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: Changchengite

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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
    693ChinaChinaChangchengite 133055111351933.015277777778,111.58861111111
    21131Hebei, ChinaChinaChangchengite 1391314115591139.220555555556,115.98638888889
    22271Chengde, Hebei, ChinaChinaChangchengite 1414011754741.066666666667,117.90194444444
    187795Chengde Co., Chengde, Hebei, ChinaChinaChangchengite 1415521186341.097777777778,118.10083333333
    261634Gaositai, Chengde Co., Chengde, Hebei, ChinaChinaChangchengite 141749117552041.130277777778,117.92222222222
    MD16180Gaositai Cr-PGE Deposit (Gao District; Gaotai Village), Gaositai, Chengde Co., Chengde, Hebei, ChinaChinaChangchengite 141737117514941.126944444444,117.86361111111
    MD261621Wulie River Placers, Chengde Co., Chengde, Hebei, ChinaChinaChangchengite 141424117582641.073333333333,117.97388888889

    This mineral directly occurs at 2 localities (2 localities according to mindat, 7 localities if parents are counted as well)
    Of the 2 localities at which this mineral occurs, 0 have an age. (0 of the 7 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. (0 total)
     This locality is directly dated, but is not bottom-level. (0 total)
     This locality is not directly dated, and is not bottom-level. (0 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. (2 bottom-level + 5 top/mid-level = 7 total)

       






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