Mount Shadwell, Mortlake, Moyne Shire, Victoria, Australia
|Latitude & Longitude (WGS84):||38° 3' 4'' South , 142° 49' 0'' East|
|Latitude & Longitude (decimal):||-38.05111,142.81667|
Active basalt quarry at base of eastern flank of the volcano.
Known for fine olivine bombs and large anorthoclase xenocrysts.
Fumaroles and quartz-rich xenoliths also occur, but are rare.
The mineralogy has not been studied in detail yet, but mineralogical work is underway (B. Birch & U. Kolitsch).
Mt Shadwell Quarry is located in Ararat Road, MORTLAKE.
15 valid minerals.
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
|Holocene - Miocene|
0 - 23.03 Ma
|Newer Volcanic Group|
Age: Cenozoic (0 - 23.03 Ma)
Stratigraphic Name: Newer Volcanic Group
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). 
- Irving (1974)
- Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-42.
- Mills, S. J. & Groat, L. A. (2008) The crystal structure of yellow aegirine–augite from Mount Anakie, Victoria, Australian Journal of Mineralogy, 14(1), 43–45.