Ores ain't ores

INSTEAD of rolling grape juice around the mouth to achieve the best possible flavour in a wine, Rio Tinto is carrying out a precise blending operation on hundreds of millions of tonnes of ore. Within a few years this customising service is expected to be extended to include a mine in Africa. By John McIlwraith

Ores ain't ores Ores ain't ores Ores ain't ores Ores ain't ores Ores ain't ores

One metallurgist described it as being "like a watchmaker building the pyramids". "The days when you shovelled dirt into a train and shipped it to the customer are gone," he said.

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