. . "LMSD"@en . . . . . . . . "stable"@en . "Lime-sediment"@en . "Lime-sediment"@en . "Lime-sediment - In the Rock Classification Scheme, these are carbonate sediments in which the dominant carbonate mineral is calcium carbonate in the form of calcite, aragonite and/or vaterite (vaterite is a metastable hexagonal form of calcium carbonate. It is exceptionally rare and it is unlikely that it would ever occur as the main mineral). British Geological Survey Research Report RR/99/03, section 3 and fig. 6."@en . .