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A Textural Perspective on the Magmatic System and Eruptive Behaviour of Merapi Volcano

Katie Preece Orcid Logo, Froukje van der Zwan, Julia Hammer, Ralf Gertisser

Merapi Volcano, Pages: 265 - 289

Swansea University Author: Katie Preece Orcid Logo

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DOI (Published version): 10.1007/978-3-031-15040-1_9

Abstract

Quantitative textural analysis of crystals, including their number density, shapes, sizes, overall abundance and size distribution can be used to shed light on magmatic processes and the timescales over which they operate. At Merapi, textural analysis of phenocrysts in dome lavas, lava flows, tephra...

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Published in: Merapi Volcano
ISBN: 9783031150395 9783031150401
ISSN: 2195-3589 2195-7029
Published: Cham Springer International Publishing 2023
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa62693
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first_indexed 2023-02-20T09:30:22Z
last_indexed 2023-03-10T04:14:19Z
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spelling 2023-03-09T10:02:19.0964180 v2 62693 2023-02-20 A Textural Perspective on the Magmatic System and Eruptive Behaviour of Merapi Volcano f356499883a4264da682fa1ef72205ea 0000-0003-1478-4291 Katie Preece Katie Preece true false 2023-02-20 SGE Quantitative textural analysis of crystals, including their number density, shapes, sizes, overall abundance and size distribution can be used to shed light on magmatic processes and the timescales over which they operate. At Merapi, textural analysis of phenocrysts in dome lavas, lava flows, tephra, and in plutonic cumulates has revealed that open system steady state conditions prevail throughout the crustal magma plumbing system over short time periods, with non-steady state conditions prevailing over the longer term. Phenocryst crystallisation likely takes place over tens to hundreds of years prior to eruption. Quantitative textural analysis of feldspar microlites, in conjunction with compositional data, elucidate magma ascent and degassing processes within the conduit during dome forming eruptions, and additionally reveal the driving forces behind transitions between effusive and explosive eruptive behaviour. For example, microlite textures from different stages of the 2010 eruption show that transitions between explosive and effusive activity in 2010 were driven primarily by the dynamics of magma ascent in the shallow conduit. Book chapter Merapi Volcano 265 289 Springer International Publishing Cham 9783031150395 9783031150401 2195-3589 2195-7029 Merapi; Quantitative textural analysis; Magmatic processes; Eruptive behaviour; Explosive-effusive eruption transition 2 2 2023 2023-02-02 10.1007/978-3-031-15040-1_9 COLLEGE NANME Geography COLLEGE CODE SGE Swansea University 2023-03-09T10:02:19.0964180 2023-02-20T09:28:29.3989503 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Geography Katie Preece 0000-0003-1478-4291 1 Froukje van der Zwan 2 Julia Hammer 3 Ralf Gertisser 4
title A Textural Perspective on the Magmatic System and Eruptive Behaviour of Merapi Volcano
spellingShingle A Textural Perspective on the Magmatic System and Eruptive Behaviour of Merapi Volcano
Katie Preece
title_short A Textural Perspective on the Magmatic System and Eruptive Behaviour of Merapi Volcano
title_full A Textural Perspective on the Magmatic System and Eruptive Behaviour of Merapi Volcano
title_fullStr A Textural Perspective on the Magmatic System and Eruptive Behaviour of Merapi Volcano
title_full_unstemmed A Textural Perspective on the Magmatic System and Eruptive Behaviour of Merapi Volcano
title_sort A Textural Perspective on the Magmatic System and Eruptive Behaviour of Merapi Volcano
author_id_str_mv f356499883a4264da682fa1ef72205ea
author_id_fullname_str_mv f356499883a4264da682fa1ef72205ea_***_Katie Preece
author Katie Preece
author2 Katie Preece
Froukje van der Zwan
Julia Hammer
Ralf Gertisser
format Book chapter
container_title Merapi Volcano
container_start_page 265
publishDate 2023
institution Swansea University
isbn 9783031150395
9783031150401
issn 2195-3589
2195-7029
doi_str_mv 10.1007/978-3-031-15040-1_9
publisher Springer International Publishing
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Geography{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Geography
document_store_str 0
active_str 0
description Quantitative textural analysis of crystals, including their number density, shapes, sizes, overall abundance and size distribution can be used to shed light on magmatic processes and the timescales over which they operate. At Merapi, textural analysis of phenocrysts in dome lavas, lava flows, tephra, and in plutonic cumulates has revealed that open system steady state conditions prevail throughout the crustal magma plumbing system over short time periods, with non-steady state conditions prevailing over the longer term. Phenocryst crystallisation likely takes place over tens to hundreds of years prior to eruption. Quantitative textural analysis of feldspar microlites, in conjunction with compositional data, elucidate magma ascent and degassing processes within the conduit during dome forming eruptions, and additionally reveal the driving forces behind transitions between effusive and explosive eruptive behaviour. For example, microlite textures from different stages of the 2010 eruption show that transitions between explosive and effusive activity in 2010 were driven primarily by the dynamics of magma ascent in the shallow conduit.
published_date 2023-02-02T04:22:31Z
_version_ 1763754483401097216
score 11.013575

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