Copper Smelting Horizon (1100–600 BCE)
A structure at Nil Kham Haeng (Non Nok Tha? Actually Nil Kham Haeng Copper-Iron Transition) · 🇹🇭 Thailand
The structure
About Copper Smelting Horizon (1100–600 BCE)
Copper slag and bivalve mould layer under iron at trench base