New light on plant ash glass found in Africa: Evidence for Indian Ocean Silk Road trade using major, minor, trace element and lead isotope analysis of glass from the 15^th—16^th century AD from Malindi and Mambrui, Kenya

• Ieong Siu ,

  Contributed equally to this work with: Ieong Siu, Julian Henderson, Jianfeng Cui

  Roles Data curation, Formal analysis, Investigation, Methodology, Project administration, Visualization, Writing – original draft, Writing – review & editing

  Affiliation School of Archaeology and Museology, Peking University, Beijing, China

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• Julian Henderson ,

  Contributed equally to this work with: Ieong Siu, Julian Henderson, Jianfeng Cui

  Roles Writing – original draft, Writing – review & editing

  Affiliations Department of Classics and Archaeology, University of Nottingham, University Park, Nottingham, United Kingdom, University of Nottingham, Ningbo, China

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• Dashu Qin ,

  Roles Resources

  ¶‡ DQ, YD and HM also contributed equally to this work.

  Affiliation School of Archaeology and Museology, Peking University, Beijing, China

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• Yu Ding ,

  Roles Writing – original draft, Writing – review & editing

  * E-mail: cuijuangfeng@pku.edu.cn (JC); ahrainding@163.com (YD)

  ¶‡ DQ, YD and HM also contributed equally to this work.

  Affiliation School of Archaeology and Museology, Peking University, Beijing, China

  http://orcid.org/0000-0003-0400-9160

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• Jianfeng Cui ,

  Contributed equally to this work with: Ieong Siu, Julian Henderson, Jianfeng Cui

  Roles Project administration, Supervision, Writing – original draft, Writing – review & editing

  * E-mail: cuijuangfeng@pku.edu.cn (JC); ahrainding@163.com (YD)

  Affiliation School of Archaeology and Museology, Peking University, Beijing, China

  http://orcid.org/0000-0002-6067-4416

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• Hongjiao Ma

  Roles Investigation

  ¶‡ DQ, YD and HM also contributed equally to this work.

  Affiliations Department of Classics and Archaeology, University of Nottingham, University Park, Nottingham, United Kingdom, University of Nottingham, Ningbo, China

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