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:
Grenfell, Forbes Co., New South Wales, Australia

Oldest recorded age at locality: 445
Youngest recorded age at locality: 420

mindat Locality ID: 29889
mindat URL: http://www.mindat.org/loc-29889.html

Tectonic Settings:

Total number of sublocalities beneath "Grenfell, Forbes Co., New South Wales, Australia": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Grenfell Mine
Hoskins Mine

Latitude: 33°46'40"S
Longitude: 148°5'30"E
Decimal Degree (lat, lon): -33.777777777778,148.09166666667

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	Baryte	Braunite	Calcite	Clay	Feldspar	Garnet	Mica	Milarite
None	Olivine	Pectolite	Pyrite	Pyroxene	Quartz	Rhodonite	Serpentine	Spinel

Aegirine ()*	Albite ()*	Andradite ()*	Arfvedsonite ()*	Baryte ()*
Braunite ()*	Calcite ()*	Calderite ()*	Caryopilite ()*	Ferri-leakeite ()*
Grossular ()*	Hausmannite ()*	Katophorite ()*	Magnesio-arfvedsonite ()*	Magnetite ()*
Mangano-ferri-eckermannite ()*	Mangano-mangani-ungarettiite ()*	Microcline ()*	Namansilite ()*	Norrishite ()*
Oxo-mangani-leakeite ()*	Pectolite ()*	Pyrite ()*	Quartz ()*	Rhodochrosite ()*
Rhodonite ()*	Serandite ()*	Spessartine ()*	Sugilite ()*	Tephroite ()*
Witherite ()*

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 Ba C Ca Fe H K Li Mg Mn Na O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Aragonite Baryte Braunite Calcite Clay Feldspar Garnet Mica Milarite
None Olivine Pectolite Pyrite Pyroxene Quartz Rhodonite Serpentine Spinel

31 IMA Minerals at location:

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
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	445	420	1	7183	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	445	420	1	7183	8803
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	445	420	1	7183	1534
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	445	420	1	7183	295
Baryte ()*	Baryte	Ba(SO₄)	445	420	1	7183	11547
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)	445	420	1	7183	483
Calcite ()*	Calcite	Ca(CO₃)	445	420	1	7183	27770
Calderite ()*	Garnet	Mn²⁺₃Fe³⁺₂(SiO₄)₃	445	420	1	7183	17
Caryopilite ()*	Clay Serpentine	Mn²⁺₃Si₂O₅(OH)₄	445	420	1	7183	83
Ferri-leakeite ()*	Amphibole	NaNa₂(Mg₂Fe³⁺₂Li)Si₈O₂₂(OH)₂	445	420	1	7183	4
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	445	420	1	7183	1544
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	445	420	1	7183	350
Katophorite ()*	Amphibole	Na(NaCa)(Mg₄Al)(Si₇Al)O₂₂(OH)₂	445	420	1	7183	46
Magnesio-arfvedsonite ()*	Amphibole	NaNa₂(Mg₄Fe³⁺)Si₈O₂₂(OH)₂	445	420	1	7183	79
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	445	420	1	7183	14899
Mangano-ferri-eckermannite ()*	Amphibole	NaNa₂(Mn²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	445	420	1	7183	4
Mangano-mangani-ungarettiite ()*	Amphibole	NaNa₂(Mn²⁺₂Mn³⁺₃)Si₈O₂₂O₂	445	420	1	7183	3
Microcline ()*	Feldspar	K(AlSi₃O₈)	445	420	1	7183	4924
Namansilite ()*	None	NaMn³⁺Si₂O₆	445	420	1	7183	8
Norrishite ()*	Mica	KLiMn³⁺₂Si₄O₁₀O₂	445	420	1	7183	5
Oxo-mangani-leakeite ()*	Amphibole	NaNa₂(Mn³⁺₄Li)Si₈O₂₂O₂	420	420	1	7183	1
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	445	420	1	7183	363
Pyrite ()*	Pyrite	FeS₂	445	420	1	7183	39462
Quartz ()*	Quartz	SiO₂	445	420	1	7183	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	445	420	1	7183	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	445	420	1	7183	969
Serandite ()*	Pectolite	NaMn²⁺₂Si₃O₈(OH)	445	420	1	7183	38
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	445	420	1	7183	1214
Sugilite ()*	Milarite	KNa₂Fe³⁺₂(Li₃Si₁₂)O₃₀	445	420	1	7183	15
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)	445	420	1	7183	240
Witherite ()*	Aragonite	Ba(CO₃)	445	420	1	7183	251

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Age Interpret	Minerals explicitely stated as having this age	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Alexandra-0098	433	427	Middle Sillurian	Age of metamorphism		86	Hoskins Mine, Grenfell, Forbes Co., New South Wales, Australia	Hoskins Mine	Ashley (1986)	10.1080/08120098608729383	AJES33_443
Alexandra-0099	445	444	Late Upper Ordovician	Age of metamorphism		86	Hoskins Mine, Grenfell, Forbes Co., New South Wales, Australia	Hoskins Mine	Ashley (1986)	10.1080/08120098608729383	AJES33_443
Grew_Li_2019_0080	420	420	420		Oxo-mangani-leakeite	86	Hoskins Mine, Grenfell, Forbes Co., New South Wales, Australia	Hoskins mine, Grenfell, Forbes County, New South Wales, Australia	Ashley (1986)	10.1080/08120098608729383	AJES33_456

Sample	Source Locality	Reference URL
R050244	Hoskins Mine, Grenfell, Forbes Co., New South Wales, Australia	https://rruff.info/R050244
R070006	Hoskins Mine, Grenfell, Forbes Co., New South Wales, Australia	https://rruff.info/R070006
R060368	Hoskins Mine, Grenfell, Forbes Co., New South Wales, Australia	https://rruff.info/R060368

All locality data graciously provided by mindat.org

All age data...