Physical constraints for effective magma-water interaction along volcanic conduits during silicic explosive eruptions: COMMENT | Zendy

B. F. Houghton | Zendy; Rebecca Carey | Zendy

Open Access

Physical constraints for effective magma-water interaction along volcanic conduits during silicic explosive eruptions: COMMENT

Author(s) -

B. F. Houghton,

Rebecca Carey

Publication year - 2019

Publication title -

geology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.609

H-Index - 215

eISSN - 1943-2682

pISSN - 0091-7613

DOI - 10.1130/g46033c.1

Subject(s) - phreatomagmatic eruption , silicic , pyroclastic rock , geology , volcano , magma , fragmentation (computing) , peléan eruption , explosive eruption , petrology , geochemistry , earth science , computer science , operating system

Aravena et al. (2018) breathed fresh air into understanding the role of external water in silicic phreatomagmatic eruptions with their hypothesis that significant involvement of external water is only feasible above the level of primary fragmentation of the magma. We discuss here strong supporting evidence that primary fragmentation does not involve external water from the microtextures of the pyroclasts erupted from the two ‘type’ examples of large-scale interaction of silicic magma with external water.

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