Volcanos are one of the primary means of generating new crust, and are spectacular when doing so. Australia has a long history of volcanics generating back to the Archean, but volcanos in the popular imagination are those that are more recent and still have volcanic features visible.
Rocks to show: Volcanics rocks from recent eruptions in Australia.
Rocks included in this theme
- Nimbin rhyolite, NSW
- Mt Scheck volcanic cinder (sp?)
- Nulla basalt pahoehoe, Queensland
- Hanging Rock Trachyite, Victoria
- Vesicular lava blocks of Melbourne bluestone, Victoria