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Numbers 3 and 5 prospects, Ravensthorpe, Ravensthorpe Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 33° 36' 4'' South , 120° 15' 25'' East
Latitude & Longitude (decimal): -33.60137,120.25702
GeoHash:G#: qdj8be03z
Locality type:Group of Prospects
Köppen climate type:Csb : Warm-summer Mediterranean climate


Located 19 km east of Ravensthorpe. Just north of the South Coast Highway.
Prospects almost adjacent to each other. Number 5 is the western most of the two.

Tremolite, talc-carbonate, bladed textured serpentinized olivine, and talc rocks, at the base of a thick sequence of metabasalt, or amphibolite. Banded chert, dipping south, forms the Footwall.

Number 5 is pyrrhotite rich breccia sulphides, grading up to 2.4% Ni. The disseminated sulphides are found in a 2 metre thick zone in carbonate-serpentine-tremolite.

Number 3 is massive pyrite along the basal contact with the ultramafic unit, showing 0.9 metres thick of disseminated sulphides, averaging only 0.51% Ni.



Mineral List


4 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

Neoarchean - Mesoarchean
2500 - 3200 Ma



ID: 3187815
Archean sedimentary and volcanic rocks

Age: Archean (2500 - 3200 Ma)

Comments: Yilgarn Craton

Lithology: Greenstone belt; mafic 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: 800952
metamorphosed ultramafic rocks 74286

Age: Archean (2500 - 4000 Ma)

Description: Metamorphosed komatiite, pyroxenite, chlorite-tremolite schist, talc-chlorite schist, anthophyllite-tremolite-talc rock; olivine-cummingtonite schist; talc-carbonate-tremolite-chlorite rock, serpentinite; amphibole schist after pyroxenite

Comments: igneous ultramafic volcanic; meta-igneous ultramafic intrusive; synthesis of multiple published descriptions

Lithology: Igneous ultramafic volcanic; meta-igneous ultramafic intrusive

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



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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Marston, R.J. (1984) Nickel Mineralization in Western Australia. Mineral Resources Bulletin 14, Geological Survey of Western Australia, 291p. 

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