<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31412349</termId><termName>greensand</termName><termType>PT</termType><termNote><![CDATA[ Consists largely of glauconite, a greenish granular mineral containing up to 25% iron, with a large percentage of silica and some potash and aluminum, used especially as a water softener and as a source of potash. ]]></termNote><termCreatedDate>2026-03-30 20:50:52</termCreatedDate><relation><relationType>BT</relationType><termId>31375553</termId><termName>sand</termName><termType>PT</termType></relation></term>  </Zthes>