quartette
Example Sentences
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In quartzites, the quartz grains from the original sandstone are enlarged and interlocked by recrystallization.
From Textbooks • Jan. 1, 2017
In the Huib and Han-ami plateaus of Great Namaqualand the crystalline rocks are overlain by sandstones, slates, quartzites and jasper rocks, and these in turn by dolomites.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 7 "Geoponici" to "Germany" by Various
The rocks chiefly are gneisses, granites, metamorphosed marbles, quartzites, and slates, all of them far too old to bear fossils or coal.
From Our Southern Highlanders by Kephart, Horace
The neighbourhood of Konyam Bay consists of crystalline rocks, granite poor in mica, and mica-schist lowermost, and then grey non-fossiliferous carbonate of lime, and last of all magnesian schists, porphyry, and quartzites.
From The Voyage of the Vega round Asia and Europe, Volume I and Volume II by Leslie, Alexander, fl. 1879-1882
The Bokkeveld beds are conformably succeeded by the sandstones, quartzites and shales of the Witteberg series.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 2 "Camorra" to "Cape Colony" by Various