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 Mine, Duchess, Cloncurry Shire, Queensland, Australia

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

mindat Locality ID: 27957
mindat URL: http://www.mindat.org/loc-27957.html

Tectonic Settings:

Total number of sublocalities beneath "Duchess Mine, Duchess, Cloncurry Shire, Queensland, Australia": 0
Total number of bottom-level sublocalities: 0

Latitude: 21°21'40"S
Longitude: 139°51'41"E
Decimal Degree (lat, lon): -21.361111111111,139.86138888889

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.

Malachite	None	Not in a structural group

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 Cu Fe H O S

Elements from minerals reported directly at this locality: C Cu Fe H O S

Structural Groups for minerals in this locality:
Malachite None Not in a structural group

3 IMA Minerals at location:

Azurite ()*	Bornite ()*	Malachite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1575	1490	5509
Bornite ()*	None	Cu₅FeS₄	1575	1490	5516
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1575	1490	12537

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...