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:    
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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: Gregoryite

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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
    P14566231939AngolaAngolaUSGSOFR02_189USGSOFR02_189ree-00002ree-00002Gregoryite 1-10-46-49154339-10.780277777778,15.7275
    P14566125552Huambo Province, AngolaAngolaUSGSOFR02_189USGSOFR02_189ree-00002ree-00002Gregoryite 1-12-14-29153549-12.241388888889,15.596944444444
    P14566286493Bailundo City Council, Huambo Province, AngolaAngolaUSGSOFR02_189USGSOFR02_189ree-00002ree-00002Gregoryite 1-12-90155659-12.15,15.949722222222
    MDO14566158061Bailundo, Bailundo City Council, Huambo Province, AngolaAngola158061Bailundo, Bailundo City Council, Huambo Province, AngolaUSGSOFR02_189USGSOFR02_189ree-00002ree-00002Gregoryite 1-12-9015570-12.15,15.95
    P19089.4914468South AfricaSouth AfricaNC6_7837NC6_7837Michelle_383Michelle_382Gregoryite 1-28-14-36264719-28.243333333333,26.788611111111
    P19089.495822Northern Cape, South AfricaSouth AfricaNC6_7837NC6_7837Michelle_383Michelle_382Gregoryite 1-28-59-5823715-28.999444444444,23.120833333333
    P19089.49255595Francis Baard District, Northern Cape, South AfricaSouth AfricaNC6_7837NC6_7837Michelle_383Michelle_382Gregoryite 1-28-28-19243453-28.471944444444,24.581388888889
    P19089.4956310Kimberley, Francis Baard District, Northern Cape, South AfricaSouth AfricaNC6_7837NC6_7837Michelle_383Michelle_382Gregoryite 1-28-41-4244625-28.684444444444,24.773611111111
    P19089.49297458KEM JV Mine (Kimberley Ekapa Mining Joint Venture Mine; Kimberley Underground Mine), Kimberley, Francis Baard District, Northern Cape, South AfricaSouth AfricaNC6_7837NC6_7837Michelle_383Michelle_382Gregoryite 1-28-45-55244823-28.765277777778,24.806388888889
    MDO19089.498982Bultfontein Mine, KEM JV Mine (Kimberley Ekapa Mining Joint Venture Mine; Kimberley Underground Mine), Kimberley, Francis Baard District, Northern Cape, South AfricaSouth Africa8982Bultfontein Mine, KEM JV Mine (Kimberley Ekapa Mining Joint Venture Mine; Kimberley Underground Mine), Kimberley, Francis Baard District, Northern Cape, South AfricaNC6_7837NC6_7837Michelle_383Michelle_382Gregoryite 1-28-46-5244731-28.768055555556,24.791944444444
    P0.01504384TanzaniaTanzaniaJVGR37_77GSCOF5796Michelle_0066Jen_0000559Gregoryite 1-5-26-47344748-5.4463888888889,34.796666666667
    P0.01503246Arusha Region, TanzaniaTanzaniaJVGR37_77GSCOF5796Michelle_0066Jen_0000559Gregoryite 1-3-15-30354727-3.2583333333333,35.790833333333
    MDO0.015014962Mt Oldoinyo Lengai (Ol Doinyo Lengai), Arusha Region, TanzaniaTanzania14962Mt Oldoinyo Lengai (Ol Doinyo Lengai), Arusha Region, TanzaniaJVGR37_77GSCOF5796Michelle_0066Jen_0000559Gregoryite 1-2-450355559-2.75,35.933055555556

    This mineral directly occurs at 3 localities (3 localities according to mindat, 13 localities if parents are counted as well)
    Of the 3 localities at which this mineral occurs, 3 have an age. (13 of the 13 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. (3 total)
     This locality is directly dated, but is not bottom-level. (0 total)
     This locality is not directly dated, and is not bottom-level. (10 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. (0 bottom-level + 0 top/mid-level = 0 total)

       






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