Chalk is a soft, white, porous, sedimentary rock composed primarily of the mineral calcite (calcium carbonate). It is often associated with marine environments and is characterized by its distinctive white color and powdery texture.
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Factors controlling and influencing polymorphism, morphology and size of calcium carbonate synthesized through the carbonation route: A review - ScienceDirect
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Limestone as an Industrial Mineral - ppt download
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Chalk - CAMEO
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PDF] A naturally fractured chalk reservoir in the Ekofisk Formation: characteristics, petrography and stable isotope signature of cemented fractures and faults (The Kraka Field, Danish North Sea)
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SEM photographs (White Chalk from Harmignies). (a) Intact parent rock
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