ROCK CONSTITUENTS/NATURE OF ROCK CONSTITUENTS (PETROGRAPHY)
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BTROCK STRUCTURE, TEXTURE, SIZE AND NATURE OF CONSTITUENTS (PETROGRAPHY)
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UDC552.124
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Descriptor GERGEMENGTEILE/ARTEN DER GEMENGTEILE (PETROGRAPHIE)
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Descriptor ENGROCK CONSTITUENTS/NATURE OF ROCK CONSTITUENTS (PETROGRAPHY)
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Descriptor FREROCHES/NATURE DES COMPOSANTS (PÉTROGRAPHIE)
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NTROCK CONSTITUENTS/ACCESSORY ROCK CONSTITUENTS (PETROGRAPHY)
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NTROCK CONSTITUENTS/HOMOGENOUS ROCK CONSTITUENTS (PETROGRAPHY)
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NTROCK CONSTITUENTS/HETEROGENOUS ROCK CONSTITUENTS (PETROGRAPHY)
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NTGEODES + SECRETIONS (PETROGRAPHY)
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NTCONCRETIONS + SEPTARIA (PETROGRAPHY)
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NTXENOLITH (PETROGRAPHY)