3-3-3-3-3-3-3-3-3-3-3-3-3 From: Martin Jutzeler <martin.jutzeler@xxxxxxxxxxx> The University of Tasmania (Australia) is inviting applications for *TWO fully funded PhD projects* on submarine silicic volcanism and geochemical fingerprinting of submarine tephra. The two students will be part of an international team aiming at understanding the behaviour of submarine silicic caldera eruptions and their impacts, using data from Macauley caldera and other submarine volcanoes in the Kermadec arc/RangitÄ?hua. The overarching project will determine the conditions that lead to explosive eruptions underwater, the dynamics of associated sediment flows, and under what conditions can these events trigger tsunami. Expected outcomes include an unprecedented reconstruction of the architecture of submarine caldera volcanoes, regional chronostratigraphic reconstructions, new innovative models applicable globally for a richer understanding of volcanic tsunami and eruptions that shape the seafloor, and natural hazard mitigation. *Both 3.5-year projects are fully funded by an ARC Discovery Project grant and the University of Tasmania. The student will be provided a Living Allowance scholarship of AU$31500 per year, fully covered tuition fees, and up to AU$2000 relocation fees.* The official deadline is the *12 October 2023,* for a scholarship start in early January. The two students would be part of the dynamic Volcanology Group at the University of Tasmania. The School of Natural Sciences hosts the world-class Centre for Ore Deposit and Earth Sciences (CODES) and Central Science Laboratory. The student will also benefit from national and international collaborators, including Prof. Stephen Gallagher at U. Melbourne, Dr. Steffen Kutterolf at GEOMAR, Prof. Michael Manga at UC Berkeley, Dr Emily Lane at NIWA, Prof. Y. Yokoyama at U. Tokyo, and others. Tasmaniaâ??s breathtaking landscapes, pristine beaches, and abundant wildlife create an awe-inspiring environment to explore and appreciate. There are endless opportunities for outdoor adventures, hiking, surfing, and sightseeing. Hobart is a lovely small city snuggled between the wilderness of forested mountains and the vast Southern Ocean. We have a rich cultural scene, with a thriving arts community, museum and art galleries, and various festivals and events throughout the year. The city's historic charm is evident in its well-preserved Georgian buildings, where bustling markets, cafes, bars and restaurants can be found. Embracing the slower pace of life, the student will find Hobart to be a place of warmth (despite the cool climate) and authenticity. *Project 1: Submarine Caldera-Forming Eruption at Macauley, Kermadec Arc/RangitÄ?hua * *Supervisors*: Dr Martin Jutzeler; A/Prof. Rebecca Carey. We are seeking a PhD student in volcanology to undertake this 3.5-year PhD project. The student will have the rare opportunity to undertake a combined fieldwork and marine core-based study on outstanding submarine-erupted volcanic deposits. The candidate should have a sound background in volcanic facies analysis, igneous geochemistry, command of scientific writing and the ability to conduct fieldwork in remote and difficult conditions. The PhD project aims at studying the volcanic facies and geochemistry of the 6.4 ka caldera-forming silicic eruption of Macauley volcano, Kermadec arc/RangitÄ?hua. The now submarine Macauley caldera produced enormous submarine pumiceous sediment waves on its flank, in addition to complex pyroclastic density current deposits on the adjacent Macauley Island. The project dataset will be based on an onland expedition on the very remote Macauley Island (pending iwi permission to access the Island) to which the student will participate, and already collected sediment core samples from the submarine wave deposits. *Project 2: Regional Tephra Geochemical Fingerprinting and Volcanic Facies Analysis in the Kermadec Arc/RangitÄ?hua * *Supervisors*: Dr Martin Jutzeler; A/Prof. Rebecca Carey. We are seeking a PhD student in volcanology and geochemistry to undertake this 3.5 year PhD project. The student will chemically fingerprint the provenance of multiple tephra across the Kermadec arc/RangitÄ?hua, and evaluate their eruption, transport and depositional processes based on volcanic textures and microtextures. The candidate should have a sound background in volcanic facies analysis, igneous geochemistry, and command of scientific writing. The student will work on marine core samples from a 2022 voyage in the Kermadec arc/RangitÄ?hua and work on cores acquired in basins adjacent to Havre, Macauley, Raoul and Healy volcanoes. This exceptional dataset will provide a benchmark analysis of submarine and subaerial volcanism in an intra-oceanic arc and unravel the complexity of various eruption and transport mechanisms. Although chiefly based on geochemical analyses, the project will extend to facies analysis of the bedform and the various volcanic components to inform on eruption and transport processes from a multidisciplinary perspective. The student will collaborate remotely with collaborators who will pick Foraminifera and analyse 14C ages. Interested candidates should *first* send their CV to Dr Martin Jutzeler before officially applying through the UTAS website: martin.jutzeler@xxxxxxxxxxx The official deadline is the 12 October 2023. *Application pages*: Project 1: https://urldefense.com/v3/__https://www.utas.edu.au/research/degrees/available-projects/projects/earth-sciences/submarine-volcanism__;!!IKRxdwAv5BmarQ!c6Jd88gWFh4x6aSHzO4HZYswUPlxQVHQZM5fJm1NvmmXNXUAJIlKF_LKJCIm1f4sYFp0VbNsQuKk92kJ$ <https://urldefense.com/v3/__https://www.utas.edu.au/research/degrees/available-projects/projects/earth-sciences/submarine-volcanism__;!!IKRxdwAv5BmarQ!dbgsxDoDBauOtWFQTzmQPkdnxEfaYomE3W1relrmNogvljjMQVM6DUh7FIbf3p0crVPI1rgeid4qaSvl8PyZ-ROMV0c6$> Project 2: https://urldefense.com/v3/__https://www.utas.edu.au/research/degrees/available-projects/projects/earth-sciences/tephra-geochemical-fingerprinting__;!!IKRxdwAv5BmarQ!c6Jd88gWFh4x6aSHzO4HZYswUPlxQVHQZM5fJm1NvmmXNXUAJIlKF_LKJCIm1f4sYFp0VbNsQneiXD02$ <https://urldefense.com/v3/__https://www.utas.edu.au/research/degrees/available-projects/projects/earth-sciences/tephra-geochemical-fingerprinting__;!!IKRxdwAv5BmarQ!dbgsxDoDBauOtWFQTzmQPkdnxEfaYomE3W1relrmNogvljjMQVM6DUh7FIbf3p0crVPI1rgeid4qaSvl8PyZ-eCk4CMR$> 3-3-3-3-3-3-3-3-3-3-3-3-3 ============================================================== Volcano Listserv is a collaborative venture among Arizona State University (ASU), Portland State University (PSU), the Global Volcanism Program (GVP) of the Smithsonian Institution's National Museum of Natural History, and the International Association for Volcanology and Chemistry of the Earth's Interior (IAVCEI). 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