BGS Rock Classification Scheme

Metapisoid-aragonite-limestone

Code	MARMIS
Description	Metapisoid-aragonite-limestone
Qualifiers	No qualifiers currently exist.
Definition	Meta-sed rock, field identifiable aragonite-limestone protolith. >50% calcite/aragonite, >50% of Ca-carbonate is aragon. Pisoids dominant allochem, >2mm coated grains smooth regular laminae, usually spherical/ellipsoidal not obviously of biogenic origin
Linked data	http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/MARMIS

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CAVEAT

"Thumbnail" definitions attached to some of the table entries are an interim attempt to provide simple short descriptions of the "unqualified" rock types presented within the BGS Rock Classification Scheme. Every effort has been made to ensure accuracy and consistency but minor contradictions or omissions might be present. The BGS welcomes any feedback pointing out such minor imperfections and/or providing constructive comment and suggestions for improvement of the definitions. In the first instance such feedback should be directed to Dr Tim McCormick.