<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31438520</termId><termName>kimberlite</termName><termType>PT</termType><termNote><![CDATA[ An agglomerate biotite-peridotite, igneous, or eruptive rock, or ‘blue ground’, which is the matrix of diamond at Kimberley, South Africa and elsewhere. ]]></termNote><termCreatedDate>2026-03-30 20:58:12</termCreatedDate><relation><relationType>BT</relationType><termId>31412257</termId><termName>igneous rock by composition: physical</termName><termType>PT</termType></relation></term>  </Zthes>