<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-22T22:26:29Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/39953" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/39953</identifier><datestamp>2022-01-13T07:54:24Z</datestamp><setSpec>com_1721.1_7582</setSpec><setSpec>com_1721.1_7581</setSpec><setSpec>col_1721.1_131022</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Frederick A. Frey.</dim:field>
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   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1989.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (v. 2, leaves 314-331).</dim:field>
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   <dim:field mdschema="dc" element="title" lang="en_US">Geology and geochemistry of the active Azufre-Planchon-Peteroa volcanic center (351̊5' S, southern Andes) : implications for Cordilleran arc magmatism</dim:field>
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   	&lt;Title>Geology and geochemistry of the active Azufre-Planchon-Peteroa volcanic center (351̊5&amp;apos; S, southern Andes) : implications for Cordilleran arc magmatism&lt;/Title>
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