<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31297205</termId><termName>tertiary flake</termName><termType>PT</termType><termNote><![CDATA[ Flake that has no visible cortex on its dorsal surface. Produced during the final stages of shaping a stone tool, when refining edges of a final shape.  ]]></termNote><termCreatedDate>2026-03-30 20:33:13</termCreatedDate><relation><relationType>UF</relationType><termId>31297206</termId><termName>tertiary flake</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31297138</termId><termName>modified flake</termName><termType>PT</termType></relation></term>  </Zthes>