VOLCANIC HISTORY- Tweed Region
Going way back to the forces that shaped our landscapes:
Going way back to the forces that shaped our landscapes:
Graphics courtesy of Australian Geographic
The lava flowed far and wide, not only from the main vent (Mt Warning), but also from smaller vents such as
Mt Doughboy and Egg Rock
Image below from Tweed Volcanic Region by Bruce Graham
The lava flowed far and wide, not only from the main vent (Mt Warning), but also from smaller vents such as
Mt Doughboy and Egg Rock
Image below from Tweed Volcanic Region by Bruce Graham
Artists' impression of the original Tweed shield volcano (20 million years ago) and the present erosion caldera
Artists Andy Reimanis and Mark Comport - original painting is in the Caldera Wildscapes Gallery
Simplified cross section of the layers of rock types deposited during successive lava flows
