. . . "Foid-bearing-microgabbro - A type of microgabbroic-rock. In the Rock Classification Scheme, it is the medium-grained equivalent of foid-bearing gabbro. British Geological Survey Research Report RR/99/06, section 5.1."@en . "stable"@en . . "Foid-bearing-microgabbro"@en . "MCFBGB"@en . "Foid-bearing-microgabbro"@en .