Slag identification at Southern African archaeological sites

Duncan Miller, David J Killick

Research output: Contribution to journalArticle

35 Scopus citations

Abstract

Slags and slag-like materials are ubiquitous components of southern African Iron Age sites. Their correct identification is crucial to understanding technological processes performed at these sites. This paper presents criteria for distinguishing between iron smelting slags, iron forging slags, copper smelting slags, crucible slags resulting from melting activities, vitrified clay and various biomass materials. Slag identification should entail a combination of morphology, microscopic study, chemical analysis, and assessment of the archaeological context. It is a necessarily specialist activity and superficial classification without materials analysis can be misleading. Archaeologists need to be mindful of both the archaeological opportunities and the potential technical difficulties in the interpretation of slags.

Original languageEnglish (US)
Pages (from-to)23-47
Number of pages25
JournalJournal of African Archaeology
Volume2
Issue number1
Publication statusPublished - 2004

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Keywords

  • Copper
  • Forging
  • Gold
  • Iron
  • Slag
  • Smelting
  • Smithing

ASJC Scopus subject areas

  • Archaeology
  • Archaeology
  • Visual Arts and Performing Arts
  • History
  • Cultural Studies

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