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:
Ilmars Prospect, Alice Downs Station, Halls Creek Shire, Western Australia, Australia

Oldest recorded age at locality: 1850
Youngest recorded age at locality: 1850

mindat Locality ID: 289691
mindat URL: http://www.mindat.org/loc-289691.html

Tectonic Settings:

Total number of sublocalities beneath "Ilmars Prospect, Alice Downs Station, Halls Creek Shire, Western Australia, Australia": 0
Total number of bottom-level sublocalities: 0

Latitude: 18°3'58"S
Longitude: 127°51'46"E
Decimal Degree (lat, lon): -18.066111111111,127.86277777778

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Amphibole	Aragonite	Arsenopyrite	Calcite	Chalcopyrite	Clay	Copper	Corundum	Covellite	Malachite
Mica	Nickeline	None	Not in a structural group	Pyrite	Quartz	Rocksalt	Sphalerite	Spinel	Tetrahedrite

Arsenopyrite ()*	Azurite ()*	Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*
Copper ()*	Covellite ()*	Cuprite ()*	Dolomite ()*	Galena ()*
Gold ()*	Graphite ()*	Hydrozincite ()*	Ilmenite ()*	Magnetite ()*
Malachite ()*	Muscovite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*
Smithsonite ()*	Sphalerite ()*	Tennantite-(Fe) ()*	Tetrahedrite-(Zn) ()*	Tremolite ()*

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 As Au C Ca Cu Fe H K Mg O Pb S Sb Si Ti Zn

Elements from minerals reported directly at this locality: Al As Au C Ca Cu Fe H K Mg O Pb S Sb Si Ti Zn

Structural Groups for minerals in this locality:
Amphibole Aragonite Arsenopyrite Calcite Chalcopyrite Clay Copper Corundum Covellite Malachite
Mica Nickeline None Not in a structural group Pyrite Quartz Rocksalt Sphalerite Spinel Tetrahedrite

25 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	1850	1850	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1850	1850	5509
Cerussite ()*	Aragonite	Pb(CO₃)	1850	1850	4979
Chalcocite ()*	None	Cu₂S	1850	1850	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1850	1850	27198
Copper ()*	Copper	Cu	1850	1850	3846
Covellite ()*	Covellite	CuS	1850	1850	4165
Cuprite ()*	Not in a structural group	Cu₂O	1850	1850	2970
Dolomite ()*	None	CaMg(CO₃)₂	1850	1850	9895
Galena ()*	Rocksalt	PbS	1850	1850	24243
Gold ()*	Copper	Au	1850	1850	30554
Graphite ()*	None	C	1850	1850	2812
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	1850	1850	1066
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1850	1850	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1850	1850	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1850	1850	12537
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1850	1850	17380
Pyrite ()*	Pyrite	FeS₂	1850	1850	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1850	1850	9056
Quartz ()*	Quartz	SiO₂	1850	1850	61156
Smithsonite ()*	Calcite	Zn(CO₃)	1850	1850	2473
Sphalerite ()*	Sphalerite	ZnS	1850	1850	21482
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	1850	1850	1803
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	1850	1850	5317
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1850	1850	2562

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Cr-00006	1850	1850					whole rock			Yes		Chromite	Cr	146977	Halls Creek Shire, Western Australia, Australia	EST PILBARA BLOCKS AND HALLS CREEK MOBILE ZONE, WESTERN AUSTRALIA	Sun et al. (1991)	10.1016/0301-9268(91)90045-C	PR50_1

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...