<?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">gault</topic></authority><related type="other"><topic>white brick</topic></related><related type="broader"><topic>clay by composition or origin</topic></related><variant type="other"><topic>Gault clay</topic></variant><variant type="other"><topic>gault clay</topic></variant> <note xml:lang="en"><![CDATA[ Clay from the Gault Formation, deposited in a calm, deep water marine environment during the Lower Cretaceous Period. When raw, a stiff blue clay, when fired, white in color. ]]></note></mads>