convergent plate boundary

American  

noun

1. Geology. the boundary between two tectonic or crustal plates that are coming into contact. Compare divergent plate boundary.

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convergent plate boundary Scientific  

/ kən-vûr′jənt /

1. A tectonic boundary where two plates are moving toward each other. If the two plates are of equal density, they usually push up against each other, forming a mountain chain. If they are of unequal density, one plate usually sinks beneath the other in a subduction zone. The western coast of South America and the Himalayan Mountains are convergent plate boundaries.

2. Also called active margin collision zone

3. See more at tectonic boundary Compare divergent plate boundary

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Example Sentences

What is the primary mechanism for partial melting at a convergent plate boundary?

From Textbooks • Jan. 1, 2015