“…Very few tin slags have ever been found throughout Bronze Age Europe due to the smelting of the tin oxide cassiterite (SnO2), the way metallic tin was produced during the Bronze Age, produced virtually no slag, since alluvial cassiterite is about 80% pure tin (Muhly, 1993). However, the mining of low grade tin ores containing higher levels of haematite, followed by through beneficiation by hand, could also have occurred with similar consequences for archaeological visibility (Yener and Vandiver, 1993). gold objects in Ireland demonstrating non-local sources (Standish et al, 2015).…”