BGS Rock Classification Scheme

Olivine-chromite-rock, cumulate

Code	OCRCU
Description	Olivine-chromite-rock, cumulate
Qualifiers	cumulate
Definition	Coarse-grained av. between 2-16mm normal crystalline intrusive rock commonly with >5mm sub-monomineralic layers; olivine<chromite, combined >50% of rock
Linked data	http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/OCRCU

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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.