The Great Chalk is Made of the Remains of Tiny Algae (IMAGE)

Washington University in St. Louis

The Great Chalk is Made of the Remains of Tiny Algae

Caption

The famous White Cliffs of Dover consist of the crushed remains of numberless tiny plates of calcium carbonate formed by organisms called coccolithophores. New experimental work may make it easier to extract the climate signal from their remains.

Credit

National Trust.

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