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: Polkanovite

      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
    8188CanadaCanadaPolkanovite 1532027-90-3-4053.340833333333,-90.061111111111
    14233Ontario, CanadaCanadaPolkanovite 1444832-80-13-4044.808888888889,-80.227777777778
    577Kenora District, Ontario, CanadaCanadaPolkanovite 1503016-92-43-3650.504444444444,-92.726666666667
    255679Ring Of Fire, Kenora District, Ontario, CanadaCanadaPolkanovite 1524559-86-14-2652.766388888889,-86.240555555556
    255680BMA527861 Area, Ring Of Fire, Kenora District, Ontario, CanadaCanadaPolkanovite 1524725-86-12-452.790277777778,-86.201111111111
    MD254290Black Thor Chromite Deposit, BMA527861 Area, Ring Of Fire, Kenora District, Ontario, CanadaCanadaPolkanovite 1524639-86-12-5052.7775,-86.213888888889
    P141.4127.5693ChinaChinaL245_93L245_93Michelle_365Michelle_363Polkanovite 133055111351933.015277777778,111.58861111111
    P141.4127.516458Tibet, ChinaChinaL245_93L245_93Michelle_365Michelle_363Polkanovite 13024309034130.408333333333,90.566944444444
    P141.4127.5155913Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, ChinaChinaL245_93L245_93Michelle_365Michelle_363Polkanovite 128504691412528.846111111111,91.690277777778
    P141.4127.5205723Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, ChinaChinaL245_93L245_93Michelle_365Michelle_363Polkanovite 1294429225029.078333333333,92.047222222222
    MDO141.4127.55457Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, ChinaChina5457Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, ChinaL245_93L245_93Michelle_365Michelle_363Polkanovite 129122592144229.206944444444,92.245
    14409RussiaRussiaPolkanovite 15356106839953.936111111111,68.6525
    14686Chelyabinsk Oblast, RussiaRussiaPolkanovite 154531060272454.886111111111,60.456666666667
    MD2768Miass River, Chelyabinsk Oblast, RussiaRussiaPolkanovite 10000000,0
    2651Kamchatka Krai, RussiaRussiaPolkanovite 15572716042155.124166666667,160.70027777778
    MD20429Mount Filipp, Kamchatka Krai, RussiaRussiaPolkanovite 160535317163760.898055555556,171.11027777778

    This mineral directly occurs at 4 localities (4 localities according to mindat, 16 localities if parents are counted as well)
    Of the 4 localities at which this mineral occurs, 1 has an age. (5 of the 16 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. (0 total)
     This locality is directly dated, but is not bottom-level. (1 total)
     This locality is not directly dated, and is not bottom-level. (4 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 + 10 top/mid-level = 11 total)

       






    All locality data graciously provided by mindat.org

    All age data...

    Other copyright data...