Osa

Late Mesolithic and Early Neolithic settlement located in Latvia, Russia. The Mesolithic levels had a rich bone and antler industry with radiocarbon dates of c 5200-4800 BC. An Early Neolithic occupation contained Osa type pottery and similar bone tools, with radiocarbon dates of 3950-3800 BC. There was also a thin layer of the Pit-Comb Ware group, with a radiocarbon date of c 2050 BC.

A stratified settlement of the Late Mesolithic and Early Neolithic, located in a peat bog in the Lubana lowlands on the PiestenS River, Latvia, USSR. The stratigraphy at excavation B comprises three levels: 1 Mesolithic levels with a rich bone and antler industry, with radiocarbon dates of c5 200-4800 be; 2 an Early Neolithic occupation with Osa type pottery and similar bone tools, with radiocarbon dates of 3950-3800 be; and 3 a thin layer of the Pit-comb ware group, with a radiocarbon date of c2050 be.