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:
Mount Brockman, Ashburton Shire, Western Australia, Australia

Oldest recorded age at locality: 2770
Youngest recorded age at locality: 2450

mindat Locality ID: 246355
mindat URL: http://www.mindat.org/loc-246355.html

Tectonic Settings:

Total number of sublocalities beneath "Mount Brockman, Ashburton Shire, Western Australia, Australia": 7
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Brockman 2 Mine
Brockman 4 Mine
Brockman Syncline South Ridge
Brockman Tiger Eye Mine (Marra Mamba)
Jasper Claim
Nammuldi Mine (Nammuldi No1 Shaft)
Silvergrass Mine

Latitude: 22°24'51"S
Longitude: 117°18'27"E
Decimal Degree (lat, lon): -22.414166666667,117.3075

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.

Corundum	Diaspore	None	Quartz

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: C Ca Fe H Mg O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Corundum Diaspore None Quartz

4 IMA Minerals at location:

Dolomite ()*	Goethite ()*	Hematite ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Dolomite ()*	None	CaMg(CO₃)₂	2770	2450	1	14802	9895
Goethite ()*	Diaspore	FeO(OH)	2770	2450	3	14803,14804,14806	7437
Hematite ()*	Corundum	Fe₂O₃	2602	2592	2	14803,14804	14640
Quartz ()*	Quartz	SiO₂	2602	2592	2	14804,14805	61156

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Giersdorf_00000215	Model derived primarily from studies conducted in the Mount Tom Price mine but with supplemental information acquired from the Channar and Mount Whaleback
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_00000219	Model derived primarily from studies conducted in the Mount Tom Price mine but with supplemental information acquired from the Channar and Mount Whaleback
Giersdorf_00000220	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_00000222	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
Michelle_297	Mt Newman Member of the NS3 Shale band

8 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Sample Num	Age from other Locality	Dated Mineral	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
Michelle_297	2602	2592	2597±5	U-Pb	Age of "syndepositional volcanism"	zircon	120046		Zircon		243188	Brockman Tiger Eye Mine (Marra Mamba), Mount Brockman, Ashburton Shire, Western Australia, Australia	Marra Mamba Iron Formation	Blake et al. (2004)	10.1016/j.precamres.2004.03.012	PR133_143	Age of "syndepositional volcanism"
Giersdorf_00000215	2770	2770	2770					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	Fortescue Group begins with early clastic sedimentation and mafic volcanism
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_00000219	2600	2480	2600-2480					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	Carbonate layer overlying the Marra Mamba BIF, part of the Hamersley group
Giersdorf_00000220	2600	2480	2600-2480					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	Shale and chert layer overlying the Wittenoom carbonate formation, part of 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_00000222	2480	2450	2480-2450		Felsic and Mafic ages are indistinguishable through current dating techniques, suggesting bimodal volcanic activity in the area			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 Brockman BIF, part of the Hamersley group, ages of the felsic and mafic units in this stratigraphy are indistinguishable from each other, suggesting a contemporaneous formation time.
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

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...