<?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/">Tiempo geológico</topic></authority><related type="other"><topic>Geología</topic></related><related type="other"><topic>Cronología</topic></related><related type="broader"><topic>Área 05. Geología Física y Ambiental</topic></related><related type="broader"><topic>Area 03. Geografía general física</topic></related><variant type="other"><topic>Cronología geológica</topic></variant><variant type="other"><topic>Edad de las rocas</topic></variant><variant type="other"><topic>Fecha de las rocas</topic></variant><variant type="other"><topic>Geocronología</topic></variant><variant type="other"><topic>Radiocronología</topic></variant><variant type="other"><topic>Rocas - Edad</topic></variant><variant type="other"><topic>Tiempo (Geología)</topic></variant> <note type="history" xml:lang="es">&lt;p&gt;Revisada el 9 de marzo de 2020&lt;/p&gt; </note> <note type="source" xml:lang="es">&lt;p&gt;Fuente: &lt;strong&gt;USE&lt;/strong&gt;&lt;/p&gt; </note> <note type="source" xml:lang="es">&lt;p&gt;CDU: &lt;strong&gt;550.93&lt;/strong&gt;&lt;/p&gt; </note></mads>