<?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_es">[rocas sedimentarias por composición]</topic></authority><related type="narrower"><topic>horsteno</topic></related><related type="narrower"><topic>roca arcillosa</topic></related><related type="narrower"><topic>roca de carbonato</topic></related><related type="narrower"><topic>arenisca</topic></related><related type="narrower"><topic>piedra bornera</topic></related><related type="narrower"><topic>spongolite (traducció pendent)</topic></related><related type="narrower"><topic>phosphorite (traducció pendent)</topic></related><related type="narrower"><topic>siliceous rock (traducció pendent)</topic></related><related type="broader"><topic>roca sedimentaria</topic></related></mads>