Modify Sudan carnelian bead origins 9th-18th centuries (6314478)

Modify message : Sudan carnelian bead origins 9th-18th centuries
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Message	Nice article on the origins of carnelian beads at two Sudan sites: Six carnelian beads derive from the 9th -14th cen-tury layers of Banganarti (18°10’05.9"N 30°46’21.0"E), a Christian pilgrim site active during the Makuria Kingdom and 18 beads and a two ake fragments dating to between the 15th–18th centuries come from excavations at Old Dongola (18°13’23.5"N 30°44’38.0"E), a capital of the Kingdom of Dongola https://www.researchgate.net/publication/391569254_Tracing_the_origins_of_Carnelian_ornaments_in_Northeast_Africa_morphological_technological_and_chemical_compositional_analyses_of_beads_from_medieval_and_post-medieval_upper_Nubia_Sudan Display HTML as text.
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