VOLCANIC PRODUCTS, LOOSE PRODUCTS (GEOLOGY)
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BTVOLCANIC PRODUCTS, ASHES, GASES (GEOLOGY)
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UDC551.217.2
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Descriptor GERVULKANISCHE PRODUKTE, LOCKERPRODUKTE (GEOLOGIE)
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Descriptor ENGVOLCANIC PRODUCTS, LOOSE PRODUCTS (GEOLOGY)
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Descriptor FREPRODUITS VOLCANIQUES, PRODUITS MEUBLES (GÉOLOGIE)
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Variant FREVOLCANIQUE/PRODUITS VOLCANIQUES, PRODUITS MEUBLES (GÉOLOGIE)
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NTLAPILLI (GEOLOGY)
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NTVOLCANIC ASHES + VOLCANIC SANDS (GEOLOGY)
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NTVOLCANIC BLOCKS AND BOMBS, ALLOTHIGENOUS, ALLLOGENIC MATERIAL (GEOLOGY)
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NTVOLCANIC BLOCKS AND BOMBS, AUTHIGENOUS MATERIAL (GEOLOGY)