2017-1-9 · the other to mine iron sands in the South Taranaki Bight. Seabed mining, at the scale and depth of these two projects, is new to New Zealand. The closest equivalent activity to these projects currently taking place in New Zealand, however, would be the extensive dredging of harbours and shipping lanes that takes place on a regular
2021-8-26 · The Mining Operation. The well known black sand beaches sweeping down the west coast of the North Island are the sites of New Zealand''s greatest known reserves of ironsand. Its potential for commercial use was recognised from the early days of European settlement. This black ironsand was formed 2.5 million years ago from rock deposited on the ...
2021-8-26 · A magnetic concentrate is extracted via a series of separation processes, then mixed with water to create a slurry (a 50:50 mix of water and (concentrate). By products – or tailings – from this process are used for site rehabilitation. Fresh water used in the processing and the slurry is drawn from a lagoon adjacent to the Waikato River.
2021-9-21 · The Birth of New Zealand Steel. New Zealand Steel Limited was incorporated in 1965. The long-term vision of those behind it was to establish a steel industry that would utilise the abundant local raw materials. In 1966, construction started on a mill at Glenbrook, 65 kilometres south east of Auckland.
TTR is a New Zealand company, majority owned by New Zealand shareholders, established in 2007 to explore and produce iron ore from vast offshore iron sand deposits. TTR''s resource is a vanadium-titanomagnetite iron sand deposit lying in water depths from around 20m to 70m, over 20kms out to sea.
Taharoa ironsands mining, circa 1974. Cover image, New Zealand Engineering, Vol. 29:5 (May 1974). Taharoa, an isolated and exposed location on the North Island''s west coast, has the largest deposits of ironsand ( titanomagnetite) in New Zealand. There was an estimated 300 million tons of concentrate available when the mining …
2020-11-17 · 2020-11-17 · Iron sand mining decision too focused on environment, firm tells Supreme Court. 8:23 pm on 17 November 2020. Meriana Johnsen, Journalist. [email protected] .nz. Environmental protection was weighted too heavily when consent to mine iron sand …