Chemical
Weathering
Weathering is the process that breaks rocks down into smaller pieces, eventully creating soil. The above
weathering is when chemicals in precipitation and the air decompose the
minerals inside the rocks. As seen in the previous photo, there has been a
grotto carved out of a cliff, and some of the granite at the bottom is split and chipped.
Acid rain and pollution are far more powerful at eroding than sulphuric acid, and create far
more iron oxide dust than the average chemicals in precipitation. To get this
red dust, the O2 (oxygen) in the air combines with iron in minerals. Frankly, where you
can see red dirt, (like

Back to "The Changing Surface of the Earth"
Copyright Info About the Author Credits Activities (1) (2) Site Map Glossary