ZONING, ZONAL STRUCTURE (PETROGRAPHY)
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BTMINERAL FORMS, ROCK FORMING MINERALS (PETROGRAPHY)
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UDC552.125.46
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Descriptor GERZONARSTRUKTUR (PETROGRAPHIE)
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Descriptor ENGZONING, ZONAL STRUCTURE (PETROGRAPHY)
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Descriptor FRESTRUCTURE ZONALE (PÉTROGRAPHIE)