<?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">stable isotope analysis</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31304493</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:21:54</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">SIA</dcterms:alternative> <dcterms:alternative xml:lang="en">analysis, stable isotope</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ Analytical method used in archaeology and petrography that characterizes stones by comparing isotopic ratios of elements such as oxygen, carbon, or sulfur. SIA has been used in geological evaluation of environmental variables impacting the chemical characteristics and isotopic composition of stone samples. ]]></dc:description></metadata>