The owner of the historic Christmas Island phosphate rock mine has been quietly absorbed by its biggest shareholder in a $100 million deal designed to cut costs and streamline management ranks.

Shares in MACA were higher after the company reiterated full-year revenue guidance despite the mining contractor being affected by the suspension of operations at the Paroo Station lead mine in the Goldfields.

Shares in Resolute Mining jumped today, bolstered by the higher gold price and positive drilling results from its Bibiani gold project in Ghana.

Shares in Mincor Resources surged after the company announced drilling results, which it said might indicate a new high-grade nickel discovery at its Cassini prospect in the Kambalda nickel district east of Perth.

WA's mining sector has been delivered another forecast of a bleak outlook amid ever-louder calls for the need to batten down the hatches and sit on cash.

Police have launched the second phase of their drug crackdown on the state's mining industry, with operations at two sites in the North West this week.

MMG Chief Executive Andrew Michelmore says the copper rout on global markets has more to do with commodity price speculation than market fundamentals, tipping a price recovery for the industrial metal in the second half of the year.

David Byers, the oil and gas industry's chief lobbyist, has quit the Australian Petroleum Production & Exploration Association to take up a senior role at BHP Billiton.

Gina Rinehart's Roy Hill iron ore mine has been issued two prohibition notices over safety concerns.

Doray Minerals has declared its takeover offer for Mutiny Gold unconditional after securing more than 75 per cent of the company's issued capital.

South Boulder Mines has raised $2.05 million in a placement to a Hong Kong-based investor priced at a premium to its last trading price.