CLAY MUD (PETROGRAPHY)
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BTARGILLACEOUS ROCKS + SHALES + CLAYSLATE + CLAY + MUDS (PETROGRAPHY)
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UDC552.527
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Descriptor GERTONSCHLAMM (PETROGRAPHIE)
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Descriptor ENGCLAY MUD (PETROGRAPHY)
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Descriptor FREBOUE ARGILEUSE (PÉTROGRAPHIE)
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Variant GERSCHLAMM/TONSCHLAMM (PETROGRAPHIE)
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Variant ENGMUD, CLAY MUD (PETROGRAPHY)
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Variant ENGMUD (PETROGRAPHY)