Distributions of coals and evaporites as a function of annual mean net precipitation (Precipitation-Evaporition). (IMAGE)

Science China Press

Distributions of coals and evaporites as a function of annual mean net precipitation (Precipitation-Evaporition).

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(a) net precipitation distributions of coals in the past 410 million years, (b) histogram of total coal records over the past 410 million years, (c) net precipitation distributions of evaporites in the Phanerozoic, and (d) histogram of total evaporite records in the Phanerozoic.

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