BGS Rock Classification Scheme

Limestone, nodular (cornstone)

Code LMSTN
Description Limestone, nodular (cornstone)
Qualifiers nodular      
Definition Sedimentary rock with components >50% calcite/aragonite. Component size not defined. 5-20% of particles clumped together in, usually >2mm, nodules. Synonymous with cornstone.
Linked data http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/LMSTN

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.