<?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_en">geology</topic></authority><related type="narrower"><topic>geomorphology</topic></related><related type="narrower"><topic>mineralogy</topic></related><related type="narrower"><topic>paleontology</topic></related><related type="narrower"><topic>petrology</topic></related><related type="narrower"><topic>tectonics</topic></related><related type="narrower"><topic>structural geology</topic></related><related type="narrower"><topic>stratigraphy</topic></related><related type="narrower"><topic>geoarchaeology</topic></related><related type="narrower"><topic>hydrogeology</topic></related><related type="narrower"><topic>sedimentology</topic></related><related type="narrower"><topic>lithology</topic></related><related type="narrower"><topic>geological dynamics</topic></related><related type="other"><topic>geologists</topic></related><related type="broader"><topic>earth sciences</topic></related><variant type="other"><topic>geological</topic></variant> <note xml:lang="en"><![CDATA[ Science that deals with the physical history of the earth, the rocks of which it is composed, and the physical changes which it has undergone and is undergoing. ]]></note></mads>