Geological history | Tweed Regional Museum
The Tweed Volcano draws rain-bearing clouds to its dormant bulk. Streams cut into the volcano's flanks to form radiating river gorges, exposing cliffs of the basalt and rhyolite lavas. Erosion is most rapid and severe along the high-rainfall eastern side.
The geological history of The Tweed Shield Volcano - ArcGIS …
An extinct shield volcano in Northern New South Wales and South East Queensland.
Tweed Volcano - Wikiwand
Tweed Volcano is a partially eroded Early Miocene shield volcano located in northeastern New South Wales, which formed when this region of Australia passed over the East Australia hotspot around 23 million years ago.
Mount Warning - Wikipedia
Mount Warning is the central volcanic remnant of an ancient shield volcano, the Tweed Volcano, which would have been about 1,900 m (6,200 ft) above sea level or just under twice the height of the current mountain.
Tweed Extinct Volcano, Australia, Stereo Pair of SRTM Shaded …
Jan 6, 2005 · Australia is the only continent without any current volcanic activity, but it hosts one of the world's largest extinct volcanoes, the Tweed Volcano. Rock dating methods indicate that eruptions here lasted about three million years, ending about 20 million years ago.
Australian volcanos. The Tweed Volcano Series, Northern Rivers …
Brief description of the Tweed Volcano (big volcanoe) and caldera, and links to additional Australian volcano reseources. Australia's Green Cauldron. Volcanism (vulcanism) in Australia.
Wollumbin | Mount Warning | Tweed Regional Museum - Tweed …
The mountain is the remnant core of a shield volcano that was active 23 million years ago. The Tweed’s low and wide shield volcano once covered an area of around 100km by 80km. Today it stands less than half its original height and a tiny fraction of its original volume.
A new study on Australian volcanoes has changed what we know …
Mar 23, 2023 · The tipping point occurred at the stunning Tweed -Wollumbin (Mount Warning) volcanic landscape, which formed 21–24 million years ago at today’s border between Queensland and New South Wales....
The creation of Tweed Volcano in Australia, and the subsequent …
A general description of the complex geology of the Tweed Volcano in Australia, which has created probably the largest, most easily accessible, erosion caldera in the world.
Mt Warning Volcano, Australia | John Seach
Tweed volcano is a 100 km wide ancient shield volcano. Mt Warning forms the central complex of Tweed volcano. Mt Warning volcano has a 30 km diameter erosion cladera. The original volcano height of Tweed volcano was 1900 m and it erupted 3200 sq km of lava.