Case Study Blasting of Large Vertical Rock Protrusions Boral, Peats Ridge Quarry, NSW Page 1 | © Copyright Orica Limited Group www.oricaminingservices.com | Document reference: 200373 Site Profile Boral’s Peats Ridge Quarry, which is located in NSW on the central coast, produces about 800,000 tonnes of hard rock aggregates annually and, together with Dunmore and Peppertree Quarries, supplies the Sydney Greater Metropolitan area. Pe

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