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:
Dales Gorge, Wittenoom, Ashburton Shire, Western Australia, Australia

Oldest recorded age at locality: 2600
Youngest recorded age at locality: 1790

mindat Locality ID: 12562
mindat URL: http://www.mindat.org/loc-12562.html

Tectonic Settings:

Total number of sublocalities beneath "Dales Gorge, Wittenoom, Ashburton Shire, Western Australia, Australia": 0
Total number of bottom-level sublocalities: 0

Latitude: 22°28'36"S
Longitude: 118°33'40"E
Decimal Degree (lat, lon): -22.476666666667,118.56111111111

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	Clay	Corundum	Diaspore	None	Quartz	Spinel	Stilpnomelane

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 Fe H K Mg Na O Si

Elements from minerals reported directly at this locality: Al C Ca Fe H K Mg Na O Si

Structural Groups for minerals in this locality:
Amphibole Clay Corundum Diaspore None Quartz Spinel Stilpnomelane

7 IMA Minerals at location:

Ankerite ()*	Goethite ()*	Hematite ()*	Magnetite ()*	Quartz ()*
Riebeckite ()*	Stilpnomelane ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	2600	1790	3092
Goethite ()*	Diaspore	FeO(OH)	2600	1790	7437
Hematite ()*	Corundum	Fe₂O₃	2600	1790	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2600	1790	14899
Quartz ()*	Quartz	SiO₂	2600	1790	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	2600	1790	375
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	2600	1790	456

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Giersdorf_00000218	Model derived primarily from studies conducted in the Mount Tom Price mine but with supplemental information acquired from the Channar and Mount Whaleback
Giersdorf_00000221	Model derived primarily from studies conducted in the Mount Tom Price mine but with supplemental information acquired from the Channar and Mount Whaleback
Giersdorf_00000223	Model derived primarily from studies conducted in the Mount Tom Price mine but with supplemental information acquired from the Channar and Mount Whaleback
Giersdorf_00000229	Model derived primarily from studies conducted in the Mount Tom Price mine but with supplemental information acquired from the Channar and Mount Whaleback

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Age from other Locality	Minerals explicitely stated as having this age	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Giersdorf_00000218	2600	2600	2600			Yes		17597	Mount Tom Price Mine, Tom Price, Ashburton Shire, Western Australia, Australia	Mount Tom Price Mine	Taylor et. al (2001)	0361-0128/01/3161/837-37	EG96_837	Lowest formation in the Hamersley Group
Giersdorf_00000221	2480	2450	2480-2450			Yes		17597	Mount Tom Price Mine, Tom Price, Ashburton Shire, Western Australia, Australia	Mount Tom Price Mine	Taylor et. al (2001)	0361-0128/01/3161/837-37	EG96_837	BIF overlying the Mt. Sylvia and Mt. McRae Shale layers, part of the Hamersley group
Giersdorf_00000223	2474	2466	2470±4	U-Pb	Volcanogenic zircon crystals dated provide a good estimate of the gate of the Dales Gorge member and thereby the Brockman BIF	Yes	Zircon	17597	Mount Tom Price Mine, Tom Price, Ashburton Shire, Western Australia, Australia	Mount Tom Price Mine	Taylor et. al (2001)	0361-0128/01/3161/837-37	EG96_837	Member layer in the Brockman BIF, volcanogenic zircons provide an age for this member
Giersdorf_00000229	1790	1790	1790		Postdated age of granites folded into the Ashburton formation	Yes		17597	Mount Tom Price Mine, Tom Price, Ashburton Shire, Western Australia, Australia	Mount Tom Price Mine	Taylor et. al (2001)	0361-0128/01/3161/837-37	EG96_837	Postdated age of the Ashburton formation

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...