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(2020) Rapid Change in Deccan Volcanism Triggered by Delamination Prior to Chicxulub Impact

Hoyer PA, Regelous M, Haase KM & Fluteau F


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09b: Plenary Hall, Wednesday 24th June 23:36 - 23:39

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Submitted by Sally A. Gibson on Tuesday 23rd June 17:12
Hi Patrick, I enjoyed listening to your presentation and seeing your new dataset for the Deccan. I was wondering what type of magmas are formed where the lithosphere is 135 km thick? At these depths (& mantle potential temperatures of 1500 oC) adibatic decompression melting would generate incipient melts (melilitites?) rather than the alkali and tholeiitic basalts that are typically associated with the Deccan Traps.

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