Olive oil fed 2000 BC foundries
A team from Rome has discovered that the Mediterranean's first foundries were fuelled by olive oil and not, as previously believed, by charcoal .
Exploring a dig site in southern Cyprus which has already yielded the oldest wine and silk in the Mediterranean, the Italians unearthed copper-smelting ovens dating back to 2,000 BC .
They found that the walls were covered with thick, black resin .
Samples of the mysterious pitch-like substance were sent back to Rome from the site at Pyrgos Mavroraki near Limassol for analysis at the Institute of Technologies Applied to Art (ITABC) .
It turned out to be the burnt residue of olive oil .
Read the rest of the article at Ansa.