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Lake Johnston, Dundas Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 32° 2' 26'' South , 120° 46' 45'' East
Latitude & Longitude (decimal): -32.04075,120.77924
GeoHash:G#: qdmcsrhv0
Locality type:Lake
Köppen climate type:BSk : Cold semi-arid (steppe) climate


The Lake Johnston area is 150 kilometres west of Norseman. The gravel Norseman-Hyden Road goes through the area. It contains for the most part undulating semi arid heathland, with Salmon Gum woodland in low lying areas. A number of large salt-pans are south of the road.

The locality name was chosen due to the presence of the large Lake Johnston salt-pan near the mines listed, and that the deposits are within the Lake Johnston Greenstone Belt.

There are no towns or human settlement across the approximately 300 kilometres between Hyden and Norseman, apart from the nickel mine localities listed, about half way across.


Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

20 valid minerals.

Rock Types Recorded

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Rock list contains entries from the region specified including sub-localities

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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

Quaternary
0 - 2.588 Ma



ID: 775051
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: 3187503
Archean intrusive rocks

Age: Archean (2500 - 3200 Ma)

Comments: Yilgarn Craton

Lithology: Intrusive igneous 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


Localities in this Region
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Australia

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References

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