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. 2016 Dec 12;11(12):e0168012. doi: 10.1371/journal.pone.0168012

Fig 5. Examples of whole and broken points, as well as unfinished and finished points from the different point-production strategies and in various production phases.

Fig 5

a) A bifacial nodule point-production strategy version 1 phase 2 rough-out made of quartzite. b) A bifacial blade point-production strategy phase 2 rough-out made of quartzite. c) A unifacial point-production strategy phase 2 rough-out made of hornfels. d) A bifacial blade point-production strategy phase 3 preform made of quartzite. e) A bifacial nodule point-production strategy version 1 phase 3 preform made of quartzite. f) A bifacial nodule point-production strategy version 2 phase 3 preform made of quartzite. g) A bifacial nodule point-production strategy version 1 phase 5 serrated point made of quartzite. h) A unifacial point-production strategy phase 5 point made of quartzite. i) A bifacial flake point-production strategy phase 4 point made of quartzite. Specimens a, f, h and i are from Hollow Rock Shelter; b-e and g are from Umhlatuzana Rock Shelter. Accession number for the Hollow Rock Shelter artefacts are a: AC14, SAIB, R207; f: AD16, SAI; R225; h: AD15, SIA, R246 and i: AD15, SIA, R244. Points from Umhlatuzana do not have individual accession numbers.