Uploaded January 2007 | Updated September 2026, 1 week ago

---

Stratification is produced by bedforms and can be used to interpret flow conditions. In this video, I summarize where deposition and erosion occur on a ripple or dune, how that relates to the boundary layer, and the cross stratification produced. You can see my lecture notes on sedimentary structures at dawnssedstrat.blogspot.com/2011/01/lecture-4-sedimentary-structures.html and the first part of dawnssedstrat.blogspot.com/2011/01/lecture-5-bedforms-continued-and-facies.html