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Occurs on rocks containing calcium carbonate, such as limestone and chalk.

Rainwater and dissolved carbon dioxide mix to form a weak carbonic acid.

Calcium carbonate in the rocks reacts with the acidic water and dissolves leaving behind calcium bicarbonate.

This compound is soluble and is easily washed away by running water.

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11y ago
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1w ago

In geography, carbonation refers to the chemical weathering process where carbon dioxide in rainwater and soil water causes minerals in rocks to dissolve, leading to erosion. This process plays a significant role in the formation of karst topography, such as limestone caves and sinkholes.

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Q: What is carbonation in geography?
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