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Research Note Zhizo Series Glass Beads at Kwa Mgogo, Inland NE Tanzania Jonathan Walz & Laure Dussubieux Kwa Mgogo is an archaeological site located 100 km inland of the coast of northeastern Tanzania. Excavations at the site recovered Zhizo Series glass beads in intact, stratified deposits dated by AMS technique to the mid-eighth to mid-tenth centuries AD (Walz 2010; Dussubieux 2015). Zhizo Series beads are very rare in East Africa (e.g., at Tumbe on Pemba Island in Tanzania, Fleisher & LaViolette 2013) and are unknown from regional sites inland of the immediate Swahili Coast. Thus, Kwa Mgogo offers unique evidence of connectivity between Indian Ocean networks and interior Africans. An intensive, systematic surface survey in five areas of an inland corridor, positioned to overlap known nodes of 19th-century caravan traffic and trade, covered 44 km2 (Walz 2005, 2010, 2013). Investigations in one of these five survey areas, situated near Mombo Town in the coastal hinterland approximately 100 km from the Swahili Coast, yielded eighty archaeological sites of different periods. An open-air site perched along a low ridge south and opposite of the West Usambara Mountains and the seasonal Mkomazi River, a tributary of the perennial Pangani (Ruvu) River,
Journal of African Archaeology – Brill
Published: Nov 1, 2016
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