In geology, one of the most interesting sedimentary structures in sands and
sandstones, is cross-bedding. They occur in many sizes and forms, generated
by all kind of processes, from wind to rivers, to sea.
I have built a macro that simulates at least one type of common cross-bedded
sets: the tabular ones.
The image below is an example of the macro output; the macro itself can be
found, again, in p.b.s-f.

Enjoy!!!

Thomas

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