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: Simmonsite

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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
    P2055205514409RussiaRussiaDES463_663DES463_663Grew_Li_2019_0099Grew_Li_2019_0099Simmonsite 15356106839953.936111111111,68.6525
    P205520552640Zabaykalsky Krai, RussiaRussiaDES463_663DES463_663Grew_Li_2019_0099Grew_Li_2019_0099Simmonsite 1522634108242252.442777777778,108.40611111111
    P2055205518521Chitinskaya Oblast, Zabaykalsky Krai, RussiaRussiaDES463_663DES463_663Grew_Li_2019_0099Grew_Li_2019_0099Simmonsite 1522635116182352.443055555556,116.30638888889
    MDB2055205518604Katugin Ta-­Nb Deposit (Katuginskoye Deposit), Chitinskaya Oblast, Zabaykalsky Krai, RussiaRussia18604Katugin Ta-­Nb Deposit (Katuginskoye Deposit), Chitinskaya Oblast, Zabaykalsky Krai, RussiaDES463_663DES463_663Grew_Li_2019_0099Grew_Li_2019_0099Simmonsite 1561648119104856.28,119.18
    3366USAUSASimmonsite 1374912-83-42-4937.82,-83.713611111111
    14194Nevada, USAUSASimmonsite 1391258-117-33-1539.216111111111,-117.55416666667
    14361Mineral Co., Nevada, USAUSASimmonsite 1383248-118-20-1238.546666666667,-118.33666666667
    14359Fitting District, Mineral Co., Nevada, USAUSASimmonsite 1383627-118-22-5438.6075,-118.38166666667
    45463Gillis Range, Fitting District, Mineral Co., Nevada, USAUSASimmonsite 1383819-118-28-5438.638611111111,-118.48166666667
    MD5475Zapot Pegmatite, Gillis Range, Fitting District, Mineral Co., Nevada, USAUSASimmonsite 1383820-118-28-5438.638888888889,-118.48166666667

    This mineral directly occurs at 2 localities (2 localities according to mindat, 10 localities if parents are counted as well)
    Of the 2 localities at which this mineral occurs, 1 has an age. (4 of the 10 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.

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    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. (1 total)
     This locality is directly dated, but is not bottom-level. (0 total)
     This locality is not directly dated, and is not bottom-level. (3 total)

     This bottom-level locality has an age assigned to it from some other locality. (0 total)
     This locality does not have an age assigned to it. (1 bottom-level + 5 top/mid-level = 6 total)

       






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