Solid bronze ingot intended for casting processes. Pyramidal shape with a flat base and oval outline. Rough surface. It displays abundant quartz grains adhering to it. The object is entirely covered by patina.
MOREIRA 2010, 970, est. CC, n.º 1.
77
Solid Bronze Ingot for Casting
Origin
Castro de Alvarelhos, Alvarelhos, Trofa.
Material
Bronze. Optical microscopy analysis indicates a copper alloy containing 11% lead, with minor elements including Ag (0.5%) and Sn (0.24%). The microstructure reveals lead globules with intergranular distribution.
Description
Classification and chronology
Type … / Castro de Alvarelhos - Phase IV/V
Dimensions
Maximum length: 171 mm; Maximum width: 87 mm; Maximum thickness: 34 mm; Weight: 1384 gr.
Deposit
MMAP [ALV. 93 A, op. 215]
Bibli.
