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 Mid section is Mediterranean sediment from exit of Rhone River, bottom is from mouth of Amazon River, and top is a mixture of foraminifera-rich sediments from Atlantic waters ("melted seafloor communities.")

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 5.75" x 3"
Brown area is the sediment glaze from mouth of the Amazon River. Copper glaze shows areas of reducing and oxidizing atmosheres where color changes from green to red -- tracks of how draft pulled air through the kiln around pots in the chamber.

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