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Significance of hornblende porphyry magmatism and tectonic transitions to continental rifting

Mesozoic igneous activity is principally concentrated in eastern Queensland within 2-300 km of the present-day coastline, and one key area is in SE Queensland (Maryborough to Brisbane). Compiled age data on igneous rocks in Queensland reinforce the lack of onshore Jurassic igneous activity until ~150 Ma when an apparent flare-up of igneous activity began and coincides with the onset of rifting and minor igneous activity related to the onset of break-up of Australia and Antarctica. Some of this late Jurassic …

Study level
Vacation research experience scheme
Faculty
Faculty of Science
School
School of Earth and Atmospheric Sciences
Research centre(s)
Centre for Materials Science

Exploding shallow marine volcanoes: investigating the petrology of the 2019 pumice raft-producing eruption from Volcano 0403-091, Tonga

More than 21,000 km of submarine volcanoes front subduction zones, many of which lie in shallow water close to inhabited areas. Eruptions at these volcanoes can be explosive and may have significant impacts on nearby communities, or generate pumice rafts that prolong impact at remote locations. For the first time, samples of a shallow marine explosive eruption have been collected from the buoyant pumice raft and from the seafloor at the vent of Volcano 0403-091, Tonga.

Study level
PhD, Master of Philosophy
Faculty
Faculty of Science
School
School of Earth and Atmospheric Sciences
Research centre(s)
Centre for Materials Science
Centre for the Environment

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