VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 01/17/12 -- Mariana Resources Ltd (TSX: MRY)(AIM: MARL)(PLUS: MARL) ('Mariana' or 'the Company'), the AIM and TSX quoted exploration and development company in Argentina and Chile, advises that the Board has changed the exercise price of 1,500,000 options expiring 1 February 2015 exercisable at 60 pence per share, to be exercisable at 12 pence per share. The exercise
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