Figure 2
From: Microbotanical residues for the study of early hominin tools
From surface rock to proxy microcosm. Ovate panel, upper left, shows a view of the surface prior to sampling; small bushes for scale. Center images: each subpanel shows a different facet/side of the rock labelled as East 31 (see Fig. 1, center right for provenance). Statistical analysis of georeferenced residue at the mm scale confirms dispersed scatters, in which the areas shown in red hold the highest density, dark green the lowest. Rectangular panels, from top right to bottom right, reveal microcosms from lichens, trapping spores of diverse morphologies, phytoliths, and epidermal tissue. Microlaminations precipitated successively, sandwiching microbotanical remains. Microbial exudates are apparent. Lower left circle shows a compilation of phytoliths, including globular and tabular shapes, together with scutiform and bulliform types.
