I think you mean the somewhat more limited &quot;... used in <i>eastern Mediterranean</i> Bronze Age tools ...&quot;<p>In the video linked to by dpeck, Cline talks about Afghanistan as a tin source at <a href="https:&#x2F;&#x2F;youtu.be&#x2F;hyry8mgXiTk?t=878" rel="nofollow">https:&#x2F;&#x2F;youtu.be&#x2F;hyry8mgXiTk?t=878</a> . He mentions Cornwall and Turkey as two other sources, with &quot;the vast majority&quot; coming from Afghanistan.<p>Cornwall provided a lot of the tin for Europe.  A clue that Cline is talking about a regional supply is that he mentioned Cyprus as the source for copper, when NW Europe had other sources, like Great Orme in Wales.