Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Isortoq Fjord (Søndre Isortoq), Qeqqata, Greenland, Denmark

Oldest recorded age at locality: 3009
Youngest recorded age at locality: 581

mindat Locality ID: 207482
mindat URL: http://www.mindat.org/loc-207482.html

Tectonic Settings:

Total number of sublocalities beneath "Isortoq Fjord (Søndre Isortoq), Qeqqata, Greenland, Denmark": 6
Total number of bottom-level sublocalities: 4

Number of Child Localities: 2
Child Localities:
Sarfartoq Region
Tupertalik Mt.

Latitude: 65°57'47"N
Longitude: 51°36'2"W
Decimal Degree (lat, lon): 65.963055555556,-51.600555555556
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.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al Ba C Ca Cu F Fe H K Mg Na O Pb S Si Sr Ti Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleBaryteCalciteChalcopyriteClayCorundumDiamondDiasporeFeldsparFluorite
GypsumHexahydriteMarcasiteMicaNickelineNoneParalstonitePerovskitePyritePyroxene
QuartzRocksaltRutileSphaleriteSpinelZircon

34 IMA Minerals at location:
Aegirine  (*)Albite  (*)Ankerite  (*)Augite  (*)Baryte  (*)
Calcite  (*)Chalcopyrite  (*)Diamond  (*)Diopside  (*)Dolomite  (*)
Fluorite  (*)Galena  (*)Goethite  (*)Graphite  (*)Gypsum  (*)
Hematite  (*)Hexahydrite  (*)Ilmenite  (*)Magnesio-arfvedsonite  (*)Magnetite  (*)
Marcasite  (*)Monohydrocalcite  (*)Olekminskite  (*)Perovskite  (*)Phlogopite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Richterite  (*)Rutile  (*)
Siderite  (*)Sphalerite  (*)Spinel  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O66045981484771022
Albite  (*)FeldsparNa(AlSi3O8)6045981484778803
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)26045981484773092
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O66045981484772060
Baryte  (*)BaryteBa(SO4)60459814847711547
Calcite  (*)CalciteCa(CO3)3009581448476,48477,48478,4847927770
Chalcopyrite  (*)ChalcopyriteCuFeS260459814847727198
Diamond  (*)DiamondC148475697
Diopside  (*)PyroxeneCaMgSi2O63009598248477,484794135
Dolomite  (*)NoneCaMg(CO3)23009601248477,484799895
Fluorite  (*)FluoriteCaF26045981484779617
Galena  (*)RocksaltPbS60459814847724243
Goethite  (*)DiasporeFeO(OH)6045981484777437
Graphite  (*)NoneC6045981484772812
Gypsum  (*)GypsumCa(SO4)·2H2O6045981484776890
Hematite  (*)CorundumFe2O360459814847714640
Hexahydrite  (*)HexahydriteMg(SO4)·6H2O604598148477251
Ilmenite  (*)CorundumFe2+Ti4+O3604598348475,48476,484775433
Magnesio-arfvedsonite  (*)AmphiboleNaNa2(Mg4Fe3+)Si8O22(OH)260459814847779
Magnetite  (*)SpinelFe2+Fe3+2O43009598248477,4847914899
Marcasite  (*)MarcasiteFeS26045981484775674
Monohydrocalcite  (*)NoneCa(CO3)·H2O60459814847755
Olekminskite  (*)ParalstoniteSr2(CO3)21484758
Perovskite  (*)PerovskiteCaTiO3148475495
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)230092540348475,48476,484792273
Pyrite  (*)PyriteFeS260459814847739462
Pyrrhotite  (*)NickelineFe7S86045981484779056
Quartz  (*)QuartzSiO260459814847761156
Richterite  (*)AmphiboleNa(NaCa)Mg5Si8O22(OH)2604598148477148
Rutile  (*)RutileTiO26045981484775614
Siderite  (*)CalciteFe(CO3)6045981484776417
Sphalerite  (*)SphaleriteZnS60459814847721482
Spinel  (*)SpinelMgAl2O430092540248475,484791934
Zircon  (*)ZirconZr(SiO4)3009598248477,484795251


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000503carbonatite complex
Jen_0000504carbonatite complex
Jen_0000939MAGMATIC STYLE: Central sheet intrusions and dykes. ASSOCIATED SILICATE ROCKS: Lamprophyre and fenite.
Jen_0001104MAGMATIC STYLE: 10 m thick sheet and associated veins. ASSOCIATED SILICATE ROCKS: Fenite, including pyroxene-amphibole-phlogopite rock.
Jen_0001105MAGMATIC STYLE: 10 m thick sheet and associated veins. ASSOCIATED SILICATE ROCKS: Fenite, including pyroxene-amphibole-phlogopite rock.
Jen_0001106MAGMATIC STYLE: 10 m thick sheet and associated veins. ASSOCIATED SILICATE ROCKS: Fenite, including pyroxene-amphibole-phlogopite rock.
Jen_0001107MAGMATIC STYLE: 10 m thick sheet and associated veins. ASSOCIATED SILICATE ROCKS: Fenite, including pyroxene-amphibole-phlogopite rock.


9 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Jen_0000503617581599±18K-Ar       123391Sarfartoq Carbonatite Complex, Sarfartoq Region, Isortoq Fjord (Søndre Isortoq), Qeqqata, Greenland, DenmarkSarfartoqErnst and Bell (2010)10.1007/s00710-009-0074-1MP98_55 
Jen_0000504621585603±18K-Ar       123391Sarfartoq Carbonatite Complex, Sarfartoq Region, Isortoq Fjord (Søndre Isortoq), Qeqqata, Greenland, DenmarkSarfartoqErnst and Bell (2010)10.1007/s00710-009-0074-1MP98_55 
Jen_0000939601601601K-Ar highdolomite   Dolomite  123391Sarfartoq Carbonatite Complex, Sarfartoq Region, Isortoq Fjord (Søndre Isortoq), Qeqqata, Greenland, DenmarkSarfartoqWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Michelle_785121712011209±8Rb–SrBest age of emplacement of ultramafic lamprophyrephlogopite464620  Phlogopite  123391Sarfartoq Carbonatite Complex, Sarfartoq Region, Isortoq Fjord (Søndre Isortoq), Qeqqata, Greenland, DenmarkSarfartoq CarbonatiteSecher et al. (2009)10.1016/j.lithos.2009.04.035L112_400 
ree-00355604598598-604 Ma (various)various high      123391Sarfartoq Carbonatite Complex, Sarfartoq Region, Isortoq Fjord (Søndre Isortoq), Qeqqata, Greenland, DenmarkSarfartoqOrris and Grauch (2002) USGSOFR02_189 
Jen_0001104265526552655K-Ar       30293Tupertalik Mt., Isortoq Fjord (Søndre Isortoq), Qeqqata, Greenland, DenmarkTupertalikWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0001105270025402620±80K-Ar       30293Tupertalik Mt., Isortoq Fjord (Søndre Isortoq), Qeqqata, Greenland, DenmarkTupertalikWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0001106277126112691±80U-Pb baddeleyite   Baddeleyite  30293Tupertalik Mt., Isortoq Fjord (Søndre Isortoq), Qeqqata, Greenland, DenmarkTupertalikWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0001107300930053007±2U-Pb baddeleyite   Baddeleyite  30293Tupertalik Mt., Isortoq Fjord (Søndre Isortoq), Qeqqata, Greenland, DenmarkTupertalikWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796This is the oldest carbonatite so far dated

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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