Chemical Composition: XRF data from Artax 1 and Tracer
Alloy: Bronze
Alloying Elements: copper, tin
Other Elements: lead, iron
K. Eremin, January 2014
Technical Observations: The patina is green with brown burial accretions and spots of underlying red. The object is deeply mineralized and brittle. There are marks in the corrosion layers on the reverse, which indicate that surface was struck. There are cracks in the central area, two of which radiate almost to the outer edge. There are losses (3 cm and 4 cm) along the outer edge.
The precise shapes of the bowl indicate its wax model may have been cast in a mold. A small depression at the center may relate to a spinning method used to finish the cast metal surface and form the very precise incised lines near the umbo. The corroded condition of the surface obscures clear evidence of finishing techniques.
Henry Lie (submitted 2012)