Kingsgate Consolidated is set to acquire Dominion Mining for $334m.
Dominion owns the Challenger gold mine in South Australia and gold and base metals projects in Western Australia.
Eurasian Natural Resources has acquired Brazil's Mineracao Minas Bahia (MIBA) and 51% of Mineracao Peixe Bravo (MPB) .
The total consideration of the combined transactions is $250m.
MIBA owns the mineral rights to the significant Jiboia Project, while MPB is an entity with a number of exploration licences in the north of the Brazilian state of Minas Gerais.
Thompson Creek Metals has completed the acquisition of rival mining company Terrane Metals Corporation.
Vunani has acquired 37.5% stake in coal miner Black Wattle's Bisichi Mining operation in Middelburg, South Africa.
Sterling Group Ventures has signed an agreement with Chenxi County Hongyu Mining, which holds a business license and a mining permit on a 42.5ha property, that holds 58.16 million tons of phosphate resources.
Afrimat is set to acquire the Glen Douglas dolomite mine, owned by Exxaro.
Castle Resources has acquired Granduc Copper Mine ion British Columbia, Canada, from Bell Copper Corporation.
Rio Tinto and BHP Billiton have ended plans for an iron ore production joint venture in Pilbara, Western Australia.