"MCFMSY"@en . . "stable"@en . . "Foid-micromonzosyenite - A type of foid-microsyenitic-rock. In the Rock Classification Scheme, it is the medium-grained equivalent of foid-monzosyenite. British Geological Survey Research Report RR/99/06, section 5.1."@en . "Foid-micromonzosyenite"@en . . "Foid-micromonzosyenite"@en .