IGNEOUS ROCKS/GENERALITIES CONCERNING VARIOUS ERUPTIVE ROCKS (PETROGRAPHY)
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BTMAGMATIC ROCKS + IGNEOUS ROCKS (PETROGRAPHY)
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UDC552.31
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Descriptor GERERUPTIVGESTEINE/ALLGEMEINES ÜBER ERUPTIVA (PETROGRAPHIE)
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Descriptor ENGIGNEOUS ROCKS/GENERALITIES CONCERNING VARIOUS ERUPTIVE ROCKS (PETROGRAPHY)
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Descriptor FREROCHES ERUPTIVES/GENERALITES SUR LES ROCHES ERUPTIVES (PÉTROGRAPHIE)
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Variant ENGERUPTIVE ROCKS/GENERALITIES CONCERNING VARIOUS ERUPTIVE ROCKS (PETROGRAPHY)
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NTHYPABYSSAL ROCK TYPES IN GENERAL (PETROGRAPHY)
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NTPLUTONIC ROCKS (PETROGRAPHY)
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NTVOLCANIC ROCKS IN GENERAL (PETROGRAPHY)