<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31412367</termId><termName>silt</termName><termType>PT</termType><termNote><![CDATA[ All sediment particles, regardless of mineral origin, that fall within a specified size range between those of sand and clay. An unconsolidated aggregation of particles is also called silt; a consolidated aggregate, silt-stone. ]]></termNote><termCreatedDate>2026-03-30 20:50:52</termCreatedDate><relation><relationType>BT</relationType><termId>31375558</termId><termName>sediment</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31457353</termId><termName>siltstone</termName><termType>PT</termType></relation></term>  </Zthes>