Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers
- Autores
- Ardill, Katie E.; Paterson, Scott Robert; Stanback, Jonathan; Alasino, Pablo Horacio; King, James J.; Crosbie, Simon E.
- Año de publicación
- 2020
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The size, longevity, and mobility of upper-crustal magma mushes, and thus their ability to mix and interact with newly arriving magma batches, are key factors determining the evolution of magma reservoirs. Magmatic structures in plutons represent local sites of structural and compositional diversity and provide an opportunity to test the extent of physical and chemical processes that operated through time. Regional compilation of compositionally defined magmatic structures, specifically those involving schlieren, in the Tuolumne Intrusive Complex (TIC), yields a synthesis of ∼1500 schlieren-bound structure measurements. Field observations, petrography, and whole-rock geochemistry were integrated to test schlieren formation mechanisms. At a local scale (1 mm–1 m), we find that schlieren-bound structures formed from the surrounding host magma during dynamic magmatic processes such as crystal flow-sorting, magmatic faulting, and folding. Fluidization of the magma mush, interpreted from 1 m to 1 km wide domains of clustered schlieren-bound structures, appears to have operated within a hydrogranular medium, or “crystal slurry” (Bergantz et al., 2017). At the regional scale (10’s km), outward younging patterns of troughs, migrating tubes, and plumes indicate that the mush convected, driven by intrusion of new pulses. Troughs and planar schlieren are weakly oriented parallel to nearby major unit contacts, which could be related to internal mush convection or effects of high thermochemical gradients at internal unit boundaries. We hypothesize that these younging patterns and orientations have the potential to constrain the size of mobile magma mixing regions, that in the TIC extended to a minimum of 150 km2 (∼1500 km3) and were long-lived (>1 m.y). These require the generation of extensive melt-present reservoirs that could flow magmatically, formed from the amalgamation of intruding magma pulses, and precludes dike, sill, or laccolith emplacement models. We conclude that schlieren-bound structures are faithful recorders of the multi-scale, hypersolidus evolution of upper-crustal magma bodies, and represent useful tools for studying plutonic systems.
Fil: Ardill, Katie E.. University of Southern California; Estados Unidos
Fil: Paterson, Scott Robert. University of Southern California; Estados Unidos
Fil: Stanback, Jonathan. University of Southern California; Estados Unidos
Fil: Alasino, Pablo Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Universidad Nacional de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Universidad Nacional de Catamarca. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Secretaría de Industria y Minería. Servicio Geológico Minero Argentino. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Provincia de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina. Universidad Nacional de La Rioja; Argentina
Fil: King, James J.. University of Oxford; Reino Unido. University of Durham; Reino Unido
Fil: Crosbie, Simon E.. University of Durham; Reino Unido - Materia
-
CRYSTAL MUSH
FLOW SORTING
MAGMATIC FABRIC
MAGMATIC STRUCTURES
SCHLIEREN
SIERRA NEVADA
TUOLUMNE INTRUSIVE COMPLEX - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/144987
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Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambersArdill, Katie E.Paterson, Scott RobertStanback, JonathanAlasino, Pablo HoracioKing, James J.Crosbie, Simon E.CRYSTAL MUSHFLOW SORTINGMAGMATIC FABRICMAGMATIC STRUCTURESSCHLIERENSIERRA NEVADATUOLUMNE INTRUSIVE COMPLEXhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The size, longevity, and mobility of upper-crustal magma mushes, and thus their ability to mix and interact with newly arriving magma batches, are key factors determining the evolution of magma reservoirs. Magmatic structures in plutons represent local sites of structural and compositional diversity and provide an opportunity to test the extent of physical and chemical processes that operated through time. Regional compilation of compositionally defined magmatic structures, specifically those involving schlieren, in the Tuolumne Intrusive Complex (TIC), yields a synthesis of ∼1500 schlieren-bound structure measurements. Field observations, petrography, and whole-rock geochemistry were integrated to test schlieren formation mechanisms. At a local scale (1 mm–1 m), we find that schlieren-bound structures formed from the surrounding host magma during dynamic magmatic processes such as crystal flow-sorting, magmatic faulting, and folding. Fluidization of the magma mush, interpreted from 1 m to 1 km wide domains of clustered schlieren-bound structures, appears to have operated within a hydrogranular medium, or “crystal slurry” (Bergantz et al., 2017). At the regional scale (10’s km), outward younging patterns of troughs, migrating tubes, and plumes indicate that the mush convected, driven by intrusion of new pulses. Troughs and planar schlieren are weakly oriented parallel to nearby major unit contacts, which could be related to internal mush convection or effects of high thermochemical gradients at internal unit boundaries. We hypothesize that these younging patterns and orientations have the potential to constrain the size of mobile magma mixing regions, that in the TIC extended to a minimum of 150 km2 (∼1500 km3) and were long-lived (>1 m.y). These require the generation of extensive melt-present reservoirs that could flow magmatically, formed from the amalgamation of intruding magma pulses, and precludes dike, sill, or laccolith emplacement models. We conclude that schlieren-bound structures are faithful recorders of the multi-scale, hypersolidus evolution of upper-crustal magma bodies, and represent useful tools for studying plutonic systems.Fil: Ardill, Katie E.. University of Southern California; Estados UnidosFil: Paterson, Scott Robert. University of Southern California; Estados UnidosFil: Stanback, Jonathan. University of Southern California; Estados UnidosFil: Alasino, Pablo Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Universidad Nacional de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Universidad Nacional de Catamarca. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Secretaría de Industria y Minería. Servicio Geológico Minero Argentino. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Provincia de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina. Universidad Nacional de La Rioja; ArgentinaFil: King, James J.. University of Oxford; Reino Unido. University of Durham; Reino UnidoFil: Crosbie, Simon E.. University of Durham; Reino UnidoFrontiers Media2020-07-24info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/144987Ardill, Katie E.; Paterson, Scott Robert; Stanback, Jonathan; Alasino, Pablo Horacio; King, James J.; et al.; Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers; Frontiers Media; Frontiers in Earth Science; 8; 190; 24-7-2020; 1-352296-6463CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.3389/feart.2020.00190info:eu-repo/semantics/altIdentifier/url/https://www.frontiersin.org/articles/10.3389/feart.2020.00190/fullinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:51:17Zoai:ri.conicet.gov.ar:11336/144987instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:51:17.573CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers |
title |
Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers |
spellingShingle |
Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers Ardill, Katie E. CRYSTAL MUSH FLOW SORTING MAGMATIC FABRIC MAGMATIC STRUCTURES SCHLIEREN SIERRA NEVADA TUOLUMNE INTRUSIVE COMPLEX |
title_short |
Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers |
title_full |
Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers |
title_fullStr |
Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers |
title_full_unstemmed |
Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers |
title_sort |
Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers |
dc.creator.none.fl_str_mv |
Ardill, Katie E. Paterson, Scott Robert Stanback, Jonathan Alasino, Pablo Horacio King, James J. Crosbie, Simon E. |
author |
Ardill, Katie E. |
author_facet |
Ardill, Katie E. Paterson, Scott Robert Stanback, Jonathan Alasino, Pablo Horacio King, James J. Crosbie, Simon E. |
author_role |
author |
author2 |
Paterson, Scott Robert Stanback, Jonathan Alasino, Pablo Horacio King, James J. Crosbie, Simon E. |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
CRYSTAL MUSH FLOW SORTING MAGMATIC FABRIC MAGMATIC STRUCTURES SCHLIEREN SIERRA NEVADA TUOLUMNE INTRUSIVE COMPLEX |
topic |
CRYSTAL MUSH FLOW SORTING MAGMATIC FABRIC MAGMATIC STRUCTURES SCHLIEREN SIERRA NEVADA TUOLUMNE INTRUSIVE COMPLEX |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The size, longevity, and mobility of upper-crustal magma mushes, and thus their ability to mix and interact with newly arriving magma batches, are key factors determining the evolution of magma reservoirs. Magmatic structures in plutons represent local sites of structural and compositional diversity and provide an opportunity to test the extent of physical and chemical processes that operated through time. Regional compilation of compositionally defined magmatic structures, specifically those involving schlieren, in the Tuolumne Intrusive Complex (TIC), yields a synthesis of ∼1500 schlieren-bound structure measurements. Field observations, petrography, and whole-rock geochemistry were integrated to test schlieren formation mechanisms. At a local scale (1 mm–1 m), we find that schlieren-bound structures formed from the surrounding host magma during dynamic magmatic processes such as crystal flow-sorting, magmatic faulting, and folding. Fluidization of the magma mush, interpreted from 1 m to 1 km wide domains of clustered schlieren-bound structures, appears to have operated within a hydrogranular medium, or “crystal slurry” (Bergantz et al., 2017). At the regional scale (10’s km), outward younging patterns of troughs, migrating tubes, and plumes indicate that the mush convected, driven by intrusion of new pulses. Troughs and planar schlieren are weakly oriented parallel to nearby major unit contacts, which could be related to internal mush convection or effects of high thermochemical gradients at internal unit boundaries. We hypothesize that these younging patterns and orientations have the potential to constrain the size of mobile magma mixing regions, that in the TIC extended to a minimum of 150 km2 (∼1500 km3) and were long-lived (>1 m.y). These require the generation of extensive melt-present reservoirs that could flow magmatically, formed from the amalgamation of intruding magma pulses, and precludes dike, sill, or laccolith emplacement models. We conclude that schlieren-bound structures are faithful recorders of the multi-scale, hypersolidus evolution of upper-crustal magma bodies, and represent useful tools for studying plutonic systems. Fil: Ardill, Katie E.. University of Southern California; Estados Unidos Fil: Paterson, Scott Robert. University of Southern California; Estados Unidos Fil: Stanback, Jonathan. University of Southern California; Estados Unidos Fil: Alasino, Pablo Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Universidad Nacional de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Universidad Nacional de Catamarca. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Secretaría de Industria y Minería. Servicio Geológico Minero Argentino. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja. - Provincia de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina. Universidad Nacional de La Rioja; Argentina Fil: King, James J.. University of Oxford; Reino Unido. University of Durham; Reino Unido Fil: Crosbie, Simon E.. University of Durham; Reino Unido |
description |
The size, longevity, and mobility of upper-crustal magma mushes, and thus their ability to mix and interact with newly arriving magma batches, are key factors determining the evolution of magma reservoirs. Magmatic structures in plutons represent local sites of structural and compositional diversity and provide an opportunity to test the extent of physical and chemical processes that operated through time. Regional compilation of compositionally defined magmatic structures, specifically those involving schlieren, in the Tuolumne Intrusive Complex (TIC), yields a synthesis of ∼1500 schlieren-bound structure measurements. Field observations, petrography, and whole-rock geochemistry were integrated to test schlieren formation mechanisms. At a local scale (1 mm–1 m), we find that schlieren-bound structures formed from the surrounding host magma during dynamic magmatic processes such as crystal flow-sorting, magmatic faulting, and folding. Fluidization of the magma mush, interpreted from 1 m to 1 km wide domains of clustered schlieren-bound structures, appears to have operated within a hydrogranular medium, or “crystal slurry” (Bergantz et al., 2017). At the regional scale (10’s km), outward younging patterns of troughs, migrating tubes, and plumes indicate that the mush convected, driven by intrusion of new pulses. Troughs and planar schlieren are weakly oriented parallel to nearby major unit contacts, which could be related to internal mush convection or effects of high thermochemical gradients at internal unit boundaries. We hypothesize that these younging patterns and orientations have the potential to constrain the size of mobile magma mixing regions, that in the TIC extended to a minimum of 150 km2 (∼1500 km3) and were long-lived (>1 m.y). These require the generation of extensive melt-present reservoirs that could flow magmatically, formed from the amalgamation of intruding magma pulses, and precludes dike, sill, or laccolith emplacement models. We conclude that schlieren-bound structures are faithful recorders of the multi-scale, hypersolidus evolution of upper-crustal magma bodies, and represent useful tools for studying plutonic systems. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-07-24 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/144987 Ardill, Katie E.; Paterson, Scott Robert; Stanback, Jonathan; Alasino, Pablo Horacio; King, James J.; et al.; Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers; Frontiers Media; Frontiers in Earth Science; 8; 190; 24-7-2020; 1-35 2296-6463 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/144987 |
identifier_str_mv |
Ardill, Katie E.; Paterson, Scott Robert; Stanback, Jonathan; Alasino, Pablo Horacio; King, James J.; et al.; Schlieren bound magmatic structures record crystal flow sorting in dynamic upper crustal magma mush chambers; Frontiers Media; Frontiers in Earth Science; 8; 190; 24-7-2020; 1-35 2296-6463 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.3389/feart.2020.00190 info:eu-repo/semantics/altIdentifier/url/https://www.frontiersin.org/articles/10.3389/feart.2020.00190/full |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Frontiers Media |
publisher.none.fl_str_mv |
Frontiers Media |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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13.070432 |