copper, a great deal of its mining involves non-metallic minerals as sulfur, silica, feldspar, calcium, kaolin and marble. The state is ranked fourth in the nation for this kind of mining production. However, mining only accounts for 1.5% of economic activity for the entire state.
Veracruz was a pioneer in both the extraction and refining of petroleum products. The state has about one-fourth of Mexico�s petroleum reserves and ranks third in petroleum production. Most of this production is concentrated in the northern part of the state. Approximiately 40,000,000 barrels (6,400,000 m) of oil are produced each year and 109,870,000,000 cubic feet (3.111�10 m) of natural gas. 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, Jaltipan de Morelos, Poza Rica, Cosoleacaque, Pajaritos and Minatitl�n .
Industry, transportation and commerce
The manufacturing industry in Veracruz accounts for between 21% and one third of the state's gross domestic product, and approximately 64% of the manufacturing industry GDP is generated by the chemical and petrochemical sectors. Other products producedinclude metals, processed foods, beverages, printing and publishing, textiles and machinery. Most of the states industry takes place in the municipalities of Coatzacoalcos, Minatitl�n, Cosoleacaque, Poza Rica, C�rdoba, Orizaba, Tuxpan and Veracruz, with over 5,000 establishments. The rest is divided among nearly 11,000 smaller establishments. There are five major industrial parks:Bruno Pagliai, Ixtac, Petroquimico Morelos, C�rdoba-Amatl�n and Parque 2000. The largest of these is Bruno Pagliai, which covers 300.8 hectares.
Transportation and commerce are important factors in the state, mostly linked to importing and exporting through its four deepwater ports. The focus of most of these activities is the port of Veracruz. It has the most favored
