The Ashalim Cave lead object.

<p>The Ashalim Cave lead object.</p

Results of lead isotope analysis.

<p>Lead isotope ratios of the Ashalim Cave lead object plotted against ores from selected regions. Details and references are provided in the text.</p

Map.

<p>The location of Ashalim Cave and additional sites that are mentioned in the text. The figure was created with ARC-GIS 10 software, based on a topographic model generated by NASA Earth Observatory (public domain).</p

Microscopic images of the sampled area.

<p>(a) Secondary electron and (b) Back-scatter images of the freshly cut surface. The five measured points are marked on Fig 6b.</p