What mountain ranges run down the eastern and western coasts of mexico?

These mountain ranges would be the Sierra Madre Occidental on the west and the Sierra Madre Oriental on the SE. The Sierra Madre Occidental at least has had historically some rich silver deposits. Both mountain ranges are part of the Western Cordillera which stretches from Alaska to the southern tip of South America. 

i didn’t understand your question but archipelagos are groups of island hope this

Answer the zagros mountains, stretch across western iran and are located next to the khuzestan plain; answer( zagros mountains