A cross section of a core shows variations in the sediments captured in this particular core. There is a noticeable change in color of sediments, as well as a change in shell material present.
Cross Section
Image courtesy of Proyecto Costa Escondida Maritime Maya 2011 Expedition, NOAA-OER. download larger version (jpg, 3.9 MB).

A cross section of a core shows variations in the sediments captured in this particular core. There is a noticeable change in color of sediments, as well as a change in shell material present.

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