|Latitude & Longitude (WGS84):||38° 3' 4'' South , 142° 49' 0'' East|
|Latitude & Longitude (decimal):||-38.05111,142.81667|
|Köppen climate type:||Cfb : Temperate oceanic climate|
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.
Rock Types Recorded
Select Rock List TypeAlphabetical List Tree Diagram
Entries shown in red are rocks recorded for this region.
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
0 - 2.588 Ma
|Cenozoic volcanic rocks|
Age: Pleistocene (0 - 2.588 Ma)
Comments: East Australia Cainozoic Volcanic Belt
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. 
|Holocene - Miocene|
0 - 23.03 Ma
|Newer Volcanic Group|
Age: Cenozoic (0 - 23.03 Ma)
Stratigraphic Name: Newer Volcanic Group
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).