India, Feb. 18 -- Rio Tinto announced that Mitsui & Co. agreed to acquire a 40% interest in the Rhodes Ridge Joint Venture from Rio Tinto's partners.

Mitsui & Co. has agreed to acquire all of VOC Group Limited's 25% interest in the joint venture.

Separately, Mitsui & Co. has entered into a heads of agreement to acquire a further 15% interest in the RRJV from AMB Holdings Pty Ltd.

Mitsui & Co. and Rio Tinto are long-standing partners at the Robe River Joint Venture.

Rio Tinto's 50% interest in the the Rhodes Ridge Joint Venture and the terms of the joint venture arrangements are unchanged.

Under the heads of agreement, AMB Holdings Pty Ltd would retain a 10% stake in the the Rhodes Ridge Joint Venture.

A pre-feasibility study aimed at ...