Lead isotopes trace Malawi's mysterious copper ingot hoard to Congo's Kipushi mine
In 1967, a Malawian farmer stumbled upon a hidden hoard of eight copper ingots buried beneath a tree. Now, more than half a century later, scientists have traced the metal to its source: a copper mine nearly 800 km (500 miles) away.
In 1967, a Malawian farmer stumbled upon a hidden hoard of eight copper ingots buried beneath a tree. Now, more than half a century later, scientists have traced the metal to its source: a copper mine nearly 800 km (500 miles) away. This story matters for Science & Discovery readers tracking science. Reported by phys.org. Read the full original at the source link below.
Originally reported by phys.org. LearningWire curates and briefs the science & discovery stories that matter. Our editorial policy →