Technology and Terminology of Knapped Stone - IRIT
Technology and Terminology of Knapped Stone - IRIT
Technology and Terminology of Knapped Stone - IRIT
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7 8 9<br />
11 1 2 13 1 4 1 5<br />
Fig. 65 — Delineation <strong>of</strong> the edge created by a series <strong>of</strong> removals. 1 : rectilinear. 2 : convex. 3 : concave.<br />
4 : notched. 5 : denticulated. 6 : serrated. 7 ; cran. 8 : shoulder. 9 : nose. 10 : tongue. 11, 12 :<br />
tang. 13 : long narrow tang. 14 : irregular. 15 : regular.<br />
DIACRITIC DIAGRAM . A full scale outline<br />
drawing figuring outlines <strong>and</strong> arrises, but<br />
leaving out direction lines; it shows the<br />
boundaries, the debitage axes (<strong>of</strong>ten surmised),<br />
<strong>and</strong> the chronology <strong>of</strong> removals<br />
(fig. 54) (see p. 126).<br />
DIHEDRAL. A general morphological term.<br />
See under buri n <strong>and</strong> but t for the particular<br />
meaning taken on when applied to these<br />
words.<br />
DIRECT. 1. An adjective <strong>of</strong> positio n applying<br />
to retouch removals originating<br />
from the lower face. It therefore only concerns<br />
debitag e product s (flakes, blades,<br />
bladelets) (fig. 75 : 1).<br />
2. Direct percussion : see percussion .<br />
DIRECTION LINE . Refers to a pen <strong>and</strong> ink<br />
drawing technique : each <strong>of</strong> the parallel<br />
downstroke <strong>and</strong> upstroke lines used for<br />
140<br />
expressing volume <strong>and</strong> rendering the directions<br />
<strong>of</strong> debitage <strong>and</strong> retouch.<br />
DISCONTINUOUS. An adjective qualifying<br />
the distributio n <strong>of</strong> removals along an edge<br />
(see continuous ) (fig. 66 : 1).<br />
1 2 3<br />
Fig. 66 — Distribution <strong>of</strong> removals along an<br />
edge. 1 : discontinuous. 2 : total on<br />
the distal edge. 3 : partial on the right<br />
edge.