<?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">dolostone</topic></authority><related type="narrower"><topic>Queenston limestone</topic></related><related type="narrower"><topic>Angera stone</topic></related><related type="narrower"><topic>Kasota stone</topic></related><related type="broader"><topic>magnesian limestone</topic></related><variant type="other"><topic>dolomite</topic></variant><variant type="other"><topic>dolostones</topic></variant> <note xml:lang="en"><![CDATA[ A type of limestone having calcium carbonate content approaching 45%; employed as a flux in melting iron, as a lining for basic steel furnaces, for the production of magnesium metal, for filtering, and as a construction stone. ]]></note></mads>