What factors caused the end of stone age?

Agriculture. It lead to building permanent settlements. And to surpluses, which meant not everyone had to be a farmer--some people could specialize in other things like making better tools. It also meant trade and the exchange of ideas. read more

But in some ways we are still in a stone age. We use stone for some building and walls. We use stones for grinding and as a main ingredient in many roads. read more

The Stone Age began 2 to 3 million years ago and ended at around 3300 B.C. The dates for the beginning and end of the Stone Age are ranges because the definition of the age refers to the tools which were developed at different times around the world. read more

Because it takes circa 10.000 years for an ice age to gradually come to an end; but for a climate ripple (for example, the end of the Younger Dryas) the change in weather took, 25 years later, just one year, temperature wise. read more

So, consensus tells us the Stone Age ends when humans started building metal tools, starting with copper. The fact is, we kept combining copper with stone for tools. We moved to bronze and iron, and even then, stone was still a thing. read more