QUARTZ + PIERRE A FEU + SABLE + GRAVIER (GISEMENTS)
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BTMINERAUX INORGANIQUES (GISEMENTS)
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UDC553.62
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Descriptor GERQUARZ + FEUERSTEIN + SAND + KIES (LAGERSTÄTTEN)
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Descriptor ENGSAND + GRAVEL + PEBBLES + NATURAL SAND-GRAVEL MIXTURE (MINERAL DEPOSITS)
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Descriptor FREQUARTZ + PIERRE A FEU + SABLE + GRAVIER (GISEMENTS)
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Variant FREPIERRE/A FEU (GISEMENTS)
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NTGRAVIERS + CAILLOUTIS (GISEMENTS)
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NTSABLE GISEMENTS
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RTGRAVIERS + CAILLOUTIS (GISEMENTS)
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RTSABLE GISEMENTS