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Nangaroo copper Mine, Eulaminna (Murrin Murrin mining centre), Leonora Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 28° 55' 4'' South , 121° 48' 36'' East
Latitude & Longitude (decimal): -28.91805,121.81019
GeoHash:G#: qdye7zekp
Locality type:Mine
Köppen climate type:BWh : Hot deserts climate


Located 46 km east of Leonora.

Abandoned mine workings are located on the eastern limb of the Kilkenny Syncline, and extracted copper/zinc sulphide mineralisation. Copper was produced from the mine from the early 1900's to the early 1920's, by Isaac Matson. The ore was sold to the Anaconda Copper company and was processed at Eulaminna. Further mining took place from 1950 to 1967 totalling 257.7 tonnes of copper.

At Nangaroo the bulk of the mineralisation occurs below 30 metres depth in one shallow, north- plunging lens expressed at surface as a large limonitic and siliceous gossan exposed around old mine workings. Copper /zinc metal ratios of the massive sulphides average 1:2 with a combined metal content of 15% Cu/ Zn.

The Nangaroo Copper mine has many geological similarities to Achaean Greenstone Belts world-wide. Most notable is Independence Group's Jaguar and Bentley VMS deposits located 85 kilometres North West of the Project.

Previous drilling at Nangaroo has recorded high grade copper/zinc sulphides between surface and 130m. These include 6m @ 14.7% Cu and 9.5% Zn, 9m @3.5% Cu and 1.5% Zn, 4m @ 2.2% Cu and 2.4% Zn, 3.6m @ 2% Cu and 1.4% Zn.

Mineralisation is open at depth and along strike. The Company has planned work that includes geophysical surveys combined with deep drilling to test the down dip extensions of the known mineralisation.

A few specimens have come from the mine labelled in the past as paratacamite. Testing in 2017 of two specimens from the same lot, has shown the material to be the rarer but related Herbertsmithite (Sue Koepke information).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


15 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Arsenopyrite
Formula: FeAsS
Reference: Simpson, E.S. (1948) Minerals of Western Australia, Vol 1, p.443.
Atacamite
Formula: Cu2(OH)3Cl
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
'Basalt'
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
'Breccia'
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
Cassiterite
Formula: SnO2
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
Chalcocite
Formula: Cu2S
Reference: Simpson, E.S. (1948) Minerals of Western Australia, Vol 1, p.443.
Chalcopyrite
Formula: CuFeS2
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
'commodity:Copper'
Formula: Cu
Reference: From USGS MRDS database
Dolomite
Formula: CaMg(CO3)2
Reference: Sue Koepke collection via Jiri Just
Dolomite var: Cobaltoan Dolomite
Formula: (Ca,Mg,Co)CO3
Reference: Sue Koepke collection via Jiri Just
Graphite
Formula: C
Reference: Simpson, E.S. (1948) Minerals of Western Australia, Vol 1, p.443.
Herbertsmithite
Formula: Cu3Zn(OH)6Cl2
Description: Sue Koepke has advised me (Kim Macdonald) testing recently on two specimens show the material to be Herbertsmithite. This probably includes the two specimens photographed on Mindat. I do not have further details.
Reference: A few specimens have come from the mine labelled in the past as paratacamite. Testing in 2017 of two specimens from the same lot, has shown the material to be the rarer but related Herbertsmithite (Sue Koepke information).
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
Paratacamite
Formula: Cu3(Cu,Zn)(OH)6Cl2
Description: See also comments in herbertsmithite entry for this locality.
Reference: Sue Koepke collection via Jiri Just
Pyrite
Formula: FeS2
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
Pyrrhotite
Formula: Fe7S8
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
Quartz
Formula: SiO2
Reference: Simpson, E.S. (1948) Minerals of Western Australia, Vol 1, p.254.
Quartz var: Chalcedony
Formula: SiO2
Reference: Simpson, E.S. (1948) Minerals of Western Australia, Vol 1, p.254.
'Shale'
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
Sphalerite
Formula: ZnS
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
'Tuff'
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
'Arsenopyrite'2.EB.20FeAsS
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Group 3 - Halides
'Atacamite'3.DA.10aCu2(OH)3Cl
Herbertsmithite3.DA.10cCu3Zn(OH)6Cl2
Paratacamite3.DA.10cCu3(Cu,Zn)(OH)6Cl2
Group 4 - Oxides and Hydroxides
'Cassiterite'4.DB.05SnO2
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Azurite'5.BA.05Cu3(CO3)2(OH)2
Dolomite5.AB.10CaMg(CO3)2
var: Cobaltoan Dolomite5.AB.10(Ca,Mg,Co)CO3
Malachite5.BA.10Cu2(CO3)(OH)2
Unclassified Minerals, Rocks, etc.
'Basalt'-
'Breccia'-
Limonite-(Fe,O,OH,H2O)
Shale-
Tuff-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A2(O,OH)3Xq
Atacamite10.1.1.1Cu2(OH)3Cl
Paratacamite10.1.2.1Cu3(Cu,Zn)(OH)6Cl2
Group 14 - ANHYDROUS NORMAL CARBONATES
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Basalt'-
'Breccia'-
Dolomite
var: Cobaltoan Dolomite
-(Ca,Mg,Co)CO3
Herbertsmithite-Cu3Zn(OH)6Cl2
'Limonite'-(Fe,O,OH,H2O)
Quartz
var: Chalcedony
-SiO2
'Shale'-
'Tuff'-

List of minerals for each chemical element

HHydrogen
H AtacamiteCu2(OH)3Cl
H AzuriteCu3(CO3)2(OH)2
H HerbertsmithiteCu3Zn(OH)6Cl2
H Limonite(Fe,O,OH,H2O)
H MalachiteCu2(CO3)(OH)2
H ParatacamiteCu3(Cu,Zn)(OH)6Cl2
CCarbon
C AzuriteCu3(CO3)2(OH)2
C Dolomite (var: Cobaltoan Dolomite)(Ca,Mg,Co)CO3
C DolomiteCaMg(CO3)2
C GraphiteC
C MalachiteCu2(CO3)(OH)2
OOxygen
O AtacamiteCu2(OH)3Cl
O AzuriteCu3(CO3)2(OH)2
O CassiteriteSnO2
O Quartz (var: Chalcedony)SiO2
O Dolomite (var: Cobaltoan Dolomite)(Ca,Mg,Co)CO3
O DolomiteCaMg(CO3)2
O HerbertsmithiteCu3Zn(OH)6Cl2
O Limonite(Fe,O,OH,H2O)
O MalachiteCu2(CO3)(OH)2
O ParatacamiteCu3(Cu,Zn)(OH)6Cl2
O QuartzSiO2
MgMagnesium
Mg Dolomite (var: Cobaltoan Dolomite)(Ca,Mg,Co)CO3
Mg DolomiteCaMg(CO3)2
SiSilicon
Si Quartz (var: Chalcedony)SiO2
Si QuartzSiO2
SSulfur
S ArsenopyriteFeAsS
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S PyriteFeS2
S PyrrhotiteFe7S8
S SphaleriteZnS
ClChlorine
Cl AtacamiteCu2(OH)3Cl
Cl HerbertsmithiteCu3Zn(OH)6Cl2
Cl ParatacamiteCu3(Cu,Zn)(OH)6Cl2
CaCalcium
Ca Dolomite (var: Cobaltoan Dolomite)(Ca,Mg,Co)CO3
Ca DolomiteCaMg(CO3)2
FeIron
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe Limonite(Fe,O,OH,H2O)
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
CoCobalt
Co Dolomite (var: Cobaltoan Dolomite)(Ca,Mg,Co)CO3
CuCopper
Cu AtacamiteCu2(OH)3Cl
Cu AzuriteCu3(CO3)2(OH)2
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu HerbertsmithiteCu3Zn(OH)6Cl2
Cu MalachiteCu2(CO3)(OH)2
Cu ParatacamiteCu3(Cu,Zn)(OH)6Cl2
ZnZinc
Zn HerbertsmithiteCu3Zn(OH)6Cl2
Zn ParatacamiteCu3(Cu,Zn)(OH)6Cl2
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
SnTin
Sn CassiteriteSnO2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Neoarchean - Mesoarchean
2500 - 3200 Ma



ID: 3188638
Archean volcanic and intrusive rocks

Age: Archean (2500 - 3200 Ma)

Comments: Yilgarn Craton

Lithology: Greenstone belt; mafic-ultramafic volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Archean
2500 - 4000 Ma



ID: 710986
sedimentary rocks 74322

Age: Archean (2500 - 4000 Ma)

Description: Phyllitic schist, siltstone, sandstone, greywacke, pelite, conglomerate, quartzite, phyllite, shale, slate, claystone, chert, minor felsic volcanic and volcaniclastic rocks; arkose, para- and orthoamphibolites; rare banded iron formation

Comments: argillaceous detrital sediment; sedimentary siliciclastic; synthesis of multiple published descriptions

Lithology: Argillaceous detrital sediment; sedimentary siliciclastic

Reference: Raymond, O.L., Liu, S., Gallagher, R., Zhang, W., Highet, L.M. Surface Geology of Australia 1:1 million scale dataset 2012 edition. Commonwealth of Australia (Geoscience Australia). [5]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
Simpson, E.S. (1948) Minerals of Western Australia.


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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