<?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/">ARCILLAS</topic></authority><related type="other"><topic>SUELO</topic></related><variant type="other"><topic>SILICATOS</topic></variant><variant type="other"><topic>SUBSUELO</topic></variant><variant type="other"><topic>CANTERAS</topic></variant><variant type="other"><topic>HUMEDALES</topic></variant> <note xml:lang="es">Sustancias terrozas presentes en el subsuelo. Material telúrico sedimentario de partículas menores de 0.002 mm de diámetro, constituidas de silicatos de aluminio y hierro hidratados. </note></mads>