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(2020) Vesicularity and Rheology of the Kīlauea 2018 Lava Flows

Halverson B, Whittington A, Hammer J, deGraffenried R, Lev E, Dietterich H, Patrick M, Parcheta C, Carr B, Zoeller M, Trusdell F & Llewellin E


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05e: Room 2, View in program

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Submitted by Tom Shea on
Very nice presentation Brenna. It's clear that vesicularity (and textures in general) vary rapidly as flows and overflows are emplaced around the channel edges. The issue is that bubbles will coalesce and collapse in the still deformable parts under thin skins and crusts that are forming. If one wants to get a the textures closest to the flowing lavas, wouldn't the frothy overflows likely be most representative? Do you think the remarkable textural variations you see in a single channel edge location could be eventually used to extract cooling time information for different units?

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