<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31457523</termId><termName>portor marble</termName><termType>PT</termType><termNote><![CDATA[ A marble from Portovenere and the island of Palmaria in Liguria, Italy. The best grades are dark black with evenly distributed dull golden veins while the inferior grades are brownish gray with irregular veins and spots of dull yellow. ]]></termNote><termCreatedDate>2026-03-30 21:03:09</termCreatedDate><relation><relationType>UF</relationType><termId>31457524</termId><termName>black and gold marble</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457525</termId><termName>black-and-gold marble</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457526</termId><termName>marble, black-and-gold</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457527</termId><termName>marble, portor</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457528</termId><termName>porto marble</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31438611</termId><termName>variegated marble</termName><termType>PT</termType></relation></term>  </Zthes>