mineral bauxita

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Bauxite MRN

Bauxite is a reddishcolored rock, formed through laterization processes (transformation of minerals through climate action in a tropical climate) and made up of ...

PDVSA

SOMOS PDVSA. PDVSA planifica, coordina, supervisa y controla las actividades de exploración, explotación, transporte, manufactura, refinación, almacenamiento ...