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<url><loc>https://per-storemyr.net/2026/10/28/15-tonn-marmor-fra-dalen-gruver-til-kalkbrenning-sammen-med-fortidsminneforeningen-i-tvedestrand/</loc><news:news><news:publication><news:name>Per Storemyr GeoKultur</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-10-28T00:25:22+00:00</news:publication_date><news:title>15 tonn marmor fra Dalen gruver til kalkbrenning sammen med Fortidsminneforeningen i Tvedestrand</news:title><news:keywords>marble, Tvedestrand, kalkbrenning, kalkovn, kalk, marmor, tradisjonshåndverk, kalkmørtel, tradisjonskalk, kalkstein, Brevikkalk, enkrinittkalk, Steinvikformasjonen, kontaktmetamorf kalkstein, Kalkovnen på Grenstøl, Bjørntvedt</news:keywords></news:news><image:image><image:loc>https://per-storemyr.net/wp-content/uploads/2026/10/dalen-lasting-typestein.jpg?w=150</image:loc></image:image></url></urlset>