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'Selwynite' occurrence, Mount Ida, Heathcote, City of Greater Bendigo, Victoria, Australia

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Latitude & Longitude (WGS84): 36° 52' 48'' South , 144° 41' 36'' East
Latitude & Longitude (decimal): -36.88000,144.69333
GeoHash:G#: r1qyhw4qr
Locality type:Occurrence
Köppen climate type:Cfb : Temperate oceanic climate


Rehabilitated copper prospect in sheared and altered Cambrian volcanics. A compact green rock found here was originally thought to be a new mineral species and given the name Selwynite (of Ulrich). It was eventually found that this material was rather a very fine grained rock, composed mainly of chromian muscovite (fuchsite) and diaspore. Corundum is known to occur with the fuchsite as massive aggregates and nodules. Copper carbonates can also be found as earthy films and micro crystals in joint planes.


Mineral List


7 valid minerals.

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

Early Silurian - Cambrian
427.4 - 541 Ma



ID: 3185333
Paleozoic sedimentary rocks

Age: Paleozoic (427.4 - 541 Ma)

Comments: Lachlan Fold Belt

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]

Series 2 - Terreneuvian
509 - 541 Ma



ID: 707243
Heathcote Volcanic Group

Age: Cambrian (509 - 541 Ma)

Stratigraphic Name: Heathcote Volcanic Group

Description: Pillowed and massive basalt, andesite and boninite; dolerite; minor volcanic sandstone, hyaloclastite, rhyolite, laminated tuff, black shale, chert, mudstone and mass flow deposits.

Comments: igneous mafic volcanic; synthesis of multiple published descriptions

Lithology: Igneous mafic volcanic

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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Skeats, E.W., 1908. On the Evidence of the Origin, Age, and Alteration of
the Rocks near Heathcote, Victoria. Proceedings of the Royal Society of Victoria. Vol. XXI (New Series). Part I pp. 308-348.
McAndrew, J. & Marsden, M.A.H., 1968. A regional guide to Victorian geology. Geology Department, University of Melbourne.

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