"stable"@en . . "Lower part: Calcareous diamictite with dominantly calcareous clasts. Central part: Schistose and feldspathic psammite and quartzite (discontinuous). Upper part: Quartz-rich diamictite with dominantly granite and quartzite clasts."@en . . . . . "0 - 250m in Sheet 55W"@en . . "Schiehallion Boulder Bed [Obsolete: use DBST]"@en . "Schiehallion Boulder Bed Formation"@en . . "Tillite (Banffshire) [Obsolete: use DBIS, DBST, DBPT]"@en . "Schiehallion Boulder Bed Formation"@en . . "Diamictite with subsidiary psammite and quartzite and trace metaconglomerate and metadiamictite. Stratified bedrock. Occurs onshore. Deposited during the Neoproterozoic Era (Precambrian) (1000-541 Ma BP)."@en . "541.0"^^ . "DBST"@en . . "Schichallion Boulder Bed [Obsolete: use DBST]"@en . "Gradation from biotite calc-pelite to calcareous diamictite over 10m."@en . . . "Sharp contact between quartzose diamictite and thinly-bedded quartzite. However, 10 - 20m bed of reworked granite diamictite occurs near base of Schiehallion Quartzite Formation on Cnoc nan Aighean."@en . "1000.0"^^ .