BGS Rock Classification Scheme

Cementstone (historical use only)

Code CMST
Description Cementstone (historical use only)
Qualifiers No qualifiers currently exist.
Definition Sedimentary rock, components >50% undefined carbonate, petrological study shows non-obliterative insitu botryoidal calcite pseudospar masses. Grains & biogenic material do not constitute a framework. Radial fibrous calcite cement. Pseudosparstone.
Linked data http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/CMST

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.