Note: This is a scheduled post, I'm traveling right now. If you leave a comment I might not be able to respond for another week or so.
This week's Seafloor Sunday is from the southern coast of England and nicely shows folding of the Jurassic (200-145 million years old) Kimmeridge Clay offshore. This plunging fold shows up so well as a result of the well-banded character of the clay unit, which forms ridges. In some cases, high-resolution bathymetric data like this can reveal structural deformation not recognizable onshore because of erosion. This image reminds me of a similar image showing the geology offshore of Half Moon Bay just south of San Francisco.
This image and many more can be found on this great site by Ian West about the geology of Wessex Coast. Here's a map from Google Earth zooms out to show the regional context.
Images: (1) Geology of the Wessex Coast of Southern England, by Ian West / link (2) Google Earth
