weathering

thumb|upright=1.35|A natural arch produced by erosion of differentially weathered rock in Jebel Kharaz ([[Jordan)]]

AI overview

Weathering is the process by which rocks break down and wear away over time due to exposure to natural forces like wind, water, and temperature changes. It matters because it shapes landscapes, creates features like natural arches, and contributes to the formation of soil that supports life.

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Image: KharazaArch.jpg

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Commons gallery: Weathering
Commons category: Weathering

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~27 min read

Article

19 sections

Contents

Physical
Frost
Thermal stress
Pressure release
Salt-crystal growth {{anchor|Salt weathering}}
Biomechanical relationship
Chemical
Dissolution
Hydrolysis and carbonation
Oxidation
Hydration
Biological
Ocean floor
Buildings
Soil
Wood, paint and plastic
Gallery
See also
References

thumb|upright=1.35|A natural arch produced by erosion of differentially weathered rock in Jebel Kharaz ([[Jordan)]]

Weathering is the deterioration of rocks, soils and minerals (as well as wood and artificial materials) through contact with water, atmospheric gases, sunlight, and biological organisms. It occurs in situ (on-site, with little or no movement), and so is distinct from erosion, which involves the transport of rocks and minerals by agents such as water, ice, snow, wind, waves and gravity.