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TS7.3/GMPV22

Interactions of magmatism and tectonics in collision zone settings (co-organized)
Convener: Mark Allen  | Co-Conveners: Monireh Kheirkhah , Khachatur Meliksetian , Di-Cheng Zhu , Sun-Lin Chung , Vojtěch Janoušek , Szabolcs Harangi 
Orals
 / Thu, 01 May, 13:30–17:00  / Room B9
Posters
 / Attendance Fri, 02 May, 10:30–12:00  / Blue Posters
Continental collision zones are not only sites of widespread deformation, but also regions of long-lived magmatism, which often continues for tens of millions of years after the initial plate collision. The presence of melting zones and larger hot magmatic bodies at depth has important consequences on heat and mass transfer within the orogen, the rheology of the lithosphere, the differentiation of the crust and origin of late-orogenic ore systems. This session aims to present current work on all aspects of orogenic magmatism – causes, sources, melting conditions, spatial and temporal evolution and wider geodynamic implications. We aim to bring together both the tectonic and petrology communities. We also intend a platform for results from older orogens (e.g. Variscides and Caledonides) where both plutonic and volcanic rocks are well-exposed for study, as well as the active volcanic zones of the Alpine-Himalayan system (e.g. SW Asia, Tibet), where there are good geophysical constraints on the regional tectonics.

Invited keynote speaker: Prof Julian Pearce (Cardiff)