"CHM"@en . . "Chalk Of Mull - Morvern [Obsolete: use GRIB, IHEB]"@en . . . . . . "archaic"@en . "Inner Hebrides Group"@en . "Chalk Of Mull - Morvern [Obsolete: use GRIB, IHEB]"@en . "Gribun Chalk Formation"@en . "85.7"^^ . "Obsolete name. Mudstone. Stratified bedrock. Occurs onshore. Deposited during the Santonian Age (Cretaceous Period) (85.7-83.7 Ma BP)."@en . . "83.7"^^ . . .