<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">red antique porphyry</topic></authority><related type="broader"><topic>porphyry</topic></related><variant type="other"><topic>antique porphyries, red</topic></variant><variant type="other"><topic>antique porphyry, red</topic></variant><variant type="other"><topic>diorite, porphyritic</topic></variant><variant type="other"><topic>diorites, porphyritic</topic></variant><variant type="other"><topic>porphyries, red antique</topic></variant><variant type="other"><topic>porphyrite</topic></variant><variant type="other"><topic>porphyrites</topic></variant><variant type="other"><topic>porphyritic diorite</topic></variant><variant type="other"><topic>porphyritic diorites</topic></variant><variant type="other"><topic>porphyry, red antique</topic></variant><variant type="other"><topic>red antique porphyries</topic></variant> <note xml:lang="en"><![CDATA[ A rock, similar to diorite, composed of a compact felsitic base in which hornblende or feldspar is porphyritically developed. The celebrated red Egyptian porphyry or 'Rosso Antico' is a red antique porphyry. ]]></note></mads>