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Belleisle Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 31° 16' 36'' South , 121° 43' 27'' East
Latitude & Longitude (decimal): -31.27687,121.72432
GeoHash:G#: qdqw1fhzn
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate


The Belleisle Gold mine is an underground gold mine accessed from the Mars open pit. Due to 75 metres over overlying sediments, the mine had to be underground rather than an open pit. It is located at the northern end of the small Delta Island, which is half-way between Kambalda and the Lefroy Mill. The island contains a number of deposits, mines and has a complex geology.

The Belleisle Shear Zone strikes north-west, is a reverse sinitral type, dipping 65 degrees south-west, and extends along a 3 kilometre strike. At its south-east limit, its intersects with the Agamenon mine.

The shear zone is up to 80 metres thick, has a central low gold grade zone up to 40 metres thick, and consists of a variably sheared to mylonitic ultramafic-felsic complex, with alteration assemblages of chlorite-biotite-pyrite-albite-fuchsite-sericite, and intense silicification in the higher grade gold zones.

The orebodies plunge shallowly to moderately north-west. It is overlain by 90 metres of Tertiary sediments.


Commodity List

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


Mineral List


5 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

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

Quaternary
0 - 2.588 Ma



ID: 901180
lake deposits 38492

Age: Pleistocene (0 - 2.588 Ma)

Description: Lake and swamp deposits; mud, silt, evaporites, limestone; minor sand, peat

Comments: regolith; synthesis of multiple published descriptions

Lithology: Regolith

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]

Neoarchean - Mesoarchean
2500 - 3200 Ma



ID: 3189181
Archean sedimentary rocks

Age: Archean (2500 - 3200 Ma)

Comments: Yilgarn Craton

Lithology: Sedimentary 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]

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



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.

References

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Steffen Robertson and Kirsten (Australasia) Pty Ltd (2004), An Independent Technical Report on the St Ives Gold Mine Western Australia, Goldfields Ltd and Iamgold Corporation, 01/07/2004

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