Weathering is the deterioration of rocks, soils and minerals as well as wood and artificial materials through contact with water, atmospheric gases, and biological organisms. Weathering occurs in situ (on site, with little or no … See more

Buildings made of any stone, brick or concrete are susceptible to the same weathering agents as any exposed rock surface. Also statues, monuments and ornamental … See more

Granitic rock, which is the most abundant crystalline rock exposed at the Earth's surface, begins weathering with destruction of hornblende. Biotite then weathers to vermiculite, and finally oligoclase and microcline are destroyed. All are converted into a … See more

Most rock forms at elevated temperature and pressure, and the minerals making up the rock are often chemically unstable in the relatively cool, … See more

Weathering of basaltic oceanic crust differs in important respects from weathering in the atmosphere. Weathering is relatively slow, with basalt becoming less dense, at a rate of about 15% per 100 million years. The basalt becomes hydrated, and is … See more

Wood can be physically and chemically weathered by hydrolysis and other processes relevant to minerals, but in addition, wood is … See more

• Salt weathering of building stone on the island of Gozo, Malta
• Salt weathering of sandstone near Qobustan, Azerbaijan
• Permian sandstone wall near Sedona, Arizona, United States, weathered into a small alcove See more