<?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://thesaurus.bhlscielo.org/vocab/pt">Recurso mineral</topic></authority><related type="narrower"><topic>Petróleo</topic></related><related type="broader"><topic>Recurso não renovável</topic></related> <note xml:lang="pt"><![CDATA[ <p>Concentração de minério cuja extração é economicamente viável.</p> ]]></note> <note xml:lang="en"><![CDATA[ <p>Concentrated ore whose extraction is economically viable.</p> ]]></note> <note xml:lang="es"><![CDATA[ <p>Concentración de mena cuya extracción es económicamente viable.</p> ]]></note></mads>