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:
John Brown Gold Mines, Radium Hill Area, Olary Province, South Australia, Australia

Oldest recorded age at locality: 25
Youngest recorded age at locality: 3.1

mindat Locality ID: 248858
mindat URL: http://www.mindat.org/loc-248858.html

Tectonic Settings:

Total number of sublocalities beneath "John Brown Gold Mines, Radium Hill Area, Olary Province, South Australia, Australia": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Footes Mine
Morning Star Mine

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0
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: Ag Al Au C Cl Cu Fe H K Na O S Si 

Elements from minerals reported directly at this locality: Ag Al Au C Cl Cu Fe H K Na O S Si 

Structural Groups for minerals in this locality: 
AllophaneChalcopyriteClayCopperCorundumCovelliteDiasporeFeldsparMalachiteMica
NonePyriteQuartzRocksaltSulphur

14 IMA Minerals at location:
Albite  (*)Chalcocite  (*)Chalcopyrite  (*)Chlorargyrite  (*)Chrysocolla  (*)
Covellite  (*)Goethite  (*)Gold  (*)Hematite  (*)Malachite  (*)
Muscovite  (*)Pyrite  (*)Quartz  (*)Sulphur  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)253.108803
Chalcocite  (*)NoneCu2S253.105707
Chalcopyrite  (*)ChalcopyriteCuFeS2253.1027198
Chlorargyrite  (*)RocksaltAgCl253.101382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O253.103531
Covellite  (*)CovelliteCuS253.104165
Goethite  (*)DiasporeFeO(OH)253.107437
Gold  (*)CopperAu253.1030554
Hematite  (*)CorundumFe2O3253.1014640
Malachite  (*)MalachiteCu2(CO3)(OH)2253.1012537
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2253.1017380
Pyrite  (*)PyriteFeS2253.1039462
Quartz  (*)QuartzSiO2253.1061156
Sulphur  (*)SulphurS253.102045


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Giersdorf_00000993Uranium mineralization in the Lake Frome area are hosted by paleovalleys and paleochannels which typically run north-south in the Eyre Formation.
Giersdorf_00000993bUranium mineralization in the Lake Frome area are hosted by paleovalleys and paleochannels which typically run north-south in the Eyre Formation.


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
Giersdorf_00000993252525-4     Yes U159060Northeast, South Australia, AustraliaLake Frome AreaJaireth et al. (2010) AN97_21 
Giersdorf_00000993b646-4     Yes U159060Northeast, South Australia, AustraliaLake Frome AreaJaireth et al. (2010) AN97_21 
Giersdorf_000009945.33.15.3-3.1U-Pb coffinite, carnotite  Yes U159060Northeast, South Australia, AustraliaLake Frome AreaJaireth et al. (2010) AN97_21 

SampleSource LocalityReference URL

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