Kōrero: Rock, limestone and clay

Phosphate shipment, Ravensbourne

Phosphate shipment, Ravensbourne

New Zealand imports almost all of its phosphate, as local sources are negligible. Fertiliser works such as those at Ravensbourne in Otago process it into superphosphate. When the nearby Milburn phosphate deposits were quarried in the 1920s, it was local rather than imported phosphate that was railed to Ravensbourne – over a distance of some 50 kilometres.

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Ravensdown Fertilizer
Photograph by Mike Arnold

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Me pēnei te tohu i te whārangi:

Carl Walrond, 'Rock, limestone and clay - Raw materials', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/photograph/5204/phosphate-shipment-ravensbourne (accessed 19 September 2019)

Story by Carl Walrond, published 12 Jun 2006