The figure of 10 to 20 million tons is obviously wrong, since this was 'core sample' - there is a fair amount of core available, but obviously less than the figure given.

The tests conducted so far are at laboratory scale, involving quite small amounts of material.

That the figure is a mistake is confirmed by this, in reference to the next stage, of commercial scale trials --"But that will require a large amount of material -- as much as 1,000 tons of chromite. "Try to get a thousand tonnes out of the Ring of Fire today," said Lavigne.