SANTIAGO, May 30 (Reuters) - Chile's state-owned mining company Codelco said on Tuesday its exploration campaign of the Maricunga salt flats has been "extraordinarily successful."

In a statement, the company said the country's northern Maricunga salt flats also have the second highest lithium concentration in the world. (Reporting by Fabian Cambero; Writing by Valentine Hilaire; Editing by Isabel Woodford)