BGS Rock Classification Scheme

Metasomatic-rock - A heterogeneous group of metamorphic rocks where metamorphism has involved a significant change in the chemistry of the protolith. Rocks commonly classified as metasomatic include fenite, greisen, rodingites, and skarn. British Geological Survey Research Report RR/99/02, section 8.

Code MESO
Description Metasomatic-rock - A heterogeneous group of metamorphic rocks where metamorphism has involved a significant change in the chemistry of the protolith. Rocks commonly classified as metasomatic include fenite, greisen, rodingites, and skarn. British Geological Survey Research Report RR/99/02, section 8.
Qualifiers No qualifiers currently exist.
Definition Metamorphic rock (grain size & protolith undefined) with significant chemical/minerlogical alteration; includes rodingite/fenite/skarn/greisen
Linked data http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/MESO

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.