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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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: Jahnsite-(CaMnMg)

      Jump to bottom of table
    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
    14398ArgentinaArgentinaJahnsite-(CaMnMg) 1-33-41-5-65-32-49-33.684722222222,-65.546944444444
    18492Córdoba Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-31-29-37-64-41-13-31.493611111111,-64.686944444444
    239650Pocho Department, Córdoba Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-31-23-41-65-13-3-31.394722222222,-65.2175
    MD298500Tablada I Pegmatite, Pocho Department, Córdoba Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-31-26-27-65-18-12-31.440833333333,-65.303333333333
    16607San Luis Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-32-46-56-65-55-1-32.782222222222,-65.916944444444
    194301San Martín Department, San Luis Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-32-33-34-65-37-21-32.559444444444,-65.6225
    279895Las Aguadas, San Martín Department, San Luis Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-32-34-52-65-24-51-32.581111111111,-65.414166666667
    MD252300Cema Pegmatite, Las Aguadas, San Martín Department, San Luis Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-32-34-52-65-24-51-32.581111111111,-65.414166666667
    126735Tucumán Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-26-54-54-65-28-19-26.915,-65.471944444444
    239489Tafí Del Valle Department, Tucumán Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-26-32-3-65-56-47-26.534166666667,-65.946388888889
    279917Estancia Anchilla, Tafí Del Valle Department, Tucumán Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-26-18-42-660-52-26.311666666667,-66.014444444444
    MD246257San Fenancio Mine, Estancia Anchilla, Tafí Del Valle Department, Tucumán Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-26-18-42-660-52-26.311666666667,-66.014444444444
    MD252343Estancia Anchilla Pegmatite District, Tafí Del Valle Department, Tucumán Province, ArgentinaArgentinaJahnsite-(CaMnMg) 1-26-18-40-660-53-26.311111111111,-66.014722222222
    P707014279AustriaAustriaSMPM80_169SMPM80_169Be-00025Be-00025Jahnsite-(CaMnMg) 14732491441847.546944444444,14.071666666667
    P7070245Carinthia, AustriaAustriaSMPM80_169SMPM80_169Be-00025Be-00025Jahnsite-(CaMnMg) 14647501431446.797222222222,14.053888888889
    P707026889Koralpe, Carinthia, AustriaAustriaSMPM80_169SMPM80_169Be-00025Be-00025Jahnsite-(CaMnMg) 14647101456246.786111111111,14.933888888889
    P707025843Moschkogel - Weinebene Area, Koralpe, Carinthia, AustriaAustria25843Moschkogel - Weinebene Area, Koralpe, Carinthia, AustriaSMPM80_169SMPM80_169Be-00025Be-00025Jahnsite-(CaMnMg) 1465022150646.839444444444,15.001666666667
    P707047680Brandrücken, Moschkogel - Weinebene Area, Koralpe, Carinthia, AustriaAustriaSMPM80_169SMPM80_169Be-00025Be-00025Jahnsite-(CaMnMg) 146502114592946.839166666667,14.991388888889
    MDO70705609Spodumene Prospect (Brandrücken Exploration Adit; Weinebene Deposit), Brandrücken, Moschkogel - Weinebene Area, Koralpe, Carinthia, AustriaAustria5609Spodumene Prospect (Brandrücken Exploration Adit; Weinebene Deposit), Brandrücken, Moschkogel - Weinebene Area, Koralpe, Carinthia, AustriaSMPM80_169SMPM80_169Be-00025Be-00025Jahnsite-(CaMnMg) 146502114593046.839166666667,14.991666666667
    P699490366BrazilBrazilMD35_638AM99_607Scott-MD35_638-0001Alexandra-0368Jahnsite-(CaMnMg) 1-12-14-5-48-11-22-12.234722222222,-48.189444444444
    P699490387Minas Gerais, BrazilBrazilMD35_638AM99_607Scott-MD35_638-0001Alexandra-0368Jahnsite-(CaMnMg) 1-18-52-21-43-32-52-18.8725,-43.547777777778
    P630490280018Conselheiro Pena, Minas Gerais, BrazilBrazil280018Conselheiro Pena, Minas Gerais, BrazilAM99_607AM99_607Alexandra-0368Alexandra-0368Jahnsite-(CaMnMg) 1-19-6-18-41-27-36-19.105,-41.46
    MDRO630490211260Eduardo Claim, Conselheiro Pena, Minas Gerais, BrazilBrazil280018Conselheiro Pena, Minas Gerais, BrazilAM99_607AM99_607Alexandra-0368Alexandra-0368Jahnsite-(CaMnMg) 1-19-4-54-41-30-35-19.081666666667,-41.509722222222
    P69961916901Itinga, Minas Gerais, BrazilBrazilMD35_638MD35_638Scott-MD35_638-0001Scott-MD35_638-0001Jahnsite-(CaMnMg) 1-16-43-11-41-51-44-16.719722222222,-41.862222222222
    MDO69961923061Jenipapo District, Itinga, Minas Gerais, BrazilBrazil245471Murundu Mine, Jenipapo District, Itinga, Minas Gerais, BrazilMD35_638MD35_638Scott-MD35_638-0001Scott-MD35_638-0001Jahnsite-(CaMnMg) 1-16-39-32-41-52-38-16.658888888889,-41.877222222222
    7571MoroccoMoroccoJahnsite-(CaMnMg) 1303457-7-42-4330.5825,-7.7119444444444
    121042Marrakech-Safi Region, MoroccoMoroccoJahnsite-(CaMnMg) 1314021-8-16-4731.6725,-8.2797222222222
    290673Rehamna Province, Marrakech-Safi Region, MoroccoMoroccoJahnsite-(CaMnMg) 10000000,0
    290672Jebilet Mtn (Djebilet Mtn), Rehamna Province, Marrakech-Safi Region, MoroccoMoroccoJahnsite-(CaMnMg) 1314947-80031.829722222222,-8
    MD7270Sidi Bou Othmane, Jebilet Mtn (Djebilet Mtn), Rehamna Province, Marrakech-Safi Region, MoroccoMoroccoJahnsite-(CaMnMg) 1315416-7-56-3331.904444444444,-7.9425
    P170233.73366USAUSAAM93_1215NAVDATBe-00023NAVDAT-117483Jahnsite-(CaMnMg) 1374912-83-42-4937.82,-83.713611111111
    P173.833.714194Nevada, USAUSANAVDATNAVDATNAVDAT-117268NAVDAT-117483Jahnsite-(CaMnMg) 1391258-117-33-1539.216111111111,-117.55416666667
    P173.833.737527Eureka Co., Nevada, USAUSANAVDATNAVDATNAVDAT-117268NAVDAT-117483Jahnsite-(CaMnMg) 140251-116-16-3740.0475,-116.27694444444
    P173.833.731632Lynn District, Eureka Co., Nevada, USAUSANAVDATNAVDATNAVDAT-117268NAVDAT-117483Jahnsite-(CaMnMg) 1405559-116-20-840.933055555556,-116.33555555556
    MDO173.833.731392Goldstrike Mines, Lynn District, Eureka Co., Nevada, USAUSA62944Betze-Post Pit, Goldstrike Mines, Lynn District, Eureka Co., Nevada, USANAVDATNAVDATNAVDAT-117268NAVDAT-117483Jahnsite-(CaMnMg) 1405917-116-22-4440.988055555556,-116.37888888889
    P33931914502New Hampshire, USAUSAGSAB81_3359GSAB81_3359Alexandra-0411Alexandra-0411Jahnsite-(CaMnMg) 1432748-71-34-1643.463333333333,-71.571111111111
    P33931914501Grafton Co., New Hampshire, USAUSAGSAB81_3359GSAB81_3359Alexandra-0411Alexandra-0411Jahnsite-(CaMnMg) 144022-71-51-3044.006111111111,-71.858333333333
    P33931914500Groton, Grafton Co., New Hampshire, USAUSAGSAB81_3359GSAB81_3359Alexandra-0411Alexandra-0411Jahnsite-(CaMnMg) 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-(CaMnMg) 1434534-71-49-3843.759444444444,-71.827222222222
    P3513454033North Carolina, USAUSACM52_183CM50_1589Bradley_2012_149Be-00021Jahnsite-(CaMnMg) 1353720-79-53-1935.622222222222,-79.888611111111
    P35134524032Cleveland Co., North Carolina, USAUSACM52_183CM50_1589Bradley_2012_149Be-00021Jahnsite-(CaMnMg) 1352110-81-33-3935.352777777778,-81.560833333333
    P35134514555Kings Mountain District, Cleveland Co., North Carolina, USAUSACM52_183CM50_1589Bradley_2012_149Be-00021Jahnsite-(CaMnMg) 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-(CaMnMg) 1351239-81-21-2035.210833333333,-81.355555555556
    P170216404104South Dakota, USAUSAAM93_1215GCA34_713Be-00023Alexandra-0270Jahnsite-(CaMnMg) 143582-100-5-3243.967222222222,-100.09222222222
    P1702170223305Custer Co., South Dakota, USAUSAAM93_1215AM93_1215Be-00023Be-00023Jahnsite-(CaMnMg) 1434245-103-30-2543.7125,-103.50694444444
    P170217024111Custer District, Custer Co., South Dakota, USAUSAAM93_1215AM93_1215Be-00023Be-00023Jahnsite-(CaMnMg) 143449-103-35-3043.735833333333,-103.59166666667
    P1702170226805Fourmile, Custer District, Custer Co., South Dakota, USAUSAAM93_1215AM93_1215Be-00023Be-00023Jahnsite-(CaMnMg) 1434333-103-41-443.725833333333,-103.68444444444
    MDO170217024122Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAUSA4122Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USAAM93_1215AM93_1215Be-00023Be-00023Jahnsite-(CaMnMg) 1434256-103-40-943.715555555556,-103.66916666667
    P1700164017377Pennington Co., South Dakota, USAUSAAM75_631GCA34_713Alexandra-0372Alexandra-0270Jahnsite-(CaMnMg) 1435636-103-19-3343.943333333333,-103.32583333333
    P170016404113Keystone District, Pennington Co., South Dakota, USAUSAAM75_631GCA34_713Alexandra-0372Alexandra-0270Jahnsite-(CaMnMg) 1435255-103-24-843.881944444444,-103.40222222222
    RP1700170047562Glendale, Keystone District, Pennington Co., South Dakota, USAUSA122418Black Elk Peak (Harney Peak), Pennington Co., South Dakota, USAAM75_631AM75_631Alexandra-0372Alexandra-0372Jahnsite-(CaMnMg) 1434812-103-27-143.803333333333,-103.45027777778
    MDRO170017004105Big Chief Mine (Johnson Pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USAUSA122418Black Elk Peak (Harney Peak), Pennington Co., South Dakota, USAAM75_631AM75_631Alexandra-0372Alexandra-0372Jahnsite-(CaMnMg) 1435154-103-22-5543.865,-103.38194444444
    P1640164023065Keystone, Keystone District, Pennington Co., South Dakota, USAUSAGCA34_713GCA34_713Alexandra-0270Alexandra-0270Jahnsite-(CaMnMg) 143537-103-25-1443.885277777778,-103.42055555556
    MDO164016404106Etta Mine, Keystone, Keystone District, Pennington Co., South Dakota, USAUSA4106Etta Mine, Keystone, Keystone District, Pennington Co., South Dakota, USAGCA34_713GCA34_713Alexandra-0270Alexandra-0270Jahnsite-(CaMnMg) 1435250-103-25-843.880555555556,-103.41888888889

    This mineral directly occurs at 14 localities (15 localities according to mindat, 54 localities if parents are counted as well)
    Of the 14 localities at which this mineral occurs, 9 have an age. (36 of the 54 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. (5 total)
     This locality is directly dated, but is not bottom-level. (2 total)
     This locality is not directly dated, and is not bottom-level. (27 total)

     This bottom-level locality has an age assigned to it from some other locality. (2 total)
     This locality does not have an age assigned to it. (4 bottom-level + 14 top/mid-level = 18 total)

       






    All locality data graciously provided by mindat.org

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