<?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="https://confrides.cpd.ua.es/tematres/vocab/">Petrografía</topic></authority><related type="other"><topic>Geoquímica</topic></related><related type="other"><topic>Facies (Geología)</topic></related><related type="other"><topic>Metamorfismo (Geología)</topic></related><related type="other"><topic>Geología</topic></related><related type="other"><topic>Geología física</topic></related><related type="other"><topic>Metasomatismo (Mineralogía)</topic></related><related type="other"><topic>Petrogénesis</topic></related><related type="other"><topic>Mineralogía</topic></related><related type="other"><topic>Rocas</topic></related><related type="other"><topic>Ciencias</topic></related><related type="broader"><topic>Área 12. Petrografía y Petrología</topic></related><related type="broader"><topic>Area 03. Geografía general física</topic></related><variant type="other"><topic>Litología</topic></variant><variant type="other"><topic>Petrología</topic></variant> <note xml:lang="">Bajo nombres de variedades de rocas, p. ej: Granito. </note> <note type="history" xml:lang="">Se puede usar con un subencabezamiento geográfico. </note> <note type="source" xml:lang="es">&lt;p&gt;&lt;strong&gt;CDU&lt;/strong&gt;: 552&lt;/p&gt; </note></mads>