GRAVEL (PETROGRAPHY)
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BTCLASTIC SEDIMENTS, LOOSE CLASTIC-ROCK SEDIMENTS (PETROGRAPHY)
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UDC552.517.2
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Descriptor GERKIES (PETROGRAPHIE)
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Descriptor ENGGRAVEL (PETROGRAPHY)
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Descriptor FREGRAVIERS (PÉTROGRAPHIE)
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Variant ENGSHINGLE (PETROGRAPHY)
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Variant FREGRAVILLONS (PÉTROGRAPHIE)