When magmas erupt at the surface, they may have undergone many changes since their inception. While olivine drives some of these changes through crystallization and fractionation, it also records the magma evolution via mineral chemistry and by trapping mineral and melt inclusions. Olivine is an effective recorder of intensive parameters, such as temperature and melt composition, and provides an outstanding petrological tool for constraining dynamic processes, such as ascent, mixing, and cooling. Olivine sheds light on magmatic puzzles that involve both mafic and more evolved magmas, with protracted and complex magmatic histories that often obscure earlier and deeper processes. This contribution summarizes the current state of how olivine helps reconstruct source-to-surface magma assembly through its chemistry, inclusions, and textures.
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Research Article|
June 01, 2023
Olivine Exit Interviews—Piecing Together Magmatic Puzzles
Philipp Ruprecht;
University of Nevada, Reno Department of Geological Sciences and Engineering, 1664 N. Virginia Street, Reno, NV 89557-0172, USA
E-mail: [email protected]
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Benoît Welsch
Macalester College, Geology Department, 1600 Grand Avenue, Saint Paul, MN 55105-1899, USA
E-mail: [email protected]
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University of Nevada, Reno Department of Geological Sciences and Engineering, 1664 N. Virginia Street, Reno, NV 89557-0172, USA
E-mail: [email protected]
E-mail: [email protected]
Publisher: Mineralogical Society of America
First Online:
06 Sep 2023
Online ISSN: 1811-5217
Print ISSN: 1811-5209
Copyright © 2023 by the Mineralogical Society of America
Mineralogical Society of America
Elements (2023) 19 (3): 158–164.
Article history
First Online:
06 Sep 2023
Citation
Philipp Ruprecht, Benoît Welsch; Olivine Exit Interviews—Piecing Together Magmatic Puzzles. Elements 2023;; 19 (3): 158–164. doi: https://doi.org/10.2138/gselements.19.3.158
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Index Terms/Descriptors
- alkaline earth metals
- chemical properties
- crystal fractionation
- crystal growth
- crystallization
- diffusion
- embayments
- fluid inclusions
- inclusions
- iron
- magma chambers
- magmas
- magmatism
- magnesium
- melt inclusions
- metals
- nesosilicates
- olivine
- olivine group
- orthosilicates
- physical properties
- rheology
- silicates
- zoning
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