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arenite  

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  • Arenite is a sedimentary clastic rock with sand grain size between 0.0625 mm (0.00246 in) and 2 mm (0.08 in) and contain less than 15% matrix. The related adjective is arenaceous. Since it refers to grain size rather than chemical composition, the term is used for example in the classification of clastic carbonatic limestones, as the granulometrically equivalent term sandstone is not appropriate for limestone. Other arenites include sandstones, arkoses, greensands, and greywackes. (Adapted from: https://en.wikipedia.org/wiki/Arenite)

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http://data.loterre.fr/ark:/67375/QX8-3SGCX71N-0

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