The rock maze is formed along joints in upper Pottsville and lower Allegheny conglomeratic sandstone wedging the rock apart. Some of the pathways are as wide as a meter. Stop 4 of Adams et al.
References
Page 41 - Adams, R. K., 2017, Pleistocene periglacial features of the Pittsburgh low plateau and upper Youghiogheny basin: Geol. Soc. Am. Field Guide 46, p. 29-45.
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