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Gradients in silicic eruptions caused by rapid inputs from above and below rather than protracted chamber differentiation

Author
KNESEL, Kurt M1 ; DUFFIELD, Wendell A2
[1] Department of Earth Sciences, University of Queensland, Brisbane, Qld 4072, Australia
[2] Geology Department, Northern Arizona University, Flagstaff, AZ, 86011, United States
Issue title
Large silicic magma systems
Author (monograph)
DA SILVA, Shanaka (Editor)1 ; BACHMANN, Olivier (Editor)2 ; MILLER, Calvin (Editor)3 ; YOSHIDA, Takeyoshi (Editor)4 ; KNESEL, Kurt (Editor)5
[1] Department of Geosciences, Oregon State University, Corvallis, OR, United States
[2] Université de Genève, Département de Minéralogie, Genève, Switzerland
[3] Earth and Environmental Sciences, Vanderbilt University, Nashville, TN, United States
[4] Tohoku University, Department of Earth Science, Sendai, Japan
[5] School of Physical Sciences, The University of Queensland, Brisbane, Qld, Australia
Source

Journal of volcanology and geothermal research. 2007, Vol 167, Num 1-4, pp 181-197, 17 p ; ref : 2 p.1/4

CODEN
JVGRDQ
ISSN
0377-0273
Scientific domain
Geology; Geophysics
Publisher
Elsevier, Oxford
Publication country
United Kingdom
Document type
Article
Language
English
Author keyword
chemical zonation differentiation magma mixing silicic magma wall-rock contamination
Keyword (fr)
Analyse éléments traces Ar 40-Ar 39 Chambre magmatique Composition siliceuse Contamination Coulée lave Datation Différenciation magmatique Dôme Eponte Eruption Haute résolution Hétérogénéité Ignimbrite Mixage Nd 144-Nd 143 Phénocristal Plasma couplé inductivement Rhyolite Roche encaissante Réservoir Sanidine Spectrométrie masse Sr 87-Sr 86 Terre rare Variation séculaire Zonation Gradient Nouveau Mexique Amérique du Nord Feldspath K Feldspath alcalin Feldspath Pyroclastite Roche ignée Roche volcanique Silicate Tectosilicate Etats Unis
Keyword (en)
trace-element analyses Ar-40/Ar-39 magma chambers siliceous composition contamination lava flows dating magmatic differentiation domes wallrocks eruptions high resolution heterogeneity ignimbrite mixing Nd-144/Nd-143 phenocrysts inductively coupled plasma rhyolites country rocks reservoirs sanidine mass spectroscopy Sr-87/Sr-86 rare earths secular variations zoning New Mexico North America K-feldspar alkali feldspar feldspar pyroclastics igneous rocks volcanic rocks silicates framework silicates United States
Keyword (es)
Análisis elementos traza Cámara magmática Composición silícea Contaminación Colada lava Fechado Diferenciación magmática Domo Hastial Erupción Alta resolucion Heterogeneidad Ignimbrita Mezcla Fenocristal Riolita Roca encajante Sanidina Espectrometría masa Sr 87-Sr 86 Tierras raras Variación secular Zonalidad Nuevo Mexico America del norte Feldespato K Feldespato alcalino Feldespato Roca ignea Roca volcánica Silicato Estados Unidos
Classification
Pascal
001 Exact sciences and technology / 001E Earth, ocean, space / 001E01 Earth sciences / 001E01B Geochemistry / 001E01B03 Soil and rock geochemistry

Pascal
001 Exact sciences and technology / 001E Earth, ocean, space / 001E01 Earth sciences / 001E01C Isotope geochemistry. Geochronology / 001E01C01 Isotope geochemistry

Pascal
001 Exact sciences and technology / 001E Earth, ocean, space / 001E01 Earth sciences / 001E01F Crystalline rocks / 001E01F01 Igneous and metamorphic rocks petrology, volcanic processes, magmas

Discipline
Earth sciences
Origin
Inist-CNRS
Database
PASCAL
INIST identifier
19859265

Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS

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