6-6-6-6-6-6-6-6-6-6-6-6-6 From: Teresa Ubide <teresaubide@xxxxxxxxx> Dear all, Please find below the announcement for our *session* *5h* â??*Mush4D - Exploring the structure and dynamics of mush-bearing magma plumbing systemsâ?? *at the hybrid 2021 Goldschmidt meeting in Lyon. https://2021.goldschmidt.info/goldschmidt/2021/meetingapp.cgi/Session/2074 <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2F2021.goldschmidt.info%2Fgoldschmidt%2F2021%2Fmeetingapp.cgi%2FSession%2F2074&data=04%7C01%7CC.Petrone%40nhm.ac.uk%7C7d67aa93b74a4a7f0c3608d8c453cce6%7C73a29c014e78437fa0d4c8553e1960c1%7C1%7C0%7C637475211509790312%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=VAbvCq%2BPDl%2B2Ku52sEma3z8hbRf78ZAnvcPE3joJO04%3D&reserved=0> *Mush4D - Exploring the structure and dynamics of mush-bearing magma plumbing systems* Major challenges in volcanology are the abilities to recognise if, when and how fast magmatic systems can switch from states of dormancy into states of unrest or eruption. Despite an increasingly large body of geophysical information on magma migration and accumulation within magma plumbing systems, there are currently no integrated views on how mush-dominated magma plumbing systems evolve in space and time, how magma is stored, transferred and processed within these systems and how mush processes affect the behaviour, duration and intensity of volcanic eruptions. This is particularly critical as mush processes can perturb seemingly dormant or steady-state volcanoes, leading to dramatic changes in behaviour. Thus, understanding the dynamics of mush-to-magma conversion is not only important for describing the physical evolution of magma plumbing systems, but is also vital for carrying out effective volcano monitoring and risk assessment. In this session we welcome contributions that use the physical and chemical properties of volcanic eruption products, and those of crystals in particular, to improve our understanding of mush-bearing magma plumbing systems. We especially welcome contributions that focus on critical timescales of magma storage, re-mobilisation and transfer within mush-bearing systems as well as those that investigate and compare rates of mush-to-magma conversion in chemically distinct systems. We also invite contributions that exploit recent improvements in analytical, experimental and computational techniques to extract P-T-t-X conditions of mush processes more generally. Contributions that consider the implications of mush-to-magma conversion for volcano monitoring and risk assessment are also highly welcome. *Provisional Keynote Speaker:* Marian Holness (University of Cambridge):* Mush or magma chamber?: the microstructural record of magma fluid dynamical regime and the growth of solidification fronts* *Conveners:* David Neave (The University of Manchester) Teresa Ubide (The University of Queensland) Chiara Maria Petrone (The Natural History Museum) Maren Kahl (Heidelberg University) The upcoming Goldschmidt meeting is announced as a hybrid event, however, given the global Covid-19 situation and the extensive travel restrictions that are still in place for most countries we have decided to run session 5h as a *virtual event.* We look forward to your contributions and hope to see you online in July! 6-6-6-6-6-6-6-6-6-6-6-6-6 ------------------------------
