Bronze Smelting

Bronze Smelting is a tech from the Bronze Age era. It is also a Main Tech, a tech that unlocks a new era; It unlocks Bronze Age.

Required for
With this tech you can make: Bronze from Copper Ore + Tin Ore
 * Iron Smelting
 * Tin Mine

then Bronze tools like:
 * Bronze Spear
 * Bronze Knife
 * Bronze Axe
 * Bronze Sword
 * Bronze Pick
 * Bronze Sickle

Discovery of Bronze Smelting devalues all flint and bone tools as well as slings to value 1.

Shortly after the discovery of Bronze Smelting many animals like Megaloceros, Ancient Bisons, Cave Bears and Cave Hyenas go extinct.

Successor tech(s)

 * Iron Smelting

Predecessor tech(s)

 * Copper Smelting