Lutite
Old terminology for clayey sedimentary rock
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Radiolarite
Type of sedimentary rock
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Diatomaceous earth
Soft, siliceous sedimentary rock
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Arkose
Type of sandstone containing at least 25% feldspar
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Arenite
Sedimentary clastic rock
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Diamictite
Type of sedimentary rock
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Itacolumite
Porous sandstone known for flexibility
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Folk classification
Sedimentary rock classification
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Bauxite
Sedimentary rock rich in aluminium
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Ironstone
Sedimentary rock that contains a substantial proportion of iron ore
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Iron-rich sedimentary rocks
Sedimentary rocks containing 15 wt.% or more iron
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Carbonate rock
Class of sedimentary rock
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Bituminous coal
Collective term for higher-quality coal
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Mudrock
Type of sedimentary rock
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Flysch
Type of sedimentary rock sequence
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Coal measures
Coal-bearing geological strata
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Rudite
Type of sedimentary rock
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Red beds
Sedimentary rocks with ferric oxides
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Seatearth
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Syneresis crack
Sedimentary structure caused by shrinkage
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Superficial deposits
Geological deposits
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Argillite
Sedimentary rock, mostly of indurated clay particles
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Dolomite (mineral)
Carbonate mineral (CaMg(CO3)2)
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Grain size
Diameter of individual grains of sediment, or of lithified particles in clastic rocks
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