Peabody Energy and Arcelor Mittal's joint venture has made an offer to acquire all the shares of Macarthur Coal for a total value of A$4.7bn (US$5bn) in an off-market takeover.
Under the proposal, Macarthur shareholders would be offered a cash price of A$15.50 a share.
Macarthur Coal has production and development assets in the Bowen Basin, Australia, including the Coppabella and Moorvale joint venture and Middlemount mine.
Canada's Northgate Minerals has entered into agreement to acquire Primero Mining for C$370.4m (US$383.7m), to form a new mid-tier gold producer.
The new entity will have a market value of about C$1.2bn (US$1.25bn) and its assets will include Northgate's Fosterville and Stawell gold mines in Australia along with Primero's San Dimas gold mine in Durango.
Stillwater Mining has entered into a definitive agreement with Peregrine Metals to acquire all of the outstanding shares of Peregrine for a total value of US$487.1m.
Upon completion of the transaction, Stillwater and Peregrine shareholders will own around a 89.5% and 10.5% stake of the combined company on a fully diluted basis.
Sichuan Hanlong Group's subsidiary Hanlong Mining Investment has made proposal to acquire 100% of Australia-based Bannerman Resources for A$0.61 (US$0.65) in cash per Bannerman share, with total value equal of A$143m (US$153m).
With this acquisition, Hanlong will hold stakes in two uranium properties in Namibia.
Xstrata Zinc Canada has agreed to purchase the remaining 23.6% interest in the Pallas Green property in the Republic of Ireland, which is owned by its current joint venture partner Minco, for $19.4m.
Under the terms of the agreement, Xstrata Zinc will become the sole owner of the project at Cahernconlish, Limerick County.
The Pallas Green property, has a resource estimate of 25.9 million tons with 7.51% zinc and 1.38% lead at a 4% cut off.