Diamond and Gemstone Mining

Prominent engineering construction player wins $174m contract for Argyle underground mine

A prominent engineering construction player has broken into the WA market by securing a $174 million contract to supply Rio Tinto's Argyle underground mine in the Kimberley.

Rio to invest $833m to ramp up underground block cave project at Argyle Diamond Mine

Rio Tinto will invest $833 million to ramp up the underground block cave project at its Argyle Diamond Mine in Western Australia.

Leighton Contractors JV secures major Pacific Highway Sapphire to Woolgoolga Upgrade

Leighton Contractors and its joint venture partner Fulton Hogan have been selected by the NSW Roads and Traffic Authority (RTA) as the preferred proponent for the design and construct contract to deliver the $698 million Pacific Highway Sapphire to Woolgoolga Upgrade project.