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You are browsing the archive for 2010 February 16.

16 February 2010

Graded bed sample

Today during Physical Geology lab, I used our grinding wheel to plane down a turbidite sample than I collected this past December down in Chilean Patagonia. Thanks to the technological miracle of blogging via iPhone, I can send it to you in a mere 45 seconds. Enjoy the graded bed: let it transport you back to the Cretaceous, in a deep marine basin with periodic influxes of mud and sand. …

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Mini debris flow

Small-scale debris flows as a muddy slurry flowed over weathered-out chunks of the Bishop Tuff. Probably about two days old. Southern edge of the Volcanic Tableland, last September.

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