Sinkholes form when water erodes the supporting bedrock away. They are more common in areas where carbonates, including dolomite and gypsum, formed as water evaporated to create bedrock.Know More
Carbonates are highly soluble in acidic aqueous solutions, including acid rain. Acid rain causes channels to form within the bedrock and subsequent rainfall continues the erosion process. As channels grow larger, some combine until the underlying structure collapses. Without the support of bedrock, the upper layers of soil collapse into the hole, forming the sinkhole.
One area that sinkholes are common is Florida, because of the abundance of marshlands and frequent rains. However, sinkholes do form in many areas across the United States.Learn more about Erosion & Weathering
Erosion occurs as a result of wind and water moving across earth and picking up part or all of dirt or rocks. By definition, erosion only requires earth to be moved, but in most cases, rocks or land are also worn down or broken into pieces.Full Answer >
Chemical erosion occurs when water transports dissolved minerals away from their source rocks. It follows chemical weathering, which results from the chemical alteration of rock by water. Chemical erosion is most common with limestone; slightly acidic rainwater dissolves calcium carbonate in the rock and redeposits it, sometimes far away, as in stalagmites and stalactites. Through oxidation, chemical erosion also occurs to some degree with unstable igneous minerals and iron-rich rocks.Full Answer >
Erosion is caused by water, wind and ice. All types of rock and soil are affected by erosion. It is a natural process, although it can be influenced by the actions of people.Full Answer >
Acid rain contaminates water and soil, killing microbes, insects, fish, and other aquatic wildlife and vegetation. It corrodes stone and metal, and it damages automotive paint. Although contact with acid rain is not directly harmful to people, it can indirectly cause health problems.Full Answer >