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15 - Formation of Chondrules by Shock Waves

from Part II - Possible Chondrule-Forming Mechanisms

Published online by Cambridge University Press:  30 June 2018

By
Melissa A. Morris  and
Aaron C. Boley
Edited by
Sara S. Russell ,
Harold C. Connolly Jr.  and
Alexander N. Krot
Sara S. Russell
Affiliation:
Natural History Museum, London
Harold C. Connolly Jr.
Affiliation:
Rowan University, New Jersey
Alexander N. Krot
Affiliation:
University of Hawaii, Manoa
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Summary

Nebular shock heating is one of the most fully developed and rigorous models for chondrule formation, and is also the most consistent with the meteoritic record. In this review, we compare the results of current shock modeling to the wealth of meteoritic observations, to highlight where there is agreement and where there is potential failure of the models. The discussion is focused on gravitational disk instability-driven, large-scale shocks and on local bow shocks, with attention to the astrophysical setting for both. We suggest that more than one shock driver may be physically motivated and necessary to explain the variety of chondrules.

Type
Chapter
Information
Chondrules
Records of Protoplanetary Disk Processes
 , pp. 375 - 399
Publisher: Cambridge University Press
Print publication year: 2018

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