-23-488.5052777777778,-71.396666666667

    This mineral directly occurs at 129 localities (139 localities according to mindat, 372 localities if parents are counted as well)
    Of the 129 localities at which this mineral occurs, 24 have an age. (96 of the 372 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. (10 total)
     This locality is directly dated, but is not bottom-level. (9 total)
     This locality is not directly dated, and is not bottom-level. (70 total)

     This bottom-level locality has an age assigned to it from some other locality. (7 total)
     This locality does not have an age assigned to it. (98 bottom-level + 178 top/mid-level = 276 total)

       






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