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Bulong Complex North Ni Mine, Bulong Goldfield, Kalgoorlie-Boulder Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 30° 40' 27'' South , 121° 49' 6'' East
Latitude & Longitude (decimal): -30.67433,121.81851
GeoHash:G#: qdw9kpct1
Locality type:Mine
Köppen climate type:BSh : Hot semi-arid (steppe) climate


Located 30 km east of Kalgoorlie.

Several shallow laterite nickel pits north of the main processing plant.

The North prospect shows unusual replacement type sulphides, found in a shallow supergene zone, in altered unlayered olivine rocks, immediately above a thin sheet like intrusion of country rock. The primary assemblage is pyrrhotite-magnetite-pyrite-chalcopyrite-pentandite, unusual as it is pseudomorphic after primary olivine grains of irregular fracture networks.

Later during metamorphism, recrystallization of serpentine and the growth of fibrous tremolite and chlorite penetrated the assemblage. In the supergene zone, pyrrhotite has been locally altered to pyrite and marcasite, with pentlandite largely replaced by cupriferous violarite. In the oxidised zone above, chalcopyrite has been replaced to varying degrees by microcrystalline chalcosine-covelline-goethite aggregates and magnetite replaced by hematite.

See also the Bulong Ni Mine Mindat listing which contains the processing plant, and southern shallow pits.


Commodity List

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


Mineral List


16 valid minerals.

Rock Types Recorded

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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

Cenozoic
0 - 66 Ma



ID: 836773
ferruginous duricrust 38498

Age: Cenozoic (0 - 66 Ma)

Description: Ferruginous duricrust, laterite; pisolitic, nodular, vuggy; may include massive to pisolitic ferruginous subsoil, mottled clays, magnesite, reworked products of ferruginous and siliceous duricrusts, calcrete, gossan; residual ferruginous saprolite

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: 3187518
Archean volcanic 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]

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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Marston, R.J. (1984) Nickel Mineralization in Western Australia. Mineral Resources Bulletin 14, Geological Survey of Western Australia, 291p. 
Moeskops, P.G.(1977) Serpentine Minerals From Two Areas of the Western Australian Nickel Belt; Mineralogical Magazine (Sept 1977):41: 313-322.
Moeskops, P.G., Davis, G.R.(1977) Unusual Sulphide Replacement Textures in Altered Olivine Rich Rocks of the Bulong Complex near Kalgoorlie Western Australia, Mineralogical Magazine(Dec1977):41: 487-492.
Mock, C., Elliott, B.G., Ewers, G.R., Lorenz, R.P. (1987), Gold Deposits of Western Australia, BMR, Datafile (MINDEP), Resource Deposit 3, Department of Primary Industries and Energy, Bureau of Mineral Resources Geology and Geophysics, Commonwealth Government of Australia.

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