bn:00577653n
Noun Concept
Categories: Oil shale in Russia, Geology of Estonia, Geology of Russia, Oil shale in Estonia, Oil shale geology
EN
kukersite  Baltic Oil Shale Basin
EN
Kukersite is a light-brown marine type oil shale of Ordovician age. Wikipedia
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EN
Kukersite is a light-brown marine type oil shale of Ordovician age. Wikipedia
Light-brown marine type oil shale of Ordovician age Wikidata
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