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:
Alcoota Station, Central Desert Region, Northern Territory, Australia

Oldest recorded age at locality: 810
Youngest recorded age at locality: 660

mindat Locality ID: 257703
mindat URL: http://www.mindat.org/loc-257703.html

Tectonic Settings:

Total number of sublocalities beneath "Alcoota Station, Central Desert Region, Northern Territory, Australia": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Mud Tank Vermiculite Mine
Mud Tank Zircon Field
Unnamed Kornerupine Locations

Latitude: 22°58'34"S
Longitude: 134°10'57"E
Decimal Degree (lat, lon): -22.976111111111,134.1825
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 B C Ca F Fe H K Mg Na O S Si Ti Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleBerylCalciteClayCorrensiteCorundumFeldsparGarnetKornerupineMica
NoneNot in a structural groupPyritePyroxeneQuartzSmectite-vermiculiteSpinelZircon

28 IMA Minerals at location:
Aegirine  (*)Albite  (*)Almandine  (*)Arfvedsonite  (*)Augite  (*)
Calcite  (*)Cordierite  (*)Diopside  (*)Dolomite  (*)Hastingsite  (*)
Hematite  (*)Hydrobiotite  (*)Ilmenite  (*)Katophorite  (*)Kornerupine  (*)
Magnetite  (*)Microcline  (*)Muscovite  (*)Orthoclase  (*)Phlogopite  (*)
Pyrite  (*)Quartz  (*)Riebeckite  (*)Sillimanite  (*)Taramite  (*)
Vermiculite  (*)Winchite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O6810660210548,105491022
Albite  (*)FeldsparNa(AlSi3O8)810660210548,105498803
Almandine  (*)GarnetFe2+3Al2(SiO4)31105492353
Arfvedsonite  (*)AmphiboleNaNa2(Fe2+4Fe3+)Si8O22(OH)2810660110548295
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O6810660210548,105492060
Calcite  (*)CalciteCa(CO3)810660210548,1054927770
Cordierite  (*)BerylMg2Al4Si5O181105501008
Diopside  (*)PyroxeneCaMgSi2O6810660210548,105494135
Dolomite  (*)NoneCaMg(CO3)2810660210548,105499895
Hastingsite  (*)AmphiboleNaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2810660110548209
Hematite  (*)CorundumFe2O311054914640
Hydrobiotite  (*)Corrensite ClayK(Mg,Fe2+)6(Si,Al)8O20(OH)4·nH2O11054949
Ilmenite  (*)CorundumFe2+Ti4+O31105495433
Katophorite  (*)AmphiboleNa(NaCa)(Mg4Al)(Si7Al)O22(OH)281066011054846
Kornerupine  (*)Kornerupine(Mg,Fe2+,Al,   )10(Si,Al,B)5O21(OH,F)211055068
Magnetite  (*)SpinelFe2+Fe3+2O4810660210548,1054914899
Microcline  (*)FeldsparK(AlSi3O8)1105494924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2810660210548,1054917380
Orthoclase  (*)FeldsparK(AlSi3O8)1105492349
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2810660210548,105492273
Pyrite  (*)PyriteFeS211054939462
Quartz  (*)QuartzSiO2810660310548,10549,1055061156
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)2810660110548375
Sillimanite  (*)Not in a structural groupAl2SiO51105501516
Taramite  (*)AmphiboleNa(NaCa)(Mg3Al2)(Si6Al2)O22(OH)281066011054810
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O810660210548,10549652
Winchite  (*)Amphibole   (NaCa)(Mg4Al)Si8O22(OH)281066011054851
Zircon  (*)ZirconZr(SiO4)737727210548,105495251


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000973MAGMATIC STYLE: Irregular bodies strung out over about 2 km, dykes and boudins. ASSOCIATED SILICATE ROCKS: Peralkaline syenite inclusions which are probably fenite.
Jen_0000974MAGMATIC STYLE: Irregular bodies strung out over about 2 km, dykes and boudins. ASSOCIATED SILICATE ROCKS: Peralkaline syenite inclusions which are probably fenite.
Jen_0000975MAGMATIC STYLE: Irregular bodies strung out over about 2 km, dykes and boudins. ASSOCIATED SILICATE ROCKS: Peralkaline syenite inclusions which are probably fenite.


3 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_0000973733733733        294755Mud Tank Vermiculite Mine, Alcoota Station, Central Desert Region, Northern Territory, AustraliaMud TankWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0000974737727732±5U-Pb zircon   Zircon  294755Mud Tank Vermiculite Mine, Alcoota Station, Central Desert Region, Northern Territory, AustraliaMud TankWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0000975810660735±75Rb-Sr whole rock     294755Mud Tank Vermiculite Mine, Alcoota Station, Central Desert Region, Northern Territory, AustraliaMud TankWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

All age data...

Other copyright data...