BHP Billiton opens $3.4 billion Caval Ridge coking coal mine

摘要

BHP Billiton opened the $3.4 billion Caval Ridgecoking coal mine with partner Mitsubishi in a ceremonyMonday at the Queensland site attended by Australian PrimeMinister Tony Abbott.Caval Ridge is BHP Billiton Mitsubishi Alliance’s eighthoperation in the region and will initially produce up to 5.5million mt/year of premium quality metallurgical coal, thecompany said.