Recent content by ngruman

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    Why Do Pennsylvanian Rock Formations Appear as Strips?

    You have a trace fossil here called a worm burrow where a critter crawled through the carbonate mud and the void space that was left was then subsequently filled by sand that has been loosely cemented. Unfortunately, it isn't possible to tell exactly which sort of critter made the burrow...
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    Why Do Pennsylvanian Rock Formations Appear as Strips?

    Your "swimming yams" look like rip-up clasts from some sort of flow - based on how they are aligned. Do you happen to know what the matrix is surrounding the yams? And what are the yams made out of?