Chemical+weathering

 Chemical processes involved in weathering include [|carbonation] (breakdown by weakly acidic rainwater), hydrolysis (breakdown by water), hydration (breakdown by the absorption of water), and oxidation (breakdown by the oxygen in air and water). The reaction of carbon dioxide gas in the atmosphere with [|silicate] minerals in rocks to produce carbonate minerals is called the ‘Urey reaction’ after the chemist who proposed it, Harold [|Urey]. The Urey reaction is an important link between Earth's climate and the geology of the planet. It has been proposed that chemical weathering of large mountain ranges like the Himalayas can remove carbon dioxide from the atmosphere by the Urey reaction (or other more complicated reactions like it), leading to a cooler climate as the [|greenhouse effects] of the lost carbon dioxide are diminished.

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