<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31471282</termId><termName>argillaceous sandstone</termName><termType>PT</termType><termNote><![CDATA[ Sandstone composed of clay minerals, especially sedimentary materials such as marl and shale; it emits a peculiar earthy odor when breathed upon. ]]></termNote><termCreatedDate>2026-03-30 21:06:50</termCreatedDate><relation><relationType>UF</relationType><termId>31471283</termId><termName>clayey sandstone</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471284</termId><termName>sandstone, argillaceous</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31457363</termId><termName>sandstone by composition: aggregate type</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31478232</termId><termName>bluestone</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31478236</termId><termName>graywacke</termName><termType>PT</termType></relation></term>  </Zthes>