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Abstract Details

Magma Residence and Eruption at the Taupo Volcanic Center (Taupo Volcanic Zone, New Zealand)

Pamukcu AS, Wright KA, Gualda GAR & Gravley DM

Pamukcu AS, Wright KA, Gualda GAR & Gravley DM (2020) Goldschmidt Abstracts, 2020 2019

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05c: Room 1, View in program

Ayla S. Pamukcu
Kylie A. Wright
Guilherme A. R. Gualda View all 5 abstracts at Goldschmidt2020
Darren M. Gravley

Listed below are questions that have been submitted by the community that the author will try and cover in their presentation. To submit a question, ensure you are signed in to the website. Authors or session conveners approve questions before they are displayed here.

Submitted by BODA LIU on
Great work! Really enjoyed your presentation. My question is about the crystal growth rate. If the growth rate of crystals slows down while the nucleation rate stays constant, will there be a kink at the CSD as observed?
Hi Boda! Thanks very much for your question. Changes in growth rate should affect the curvature of the CSD, whereas the kink is more reflective of a change in the nucleation rate. Kinks may also be introduced by processes like annealing and aggregation, but especially in the case of crystal-poor erupted magmas, we don't think this is the dominant process. Bruce Marsh (1988, 1998) discusses the effects of changes in nucleation and growth rates on shapes of CSDs in depth, so I would recommend giving those a read.

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