BGS Rock Classification Scheme

Metacalcilutite

Code MARLMS
Description Metacalcilutite
Qualifiers No qualifiers currently exist.
Definition Meta-sedimentary rock with field identifiable argillaceous, muddy, limestone/cementstone/calcilutite protolith.Sedimentary rock with components >50% calcite/aragonite. 5-20% siliclastic mud-grade <0.032mm material.
Linked data http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/MARLMS

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.