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:
Portland, Glenelg Shire, Victoria, Australia


mindat Locality ID: 14273
mindat URL: http://www.mindat.org/loc-14273.html

Tectonic Settings:

Total number of sublocalities beneath "Portland, Glenelg Shire, Victoria, Australia": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Bats Ridge Caves
Cape Sir William Grant
Grant Bay

Latitude: 38°22'40"S
Longitude: 141°35'12"E
Decimal Degree (lat, lon): -38.377777777778,141.58666666667

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 C Ca Cu Fe H K Mg Na O Si Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AnalcimeAragoniteCalciteChabaziteClayCopperCorundumFeldsparNatroliteNone
PyroxeneQuartzRocksaltSmectite-vermiculiteThomsonite

13 IMA Minerals at location:
Albite  (*)Analcime  (*)Aragonite  (*)Augite  (*)Calcite  (*)
Chabazite-Na  (*)Copper  (*)Ilmenite  (*)Lime  (*)Montmorillonite  (*)
Natrolite  (*)Quartz  (*)Thomsonite-Ca  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)1141308803
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O1141301627
Aragonite  (*)AragoniteCa(CO3)1141303250
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O61141302060
Calcite  (*)CalciteCa(CO3)314128,14130,1413127770
Chabazite-Na  (*)Chabazite(Na3K)[Al4Si8O24]·11H2O11413066
Copper  (*)CopperCu1141303846
Ilmenite  (*)CorundumFe2+Ti4+O31141305433
Lime  (*)RocksaltCaO11412811
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O1141301508
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O1141301236
Quartz  (*)QuartzSiO211412861156
Thomsonite-Ca  (*)ThomsoniteNaCa2(Al5Si5)O20·6H2O114130452



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...