#supervolcano #australian #australia #volcano #volcanic #volcaniceruptions #volcanoeruption #geoscience #earthscience #caldera #cerberean #caldera #victoria #devonianera #granite #ancient #volcanoes #geological #geology #earthsciences #geoscience #geosciences #plinian #faultline #faults #tectonic #tectonicplates

The state of Victoria, in the South Eastern most region of continental Australia, was home to a massive number of ultraplinian volcanoes and supervolcanoes during the Devonian era. The state is divided in two, with the largest volcanic activity occurring during the early devonian at a site in Victoria where there was a rifting that was taking place. This rifting allowed magma from deep within the earth to rise up, and in doing so, this extremely hot basaltic magma melted the extremely volcanic bedrock basement of Victoria, turning the chemistry of the magma from a low silica mafic one, to an extremely viscous high silica blend, which led to the formation of over 2 dozen massive volcanic calderas in this region. We will cover this in part 2. In this episode, we are covering the volcanic activity that occurred in the Late Devonian, which was related to a nearby orogeny that was induced by a tectonic collision and subduction that was happening near to here, as more and more of Victoria was continuing to be risen from the deep sea, creating a land more recognizable to that one that exists today, with it being built one step at a time, bit by bit like a puzzle.

These late Devonian eruptions created some of the largest calderas and most powerful eruptions ever seen in Victoria. The most well known and well studied of these eruptions, is the VEI 8 supereruption that occurred in the Cerberean Caldera. This massive eruption is thought to be responsible for, or at the very least, related to the Devonian extinction that occurred due to just how powerful it was, and how immense the climactic effects would've been, especially with the Volcanic winter that without a doubt would've followed this eruption. Along with this, was the creation of some of the most well known features in Victoria in present day, such as Mount Dandenong, also known as Dandenong Ranges, and Mount Macedon. Both of these were extremely large and violent caldera forming volcanic eruptions. The land surrounding these impressive structures have slowly wittled down and eroded around the more erosion resistant volcanic rocks of these calderas, leaving them looking like mountains today, rather then the deep depressions within the earth that they once would've existed as. Along with these, we will also cover the Acheron caldera, and two others that exist north of the Cerberean one, that could've been just as powerful, if not more then what occurred at the Cerberean caldera.

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About OzGeology
OzGeology is an Australianbased YouTube channel that specializes in creating highquality documentaries on Earth sciences and natural disasters. The content is designed to be easy to digest and covers a wide range of topics, not only focusing on geology but occasionally exploring other scientific areas as well.

How New Zealand Causes Earthquakes in Australia:
   • How New Zealand Triggers Earthquakes ...  

Here are the links to the individual episodes.

Australian Super Volcanoes: Episode 1 Subduction Related
   • Australia's Super Volcanoes & Giant C...  

Australian Super Volcanoes: Episode 2 The Rift Zone
   • Australia's Super Volcanoes & The Zon...  

Australian Super Volcanoes: Episode 3 The Anomaly in The Western Volcanic Field:
   • Western Victoria's Ancient Super Volc...