<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">grooved rocks</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31360685</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:37:19</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">grooved rock</dcterms:alternative> <dcterms:alternative xml:lang="en">rocks, grooved</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ Boulders marked with deep, parallel furrows. There is no consensus as to the reason for these grooves, but it is possible that these rocks were used to polish stone tools in prehistoric times, or as timekeeping marks. ]]></dc:description></metadata>