iron sand mining
The History of Ironsand | New Zealand SteelAfter extensive trials, the New Zealand Steel Mill at Glenbrook opened in 1970 with an ironsand mine located at the mouth of the Waikato River. The company also has a mining site at Taharoa, 150 kms south of Auckland and a few kilometres south of Kawhia Harbour. This ironsand deposit covers 1,600 hectares with.iron sand mining,Waikato North Head Mine Site | New Zealand SteelWaikato North Head Mine Site. Up to 1.2 million tonnes of sand is mined each year at the Waikato North Head mine. The deposit contains more than 150 million tonnes of ironsand.Controversial plan to mine seabed for iron ore approved in split .Aug 10, 2017 . Taranaki iron sands project approved by a 'casting vote', but opponents vow High Court appeal.