Dear Colleagues,
We would like to bring to your attention and invite contributions to the session “Generation and Storage of Silicic Magmas in Hydrothermally Preconditioned Crust” to be held at the 2018 AGU Fall Meeting in Washington D.C. (10-14 December).
Session I.D.: 47391
Session Title: V021. Generation and Storage of Silicic Magmas in Hydrothermally Preconditioned Crust
Section: Volcanology, Geochemistry and Petrology
Conveners: Shane Rooyakkers (McGill University), Tamara Carley (Lafayette College), John Stix (McGill University)
Abstract:
The generation of low-δ18O silicic magmas by melting of hydrothermally altered crust is a central but poorly understood process in some magmatic systems. Important examples include the Snake River Plain - Yellowstone hotspot track, where low- δ 18O rhyolite bodies have fed large caldera-forming eruptions, and Iceland, where generation of low- δ 18O rhyolite in mafic crust provides a controversial analogue for differentiation of Earth’s earliest silicic crust. Understanding the processes by which low- δ 18O silicic magmas are generated and stored has important and far-reaching implications, including insights into the genesis of magmatic-hydrothermal ore deposits and the evolution of continental crust, the mitigation of volcanic risk, and geothermal energy production.
This session aims to connect diverse studies of silicic magmatism in hydrothermally altered crust. We invite submissions that address the genesis of low- δ 18O silicic magmas, the timescales and dynamics of these magma systems, and their economic and societal implications.
Additional information on this session can be found here: https://agu.confex.com/a
Abstract submissions are open here until 1 August:
https://fallmeeting.agu.org/20
Best Regards,
Shane Rooyakkers, Tamara Carley and John Stix
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