BGS Rock Classification Scheme

Melilitite, kalsilite-leucite-olivine - A type of melilitite. British Geological Survey Research Report RR/99/06, figs. 29, 30. Synonym: katungite.

Code MELKLO
Description Melilitite, kalsilite-leucite-olivine - A type of melilitite. British Geological Survey Research Report RR/99/06, figs. 29, 30. Synonym: katungite.
Qualifiers kalsilite   leucite  olivine 
Definition Fine-grained, av. <0.25mm, exotic crystalline extrusive/intrusive rock; kalsilite<leucite<olivine (all 5-20%)+melilite+glass; phlogopite, clinopyroxene absent; formerly Katungite
Linked data http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/MELKLO

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.