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Jenolan Caves, Oberon, Westmoreland Co., New South Wales, Australia

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Latitude & Longitude (WGS84): 33° 49' 6'' South , 150° 1' 21'' East
Latitude & Longitude (decimal): -33.81857,150.02258
Köppen climate type:Cfb : Temperate oceanic climate

Show caves 100 km west of Sydney.
May be formed 340 million years ago.

Collecting is not permitted in the caves or park areas.

Mineral List

28 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

Lochkovian - Wenlock
410.8 - 433.4 Ma

ID: 703096
Mumbil Group undifferentiated sediments

Age: Paleozoic (410.8 - 433.4 Ma)

Stratigraphic Name: Mumbil Group

Description: Feldspathic, micaceous and carbonaceous siltstone, limestone, shale, sandstone; minor volcaniclastic sandstone

Comments: sedimentary siliciclastic; sedimentary carbonate; synthesis of multiple published descriptions

Lithology: Sedimentary siliciclastic; sedimentary carbonate

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]

443.8 - 485.4 Ma

ID: 3186279
Paleozoic sedimentary and volcanic rocks

Age: Ordovician (443.8 - 485.4 Ma)

Comments: Lachlan Fold Belt

Lithology: Intermediate-felsic volcanic rocks; sandstone,phyllite,conglomerate,slate,chert,siltstone

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, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on 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 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.


Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
- Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1000.
- Australian Journal of Earth Sciences 53 (2006) 377–405.
Civita, M., Cocozza, T., Forti, P., Perna, G., Turi, B., Cortecci, G., ... & De Waele, J. Cave Aragonite in NSW, Australia Jill Rowling. In Geophysical Research Abstracts (Vol. 7, p. 01160). 14th International Congress of Speleology
Pogson, R. E., Osborne, R. A. L., & Colchester, D. M. (2014). Minerals of Jenolan Caves, New South Wales, Australia: Geological and Biological Interactions. In Proceedings of the Linnean Society of New South Wales (Vol. 136, p. 1).
Jill Rowling (2017) Water Travelling on the Edge of Fringed Cave Shawls. In 17th International Congress of Speleology (No. I, pp. 266-269). Australian Speleological Federation Inc.

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