Nangaroo copper Mine, Eulaminna (Murrin Murrin mining centre), Leonora Shire, Western Australia, Australiai
| Regional Level Types | |
|---|---|
| Nangaroo copper Mine | Mine |
| Eulaminna (Murrin Murrin mining centre) | - not defined - |
| Leonora Shire | Shire |
| Western Australia | State |
| Australia | Country |
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Latitude & Longitude (WGS84):
28° 55' 4'' South , 121° 48' 36'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Leonora | 532 (2012) | 46.8km |
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).
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
15 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Arsenopyrite Formula: FeAsS |
| ⓘ Atacamite Formula: Cu2(OH)3Cl |
| ⓘ Azurite Formula: Cu3(CO3)2(OH)2 |
| ⓘ Cassiterite Formula: SnO2 |
| ⓘ Chalcocite Formula: Cu2S |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Dolomite Formula: CaMg(CO3)2 References: |
| ⓘ Dolomite var. Cobalt-bearing Dolomite Formula: (Ca,Mg,Co)CO3 References: |
| ⓘ Graphite Formula: C |
| ⓘ 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. |
| ⓘ 'Limonite' |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
| ⓘ Paratacamite Formula: Cu3(Cu,Zn)(OH)6Cl2 Description: See also comments in herbertsmithite entry for this locality. References: |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Quartz var. Chalcedony Formula: SiO2 |
| ⓘ Sphalerite Formula: ZnS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Graphite | 1.CB.05a | C |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Chalcocite | 2.BA.05 | Cu2S |
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| Group 3 - Halides | |||
| ⓘ | Atacamite | 3.DA.10a | Cu2(OH)3Cl |
| ⓘ | Paratacamite | 3.DA.10c | Cu3(Cu,Zn)(OH)6Cl2 |
| ⓘ | Herbertsmithite | 3.DA.10c | Cu3Zn(OH)6Cl2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz var. Chalcedony | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
| ⓘ | Cassiterite | 4.DB.05 | SnO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Dolomite var. Cobalt-bearing Dolomite | 5.AB.10 | (Ca,Mg,Co)CO3 |
| ⓘ | 5.AB.10 | CaMg(CO3)2 | |
| ⓘ | Azurite | 5.BA.05 | Cu3(CO3)2(OH)2 |
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
Other Regions, Features and Areas containing this locality
Australia
- Western Australia
- West Australian ElementCraton
- Yilgarn CratonCraton
Australian PlateTectonic Plate
- West Australian Craton
- Eastern Yilgarn CratonCraton
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Nangaroo copper Mine, Eulaminna, Leonora Shire, Western Australia, Australia