An Archaeometallurgical Survey for Ancient Tin Mines and Smelting Sites in Spain and Portugal: Mid-Central Western Iberian Geographical Region 1990-1995

The area covered by the survey consists of geographical region which includs areas in both Spain and Portugal. The periods covered span from the Copper Period (2000 BC) to the late Roman Period (4th century AD). Extensive field survey which located and assessed surface evidence for cassiterite ore that was mined, smelted and used in bronze production in antiquity, is followed by laboratory analytical examination of collected samples of slags, metals and minerals using primarily SEM/EDS analysis.