convergent plate boundary

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con·ver·gent plate boundary

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 to form a mountain chain. If they are of unequal density, one plate usually sinks (subducts) beneath the other. Also called collision zone. See more at tectonic boundary. Compare divergent plate boundary.
References in periodicals archive ?
This highly active convergent plate boundary extends along both sides the Philippine Islands, from Luzon in the north to the Celebes Islands in the south.

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