burrowing and bedding

David Campbell (bivalve@mailserv0.isis.unc.edu)
Tue, 9 Dec 1997 21:52:55 -0400

My experience is mostly with the Cenozoic deposits of the southeastern
U.S., but in those, bedding is usually entirely lacking. The only distinct
layers are unconformities or gradational lithologic changes, and these are
frequently heavily burrowed.

David Campbell