Arenite

Arenite is a sedimentary clastic rock with sand grain size between than 0.063 mm (0.00256 in) and 2 mm (0.08 in).^[1] The term is used in the classification of clastic carbonatic limestones, as the granulometrically equivalent term sandstone is not appropriate for limestone.

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Arenites mainly form by erosion of other rocks or turbiditic re-deposition of sands. Some arenites contain a varying amount of carbonatic components and thus belong to the rock-category of carbonatic sandstones or silicatic limestones. Arenites often appear as massive or bedded medium-grained rocks with a medium- to wide-spaced preferred foliation and often develop a pronounced cleavage.

See also

• Lutite
• Rudite
• Psammite

References