Technology
Reducing dependence on fixed plant
Blackhead now operates the largest fleet of Metso mobile crushing and screening equipment in the country as it changes its production strategy. Edited by ALAN TITCHALL. IN JULY LAST year Mimico supplied Blackhead Quarries with a Metso Lokotrack LT106 mobile jaw crusher along with an LT200HP mobile cone crusher and an ST3.5 mobile screen for its...
Seabed mining impact projects
THE IMPACT OF commercial-scale mining for polymetallic nodules on deep-sea ecosystems remains a big question amongst scientists. Historically, the first commercial deep-sea test mining was carried out almost 50 years ago, and only a few small-scale commercial test mining or scientific disturbance studies have been carried out since. Those...
Ultra-deepwater mining survey in the Pacific
FUGRO, A DUTCH multinational company that provides geotechnical, survey, subsea, and geoscience services, has started its first project supporting deep-sea polymetallic nodule mining under a contract awarded by seafloor mineral exploration company Nauru Ocean Resources (NORI), a subsidiary of DeepGreen Metals. Its marine geoscience team is making...
Preparing to enter Pike River
The Pike River Recovery Agency, tasked with the Pike River Re-entry, is based in Greymouth. The agency was set up this year with a specific purpose: to develop a plan for safe manned re-entry to the mine drift; to provide advice to Andrew Little (the Minister Responsible for the Pike River Re-entry) on whether that could be safely achieved; and to...
A legacy of innovation
Holcim’s Hastings Quarry has a legacy for getting maximum efficiencies from its equipment for alluvial aggregate production. ALAN TITCHALL talks to Hans Hollis, operations manager aggregates, Hastings, on its past and present machines. HOLCIM’S HASTINGS QUARRY started out as Fraser Shingle and was bought by Hawkes Bay Farmers Transport in...
In his father’s footsteps
Jayden Ellis is technical operations manager for Stevenson Construction Materials group. He joined the company 25 years ago as a trainee laboratory technician. He talks about his career with MARY SEARLE BELL. WHEN HE WAS at school, a teacher told Jayden Ellis that those of his generation would change jobs up to eight times throughout their...
