Hillwood quarry (Hillwood volcano), Craigburn, Tamar Valley, West Tamar municipality, Tasmania, Australia
|Latitude & Longitude (WGS84):||41° 13' 4'' South , 146° 57' 2'' East|
|Latitude & Longitude (decimal):||-41.21792,146.95072|
|Köppen climate type:||Cfb : Temperate oceanic climate|
Tertiary basaltic outcrops, with an abandoned quarry. Columnar basalts with small sparse vesicles containing zeolites.
4 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
0 - 66 Ma
|mafic volcanic rocks 38495|
Age: Cenozoic (0 - 66 Ma)
Description: Volcanic rocks, predominantly mafic; basalt, trachyte, trachybasalt, trachyandesite, leucitite, basanite, nephelinite, limburgite, rhyolite, tuff and high level intrusives; rare volcaniclastic sediments
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).