<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31375553</termId><termName>sand</termName><termType>PT</termType><termNote><![CDATA[ Material consisting of fragmented particles of mostly siliceous rock, specifically as it appears on the surface of a beach or a desert. Individual particles may range in diameter from approximately 0.0008-0.08 inch. Most rock-forming minerals at the Earth's surface may be constituents of sand, but a limited number are common. Quartz is most common. ]]></termNote><termCreatedDate>2026-03-30 20:41:18</termCreatedDate><relation><relationType>UF</relationType><termId>31375554</termId><termName>sands</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31344878</termId><termName>soil by composition or origin</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31412349</termId><termName>greensand</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31412350</termId><termName>building sand</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31412352</termId><termName>foundry sand</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31412358</termId><termName>glass sand</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31412360</termId><termName>sandblast sand</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31412363</termId><termName>quicksand</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31412365</termId><termName>blotting sand</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31402242</termId><termName>sandcastles</termName><termType>PT</termType></relation></term>  </Zthes>