Welcome to STRATA, SEPM’s stratigraphy web site. This open access site is dedicated to helping understand sedimentary geology, introducing and explaining this from the basic to detailed.  Whether you are an amateur, student or career professional there are materials on site designed to help better understand the science.

You can access exercises involving stratigraphic interpretations of modern depositional settings, outcrops, well logs, and seismic; images of outcrops, rocks and thin sections; movies and streaming lectures; text and graphical discussions of basic ideas and controversial topics. 

All of these materials have been donated by students, teachers and professionals active in the field. You are free to copy and use the materials on this web site for non-commercial purposes; in return we ask you cite us and the site.
Sequence stratigraphy course notes & exercises for professors and students

Index to complete site
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Wednesday, June 19, 2019
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