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:
Duchess, Cloncurry Shire, Queensland, Australia

Oldest recorded age at locality: 1575
Youngest recorded age at locality: 1490

mindat Locality ID: 27865
mindat URL: http://www.mindat.org/loc-27865.html

Tectonic Settings:

Total number of sublocalities beneath "Duchess, Cloncurry Shire, Queensland, Australia": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Bushy Park Station
Duchess Mine

Latitude: 21°19'13"S
Longitude: 139°49'5"E
Decimal Degree (lat, lon): -21.320277777778,139.81805555556

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	Calcite	Chalcopyrite	Clay	Clinozoisite	Cobaltite	Corundum	Epidote	Feldspar	Kaolinite
Malachite	Nickeline	None	Not in a structural group	Pyrite	Pyroxene	Rutile	Scapolite	Spinel	Titanite
Zircon

Albite ()*	Antlerite ()*	Augite ()*	Azurite ()*	Bornite ()*
Calcite ()*	Chalcopyrite ()*	Cobaltite ()*	Cummingtonite ()*	Epidote ()*
Hedenbergite ()*	Hematite ()*	Kaolinite ()*	Magnetite ()*	Malachite ()*
Marialite ()*	Microcline ()*	Orthoclase ()*	Pyrite ()*	Pyrrhotite ()*
Rutile ()*	Spinel ()*	Titanite ()*	Zircon ()*

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 C Ca Cl Co Cu Fe H K Mg Na O S Si Ti Zr

Elements from minerals reported directly at this locality: Al As C Ca Cl Co Cu Fe H K Mg Na O S Si Ti Zr

Structural Groups for minerals in this locality:
Amphibole Calcite Chalcopyrite Clay Clinozoisite Cobaltite Corundum Epidote Feldspar Kaolinite
Malachite Nickeline None Not in a structural group Pyrite Pyroxene Rutile Scapolite Spinel Titanite
Zircon

24 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
Albite ()*	Feldspar	Na(AlSi₃O₈)	1575	1490	0		8803
Antlerite ()*	Not in a structural group	Cu²⁺₃(SO₄)(OH)₄	1575	1490	2	11188,11189	246
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1575	1490	0		2060
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1575	1490	1	11190	5509
Bornite ()*	None	Cu₅FeS₄	1575	1490	1	11190	5516
Calcite ()*	Calcite	Ca(CO₃)	1575	1490	0		27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1575	1490	0		27198
Cobaltite ()*	Cobaltite	CoAsS	1575	1490	0		966
Cummingtonite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	1575	1490	0		327
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1575	1490	0		8173
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	1575	1490	0		741
Hematite ()*	Corundum	Fe₂O₃	1575	1490	0		14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1575	1490	1	11189	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1575	1490	0		14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1575	1490	1	11190	12537
Marialite ()*	Scapolite	Na₄Al₃Si₉O₂₄Cl	1575	1490	0		139
Microcline ()*	Feldspar	K(AlSi₃O₈)	1575	1490	0		4924
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1575	1490	0		2349
Pyrite ()*	Pyrite	FeS₂	1575	1490	0		39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1575	1490	0		9056
Rutile ()*	Rutile	TiO₂	1575	1501	0		5614
Spinel ()*	Spinel	MgAl₂O₄	1575	1490	0		1934
Titanite ()*	Titanite	CaTi(SiO₄)O	1538	1490	0		4899
Zircon ()*	Zircon	Zr(SiO₄)	1575	1490	0		5251

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Age from other Locality	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
EMG15_125-1	1505	1505		40Ar/39Ar	Ore emplacement age	biotite	Yes		191789	Ernest Henry Cu-Au Deposit (Ernest Henry Mine), Cloncurry, Cloncurry Shire, Queensland, Australia	Hypogene Ore at the Ernest Henry Iron Oxide Copper-Gold Deposit, Cloncurry District, NW Queensland	Foster et al. (2007)	10.2113/gsemg.16.3-4.125	EMG15_125	p. 127
EMG15_125-2	1537	1521		U-Pb	pre-mineralization alteration	titanite	Yes	Titanite	191789	Ernest Henry Cu-Au Deposit (Ernest Henry Mine), Cloncurry, Cloncurry Shire, Queensland, Australia	Hypogene Ore at the Ernest Henry Iron Oxide Copper-Gold Deposit, Cloncurry District, NW Queensland	Foster et al. (2007)	10.2113/gsemg.16.3-4.126	EMG15_125	error is +11/-8; p. 127
EMG15_125-3	1538	1490	1514±24	U-Pb	pre-mineralization alteration	titanite	Yes	Titanite	191789	Ernest Henry Cu-Au Deposit (Ernest Henry Mine), Cloncurry, Cloncurry Shire, Queensland, Australia	Hypogene Ore at the Ernest Henry Iron Oxide Copper-Gold Deposit, Cloncurry District, NW Queensland	Foster et al. (2007)	10.2113/gsemg.16.3-4.127	EMG15_125	p. 127
EMG15_125-4	1575	1501	1538±37	U-Pb		rutile	Yes	Rutile	191789	Ernest Henry Cu-Au Deposit (Ernest Henry Mine), Cloncurry, Cloncurry Shire, Queensland, Australia	Hypogene Ore at the Ernest Henry Iron Oxide Copper-Gold Deposit, Cloncurry District, NW Queensland	Foster et al. (2007)	10.2113/gsemg.16.3-4.128	EMG15_125	p. 127

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...