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	<title>Le medaglie di lava del Vesuvio nella collezione dell’Osservatorio Vesuviano &#8211; Ecoseven &#8211; Saper Vivere</title>
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		<title>Torino, in mostra Le medaglie di lava del Vesuvio nella collezione dell&#8217;Osservatorio Vesuviano</title>
		<link>https://www.ecoseven.net/ambiente/news-ambiente/torino-in-mostra-le-medaglie-di-lava-del-vesuvio-nella-collezione-dell-osservatorio-vesuviano/</link>
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		<pubDate>Fri, 25 Nov 2011 09:25:40 +0000</pubDate>
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		<category><![CDATA[INGV]]></category>
		<category><![CDATA[Le medaglie di lava del Vesuvio nella collezione dell’Osservatorio Vesuviano]]></category>
		<category><![CDATA[Museo Regionale di Scienze Naturali di Torino]]></category>
		<category><![CDATA[Torino]]></category>
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					<description><![CDATA[Alcune medaglie di lava, appartenenti all&#8217;Istituto Nazionale di Geofisica e Vulcanologia, saranno esposte in una singolare mostra presso il Museo Regionale di Scienze Naturali di Torino. Potrete ammirarle entro l&#8217;8 gennaio Presso il Museo Regionale di Scienze Naturali di Torino &#232; allestita una singolare mostra di interesse vulcanologico e non solo. E&#8217; infatti in esposizione [&#8230;]]]></description>
										<content:encoded><![CDATA[<p><img fetchpriority="high" decoding="async" class=" size-full wp-image-3950" src="https://www.ecoseven.net//wp-content/uploads/2011/11/images_igallery_resized_ambiente_medaglie-di-lava-250-200-90-c.jpg" alt="" width="250" height="200" /></p>
<p class='sommario'>Alcune medaglie di lava, appartenenti all&#8217;Istituto Nazionale di Geofisica e Vulcanologia, saranno esposte in una singolare mostra presso il Museo Regionale di Scienze Naturali di Torino. Potrete ammirarle entro l&#8217;8 gennaio </p>
<p> <span id="more-3951"></span> </p>
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<p style="vertical-align:top" class="MsoNormal">Presso il<strong> Museo Regionale di Scienze Naturali di Torino </strong>&egrave; allestita una singolare mostra di interesse vulcanologico e non solo. E&rsquo; infatti in esposizione una significativa selezione delle <strong>medaglie di lava</strong> vesuviane appartenenti alle collezioni storiche dell&rsquo;<strong>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</strong> &#8211; sezione Osservatorio Vesuviano (vedi approfondimento in box). La mostra &egrave; stata inaugurata il 17 settembre scorso ed &egrave; nata da una collaborazione tra l&rsquo;INGV-Osservatorio Vesuviano e il Museo Regionale di Scienze Naturali di Torino (MRSN), dove &egrave; stata allestita in occasione del VIII Forum di Scienze della Terra 2011 di Geoitalia al Lingotto di Torino.</p>
<p>Maddalena De Lucia, dell&rsquo;INGV &ndash; sezione Osservatorio Vesuviano, e Lorenzo Mariano Gallo, del Museo Regionale di Scienze Naturali, hanno ideato e progettato la mostra, e sono stati affiancati dal fisico &nbsp;Giovanni Ricciardi, Mauro Di Vito (supervisione) e Massimo Russo (esperto INGV). L&rsquo;allestimento &egrave; stato curato dallo staff del MRSN, in particolare Elena Giacobino e Ilaria Testa. La mostra rester&agrave; aperta e visitabile fino all&rsquo;8 gennaio 2012.</p>
<p>Il Vesuvio &egrave; stato in attivit&agrave; semipersistente dal 1631 al 1944, con eruzioni effusive ed esplosive di bassa energia. Le frequenti colate di lava hanno favorito, a partire dalla prima met&agrave; dell&rsquo;Ottocento, la produzione di medaglie coniate direttamente nella lava ancora fusa.</p>
<p>Le medaglie venivano realizzate mediante punzoni metallici impressi su una piccola quantit&agrave; di lava, prelevata dalla colata in prossimit&agrave; dell&rsquo;area di emissione. Questa singolare produzione ebbe origine per scopi di collezionismo scientifico, come per le medaglie realizzate nel 1819 e nel 1820 da Nicola Filomarino duca della Torre, e successivamente si espanse ad opera di artigiani che ne preparavano rilevanti quantit&agrave; da vendere ai visitatori del vulcano. Le medaglie di lava assunsero nel tempo un valore commemorativo e, nella prima met&agrave; del Novecento, propagandistico.</p>
<p>Il museo dell&rsquo;Osservatorio Vesuviano possiede una collezione composta da 78 medaglie delle lave emesse dal Vesuvio tra il 1819 e il 1940. La collezione di medaglie di lava del Vesuvio, una delle pi&ugrave; significative del Museo, fu costituita a partire dal 1935.</p>
<p>I soggetti raffigurati sono estremamente vari: papi, imperatori, re, generali, scienziati, celebrit&agrave;, luoghi come il Vesuvio, Capri, l&rsquo;Italia, personaggi mitologici, religiosi, letterari.</p>
<p>Negli anni Trenta del Novecento le medaglie celebrano eventi significativi della storia d&rsquo;Italia, come la proclamazione dell&rsquo;Impero, conquiste e vittorie militari e la nascita di figli del re.</p>
<p>Molte delle medaglie di lava della collezione sono state donate da Alessandro Malladra (Torino, 1855-Roma, 1944), direttore dell&rsquo;Osservatorio Vesuviano dal 1927 al 1935. Malladra aveva insegnato Scienze Naturali presso il collegio Mellerio Rosmini di Domodossola e aveva seguito i lavori di costruzione del tunnel del Sempione. Nel 1910 l&rsquo;incontro con Giuseppe Mercalli a Milano cambi&ograve; per sempre la sua vita. L&rsquo;anno successivo Malladra lasci&ograve; il Piemonte e segu&igrave; Mercalli, diventando suo assistente all&rsquo;Osservatorio Vesuviano, dove studi&ograve; il Vesuvio con la stessa passione che ebbe per le Alpi. Meticoloso ed estremamente attento, Malladra dot&ograve; l&rsquo;istituto di un moderno sistema di monitoraggio sismologico, comp&igrave; accurate osservazioni dell&rsquo;attivit&agrave; vulcanica del Vesuvio e fu segretario della sezione Vulcanologia dell&rsquo;Unione Geodetica e Geofisica Internazionale e editor della rivista Bulletin volcanologique. (com)</p>
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