A lime stone cave in Saudi Arabia (IMAGE)

Max Planck Institute for Chemistry

A lime stone cave in Saudi Arabia

Caption

Speleothems, or dripstones, are excellent climate archives because the chemical composition of the calcium carbonate in speleothems changes with the climatic conditions above the cave. The picture shows a cave in the north of Saudi Arabia.

Credit

Hubert Vonhof, Max Planck Institute for Chemistry

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License

CC BY-NC-SA

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