 Petrochemicals represent 28.1% of the state's manufacturing and ranks first nationally.There are 22 petrochemical plants, with the most important being La Cangrejera, Jáltipan de Morelos, Poza Rica, Cosoleacaque, Pajaritos and Minatitlán.The "Golden Lane" ("Dos Bocas-Alamo structure" or The Ridge") refers to a series of oil fields aligned in an arc onshore and a symmetrical alignment offshore, forming two sides of a Cretaceous atoll 180 km long.