Copper Smelting

Copper Smelting is a tech which kicks off the Copper Age. Copper occurs naturally as native metallic copper and ancient settlers learn to not only to collect copper ore from deposits but extract it through high heating methods for long-lasting tools and weapons.

Required for

 * Bronze Smelting
 * Copper Mine
 * Pit Furnace
 * Metalsmith
 * Workshop

With this technology you can make:
 * Copper from Copper Ore + Charcoal

then Copper tools like:
 * Copper Spear
 * Copper Axe
 * Copper Pick
 * Copper Knife
 * Copper Sickle

Predecessor tech(s)

 * Stone Polishing

Successor tech(s)

 * Bronze Smelting