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Topological properties of random crack networks

Authors:	N H Gray J B Anderson J D Devine and J M Kwasnik

Institution:	(1) Department of Geology, University of Connecticut, 06268 Storrs, Connecticut, USA

Abstract:	The junctions of cracks in mudcrack, patterned ground, and columnar joint patterns can be categorized into Y, T,and Xtypes. The mean number of sides, $\tilde g$ ,to the polygonal areas in such nets is $\tilde \bar g$ = 2(2J_T + 3J_Y + 4J_X)/(J_T + J_Y + 2J_X)where J_T, J_Y,and J_X are the proportions of T, Y,and Xjunctions, respectively.

Keywords:	plane nets mudcracks patterned ground columnar jointing
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