We do not have written sources from the Neolithic. But climate scientists ... broken clay vessels, and flint objects around 2,900 BC. The ditches were subsequently closed.” ...

There were only a few artifacts from the Mesolithic and Early Neolithic periods, including flint pieces and flakes leftover from toolmaking, archaeologists said. They did, however, find a leaf-shaped ...

While scientists do not have any similar written sources of eruptions from Neolithic times–about 10,000 ... ritual feasts–broken clay vessels, and flint objects sometime around 2,900 BCE.

About 4,900 years ago, a Neolithic people on the Danish island ... broken clay vessels, and flint objects around 2,900 BC. The ditches were subsequently closed," he adds. Dr. Iversen and his ...

4,900 years ago, a Neolithic people on the Danish island Bornholm ... broken clay vessels, and flint objects around 2,900 BC. The ditches were subsequently closed." Rune Iversen and his colleagues ...