BGS Rock Classification Scheme

Skarn - A type of metasomatic-rock. In many cases they result from metasomatism of calcareous rocks in thermal aureoles. British Geological Survey Research Report RR/99/02, section 8.

Code SKN
Description Skarn - A type of metasomatic-rock. In many cases they result from metasomatism of calcareous rocks in thermal aureoles. British Geological Survey Research Report RR/99/02, section 8.
Qualifiers No qualifiers currently exist.
Definition Crystalloblastic metamorphic rock, (grain size & protolith undefined but commonly carbonate rocks) with significant chemical/mineralogical alteration to protolith in a thermal aureole,+/- amphibole/pyroxene/garnet/magnetite; variety of metasomatic rock
Linked data http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/SKN

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.