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</html><thumbnail_url>https://www.geoparcoalpicarniche.org/wp-content/uploads/2020/11/HP_7_Bergbau-Lydit_low.jpg</thumbnail_url><thumbnail_width>1279</thumbnail_width><thumbnail_height>1369</thumbnail_height><description>In questo punto come anche in altri posti del sentiero geologico si scoprono piccoli &#x201C;buchi&#x201D; nel paesaggio. Si tratta di miniere dalle quali un tempo si estraeva minerale di ferro. Le mineralizzazioni di ferro sono riconducibili alle rocce del Devoniano di circa 360 milioni di anni fa, che si formarono &hellip;</description></oembed>
