2. An Overview of the Evidence

Field surveys have revealed a substantial number of lithic scatters on the south-west Cumbrian coastal plain and the eastern limestone uplands of Cumbria. The raw materials used for toolmaking in the two areas show interesting contrasts, including:

Predominant use of Irish Sea beach pebble flint in south-west Cumbria during the Late Mesolithic and Neolithic, with minimal importation of chalk flints from Yorkshire and (possibly) Antrim during the Neolithic.
In eastern Cumbria, raw materials in the Late Mesolithic were predominantly local cherts but with a significant element of pebble flint and chalk flint from Yorkshire. By the Neolithic, Yorkshire chalk flint had become the dominant raw material.
In both locations, pebbles of fine-grained volcanic tuff akin to Group VI were being used as a substitute for flint by communities using Late Mesolithic technologies, although there is no evidence for exploitation at source during the Late Mesolithic. Thus in eastern Cumbria, Late Mesolithic communities can be demonstrated to have been using volcanic tuff at the same time as they were obtaining flint from Yorkshire.
There is evidence for limited use of crystal quartz, particularly in eastern Cumbria. In addition, pitchstone has also now been identified at St Bees, where there was also limited use of Ennerdale banded rhyolit

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