<?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://tesauro.serviciokoha.com/vocab/">VOLCANES</topic></authority><related type="other"><topic>GEOLOGÍA</topic></related><related type="other"><topic>PROCESOS GEOLÓGICOS</topic></related><variant type="other"><topic>CUEVAS Y CAVERNAS</topic></variant><variant type="other"><topic>EMISIONES NATURALES</topic></variant><variant type="other"><topic>SISMICIDAD</topic></variant><variant type="other"><topic>VULCANISMO</topic></variant><variant type="other"><topic>EMISIONES VOLCÁNICAS</topic></variant> <note xml:lang="es">Formación geológica que consiste en una fisura en la corteza terrestre sobre la que se acumula un cono de materia volcánica. </note></mads>