mechanical weathering

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mechanical weathering The in situ breakdown of rocks and minerals by a set of disintegration processes that do not involve any chemical alteration. The chief mechanisms are: crystal growth, including gelifraction and salt weathering; hydration shattering; insolation weathering (thermoclastis); and pressure release.

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mechanical weathering The in situ breakdown of rocks and minerals by a set of disintegration processes that do not involve chemical alteration. The chief mechanisms are: crystal growth, including frost wedging and salt weathering; hydration shattering; insolation weathering (thermoclastis); and pressure release.