Artioli, Gilberto Angelini, Ivana Kaufmann, Günther Canovaro, Caterina Dal Sasso, Gregorio Villa, Igor Maria Micro-inclusions present in the copper matrix. <p>(a) Backscattered electron images of the cuprite inclusion (dark grey) surrounded by a lighter rim rich in As (30.7%) and Bi (20.3%); (b) white segregation rich in As (11.8%),Se (9.5%),Bi (4.2%), and Pb (13.2%). Both inclusions are about 5 μm across; (c) reflected-light optical micrograph. The total length of the fragment is 870 μm.</p> Iceman;coeval archaeometallurgical data;BC;Copper Age;Copper Age cultures;Alps;Alpine copper ore sources;axe;evidence;Central Italy;object 2017-07-05
    https://plos.figshare.com/articles/figure/Micro-inclusions_present_in_the_copper_matrix_/5174383
10.1371/journal.pone.0179263.g002