Hulla

11/05/2021 102 Palabras

[Del fr. houille]. Carbón (v.) de piedra que se conglutina, al arder, y calcinado en vasos cerrados, da coque. Los recursos españoles de hulla son de seis mil millones de toneladas (teóricas) y tres mil millones (explotables) en las cuencas de Asturias, Villablino (León), Teruel, Pirineos y Mequinenza (Zaragoza).

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