In 2018 the USA imposed steel tariffs on all but four countries outside North America (including Australia). Bill Langer explains the importance of the ingredients that make up US steel production – and why tariffs on imported resources don’t perhaps promise the jobs boom that the Trump administration is hoping for …
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Quarried stone fertilised soil for Easter Island inhabitants
The quarrying materials for Easter Island’s giant statues are believed to have contributed to the island’s “horticultural sweet spot”, according to US researchers.
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Neolithic era quarry discovered in Wales
A Stone Age quarry dating back 6000 years has been unearthed in northern Wales.
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From coffee to concrete: Researchers offer a new solution
The construction materials industry could hold the key to reducing tonnes of landfill-destined coffee waste in Australia, according to a group of Melbourne engineering researchers.
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Pumice the heart of Japanese construction
The world’s most famous quarries attract attention for their part in iconic landmarks, but few are as unique as a series of sites that have supplied centuries’ worth of pumice rock for Japanese
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Celebrating a golden anniversary
Bill Langer this month commemorates a milestone in his personal life, but will his wife Pam accept his golden gift?
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Hire fleet plays ongoing role in coal mine rehabilitation
Four years ago, Quarry highlighted Delta Rent’s plant and equipment hire service at the Hazelwood power station and open cut mine in Victoria’s Latrobe Valley. Damian Christie re-examines Delta’s role today as the site undergoes extensive rehabilitation.
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Crusher bucket, eco-material help slash construction costs
Additive chemicals for recycling spoil, coupled with an excavator attachment, promises savings for residential, commercial and industrial building projects.
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Variable feeders for stockpiling
Reclaim feeders are a flexible, economical option for the metering of stockpiled aggregates, with fewer set-up and installation costs, and quick and easy relocation around a site.
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Such quantities of sand, indeed
With the Australian summer – and beach weather – upon us, Bill Langer reflects on the industrial uses of silica sand and how it complies with rigorous standards …
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