Three-Age System
  • is the categorization of history into 3 time periods

Three-Age System

Age

Period?

Time Span

Geologic Time Scale (GTS)

Stone Age

Paleolithic

2.58 Ma

≈ Pleistocene

Mesolithic

~

≈ Holocene

Neolithic

10,200BC to 4,500BC

Bronze Age

Chalcolithic/Copper

5,000 BC to 3000BC

Bronze

3,000BC to 1,200BC

Iron Age

Iron I

1,200BC to 1,000BC

Iron II

1,000BC to 550BC