...Thorsten Severin; Thilo Rehren; Helmut Schleicher Abstract A selection of archaeometallurgical remains from the 3rd/4th century A.D., found in Aksum, Ethiopia, were analysed in order to determine the nature of the process by which they were produced, i.e. copper or iron smelting. Chemical...

... Ferri et al . determine the oxidation state of the chromophores Fe and Mn by XANES, UV-VIS and luminescence spectroscopy to explain the anomalous colours of some Late Roman glass samples. Details of metal smelting in the 3rd–4th century AD at Aksum, Ethiopia, are investigated by Severin et al...

... Holocene: A preliminary outline . Afr. Archaeol. Rev. 17 ( 2 ): 65 – 86 . Bard KA , Fattovich R , Manzo A , et al. 2014 . The chronology of Aksum (Tigrai, Ethiopia): A view from Bieta Giyorgis . Azania: Archaeological Research in Africa 49 ( 3 ): 285 – 316...

..., which formed during the late stages of the Pan-African Neoproterozoic orogenic event around 550 Ma ( Hanson 2003 , Veevers 2003 ). Famous amazonite-bearing pegmatites are in Madagascar ( Lacroix 1922 , Ostrooumov 2015 ), Malawi ( Martin et al . 2008 ), Namibia ( Bezing et al . 2008 ), and Ethiopia...