Jnius b bird (1 risultati)

Soft cover. Condizione: Very Good. pp255-258. Removed from AMERICAN ANTIQUITY. JOURNAL OF THE SOCIETY FOR AMERICAN ARCHAEOLOGY, Volume 37, Number 2, April, 1972. Wrps. VG. May contain a first or last xeroxed page. Abstract: Eighteen analyses are presented for 12 different Moche copper pedestal cups. Eight of the cups were made from naturally occurring copper metal ore; the remaining 4 from copper obtained by smelting of complex oxidized ores. The use of both ore tpes suggests either a matter of convenience or technology in transition. In general, these people possessed a more advanced level of metallurgical technology than their utilization of primitive naturally occurring copper metal implies. …