As a means of group identification or differentationthey were exchanged, either Opd smaller geographical areas or territories, or across large areas, possibly across numerous territories. techno-complexes quartz, chert inter-regional Old men young porn networks pitchstone, Yorkshire flint; Antrim flint social territories baked mudstone, bloodstone, mylonite local sources of importance pebble flint, Buchan Ridge flint, agate chalcedony, chalcedonic Old men young porn, quartzite local ad hoc supplements jasper, basalt dolerite.
In the north, the west and the Highland zone quartz was used throughout prehistory, but probably not exchanged to any great extent. Chert dominated southern Scotland in the early Neolithic, but continued to be used to a lesser extent through the Sweet teen love Neolithic period.
This raw material was probably exchanged very little either, but used near the ubiquitous outcrops.