Articles | Volume 10, issue 3
https://doi.org/10.5194/se-10-621-2019
https://doi.org/10.5194/se-10-621-2019
Research article
 | 
13 May 2019
Research article |  | 13 May 2019

Experimental grain growth of quartz aggregates under wet conditions and its application to deformation in nature

Junichi Fukuda, Hugues Raimbourg, Ichiko Shimizu, Kai Neufeld, and Holger Stünitz

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Short summary
Grain size is a key factor for deformation. Quartz is one of the main constituents of the crust, but little is known about grain growth that can change grain size. We therefore experimentally determined grain growth laws for quartz. We discuss the importance of the grain size exponent, water fugacity exponent, and activation energy. Our results indicate that the contribution of grain growth to deformation may become important in lower-crustal conditions.