The Bouma sequence and turbidite deposits

For a while now, the most popular page on my site has been this one, a photo of a Halloween pumpkin I carved to look like the Bouma sequence.  It is the most popular because people are looking for information about the Bouma sequence, so it is time to do a real post on the …

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Submarine slide captured off Gabon in 2005

"Submarine slide initiation and evolution offshore Pointe Odden, Gabon — Analysis from annual bathymetric data 2004–2009". Check out this paper from the coast of Gabon, where the authors use repeat multibeam surveys to capture a large-scale slope failure very near the coast.  They estimate that more than 2 million cubic meters of sediment were evacuated …

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Conglomeratic submarine canyon fill, Point Lobos, California

Wow, this is one of the best normally graded turbidites I have ever seen!  I saw this at the Point Lobos State Natural Preserve near Monterey, CA on a recent field trip with SPODDS (my former research group) .  These rocks exposed along the Pacific coast have been uplifted by San Andreas transpression, and they are …

Continue reading Conglomeratic submarine canyon fill, Point Lobos, California