Articles | Volume 10, issue 3
Solid Earth, 10, 621–636, 2019
https://doi.org/10.5194/se-10-621-2019
Solid Earth, 10, 621–636, 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 et al.

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AR by Junichi Fukuda on behalf of the Authors (12 Apr 2019)  Author's response    Manuscript
ED: Publish as is (23 Apr 2019) by David Healy
ED: Publish as is (24 Apr 2019) by Federico Rossetti(Executive Editor)
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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.