Microliths like these from the island of Rum are a classic sign of activity in the Mesolithic, between 8,000 – 4,000 BC. They give you a good idea of the tiny size of some stone tools. These pieces were hafted into tools like arrowheads.

Microliths like these from the island of Rum are a classic sign of activity in the Mesolithic, between 8,000 – 4,000 BC. They give you a good idea of the tiny size of some stone tools. These pieces were hafted into tools like arrowheads.