Science Fair Project Encyclopedia
The most general definition of mountain range is a group of mountains bordered by lowlands. Mountain ranges are usually separated from other mountain ranges by passes and rivers. In the general definition, a mountain range does not necessarily have the same geology.
The geological definition of a mountain range (also cordillera or sierra) is a grouping of mountains (often elongated) sometimes caused by tectonic plate interactions. The Himalaya in Asia are the result of the India plate hitting the Asian plate.
Singular mountains are often the result of volcanic processes but in some instances, such as the Hawaiian Islands these processes can result in a chain of mountains that might be considered a mountain range.
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