Articles | Volume 10, issue 3
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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Subject area: Crustal structure and composition | Editorial team: Structural geology and tectonics, paleoseismology, rock physics, experimental deformation | Discipline: Structural geology
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Cited articles

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Austin, N. J. and Evans, B.: Paleowattmeters: A scaling relation for dynamically recrystallized grain size, Geology, 35, 343–346,, 2007. 
Bose, K. and Ganguly, J.: Experimental and theoretical studies of the stabilities of talc, antigorite and phase A at high pressures with applications to subduction processes, Earth Planet. Sc. Lett., 136, 109–121,, 1995. 
Brook, R. J.: Controlled grain growth, in: Treatise on Materials Science and Technology, Vol. 9, edited by: Wang, F. F. Y., Academic Press, New York, 331–364,, 1976. 
Cox, S. F. and Etheridge, M. A.: Crack-seal fibre growth mechanisms and their significance in the development of oriented layer silicate microstructures, Tectonophysics, 92, 147–170,, 1983. 
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.