During this time defensive earth walls and ditches were constructed around the edge of the terrace, and many artifacts related to copper smelting were discovered inside the walls, indicating that ...

But the artifacts were already in danger ... and it’s possible that ancient copper smelting played a role in the area’s denuding—which in turn may have ended copper production.

Sue Surkes contributed to this report. The post Ancient copper smelting at ‘King Solomon’s mines’ was less toxic than today’s industry appeared first on The Times of Israel.

Spanish researchers have discovered that two iron artifacts from a hoard of precious treasure that dates back to the Late Bronze Age — before man started the widespread smelting of iron ...

Glencore acquired Pasar in 1999 and has since expanded the smelter to process about 1.2 million tons of copper concentrate annually, to produce around 200,000 tons of LME-branded copper cathodes ...

BHP (ASX: BHP) has commissioned two engineering firms to support the expansion of its copper smelter and refinery facilities in South Australia, including at Olympic Dam, one of its biggest copper ...