<?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">slate</topic></authority><related type="narrower"><topic>[slate by form or function]</topic></related><related type="narrower"><topic>[slate by color or quality]</topic></related><related type="other"><topic>slate shingle</topic></related><related type="broader"><topic>metamorphic rock</topic></related><variant type="other"><topic>slatestone</topic></variant><variant type="other"><topic>writing slate</topic></variant> <note xml:lang="en"><![CDATA[ A very fine-grained, foliated, non-layered metamorphic rock, generally produced by metamorphism of shale under relatively low pressure and temperature. It occurs in many varieties, including clay, hornblende, mica, talc slate, and others, all of which have the common property of splitting readily into thin plates. ]]></note></mads>