If the formations are indeed pertified wood (is it possible to tell from the photographs one way or another?), is there a naturalistic explanation for their "hewn" appearence?
From the pictures it looks like shale {ABE - or slate, depending on grain size}, a common fine-grained sedimentary rock. You can see eroded chips of it all over.
However, I would like a sample to be more definitive, hope they don't all magically disappear as has happened in the past with much of Wyatt's "evidence."
Edited by anglagard, : add slate
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