The Baker Beach Rocks
 
14 - Close-up of single turbidite layer.

 
Close-up of a three turbidity current deposited layers concentrating on the middle one.  While it is gray and relatively coarse particles near the top one can see an alternation of light and dark material near the middle of the layer created by alternations of sand and shale being deposited. Near the bottom the layer is almost entirely fine grained shale.
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