ARCHEOLOGICAL TIME
Paleolithic--Old Stone Age--2 million years ago (stone tools first used by humanoid creatures to about 13,000 BCE (end of the last Ice Age).
Mesolithic--Middle Stone Age--13,000 to 8000 BCE
Neolithic--New Stone Age--8000 BCE to 3000 BCE
Bronze Age--3000 BCE to 1200 BCE
Iron Age--1200 BCE
GEOLOGICAL TIME