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Experimental petrology: Quantitative boundaries for petrogenesis

Wyllie, Peter J. (1990) Experimental petrology: Quantitative boundaries for petrogenesis. Journal of Earth System Science, 99 (1). pp. 5-19. ISSN 0253-4126. doi:10.1007/BF02871892.

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The paper is an overview of the current status on experimental petrology — its objectives and its major role in solving problems related to various earth processes. It describes how investigations related to solid-solid transitions, dehydration or decarbonation reactions, and melting studies have helped to formulate petrological models for the earth’s internal structure. It also describes how measurements of physical properties of minerals, melts and vapour under extreme conditions have provided vital information of fluid dynamics of magmatic systems. The paper narrates the role of experimental petrology in calibrating geophysical processes with petrological consequences. Model P-T-X (SiO_2)-fluid systems are considered to emphasize the role of various gas species in shifting the solidus in a P-T space, in degrees of melting and composition of the melt. Synthetic models and study of whole rock systems are considered to discuss the zonation and metasomatic processes in the mantle of the earth. The paper is also concerned with mantle convection and the uprise of thermal plumes, particularly, in the oceanic environment. It discusses the petrological structures associated with the plume and shows how static petrological maps are modified by the dynamics of the plumes.

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Additional Information:© 1990 Springer International Publishing AG. This research was supported by the Earth Science Section of the US National Science Foundation (grant EAR87-19792) and the California Institute of Technology, Division of Geological and Planetary Sciences contribution 4837.
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Subject Keywords:Petrogenesis – synthetic model systems, whole rock systems, mantle peridotite thermal structure, mantle plume
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Caltech Division of Geological and Planetary Sciences4837
Issue or Number:1
Record Number:CaltechAUTHORS:20160114-081457948
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:63671
Deposited By: Tony Diaz
Deposited On:14 Jan 2016 19:39
Last Modified:10 Nov 2021 23:19

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