Item talk:Q41283

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Mindat Description

A grain-supported biochemical/chemical rock that contain no micrite

Geoscience Ontology Description

Carbonate sedimentary rock with recognizable depositional fabric that is grain-supported, and constituent particles are of intrabasinal origin; contains little or no mud matrix. Distinction from sandstone is based on interpretation of intrabasinal origin of clasts and grain-supported fabric, but grainstone definition does not include a grain size criteria.