How Australia''s silica industry is growing without fracking
· The mine supplies Australia''s largest container glass plant at Croydon, Adelaide. Production of crushed quartz from the 23-Mile quarry, 37km northwest of Whyalla, was estimated at 26,000 tonnes in 2013. Now operated by OneSteel Manufacturing Pty Ltd, BHP Ltd commenced mining of lump silica from 23-Mile in 1949.