An integrated study discloses chopping tools use from Late Acheulean Revadim (Israel)
Fig 14
Archaeological core with related use-wear and residue results.
a) Specimen #23 AQ15b 71.14–71.10; b) Edge damage; c) Group of fibers adhering along the utilized edge (red dot and square); d-e) Large group of fibers encrusted in a whitish mass of residue and close-up view of the twisted brownish long fiber; f) SEM-EDX spectra of a fiber and of the whitish residues with related SEM topographical view; g) Micro-FTIR spectrum showing the high absorption of calcium carbonate measured on the whitish residues (red) and micro-residue of bone detected along the edge and close to the area of fibers (blue and green). Black spectrum shows a spot without residues. Red and green dots show the location of fibers, dotted line indicates the functional area.