The BGS Lexicon of Named Rock Units — Result Details

Dalswinton Moraine Formation

Computer Code: DSMO Preferred Map Code: notEntered
Status Code: Full
Age range: Devensian Stage (QD) — Devensian Stage (QD)
Lithological Description: Glacial diamicton, bouldery, silty and sandy; very poorly exposed.
Definition of Lower Boundary: Not seen: probably unconformable on Lower Palaeozoic greywacke or Permian sandstone bedrock.
Definition of Upper Boundary: The Upper Boundary is the present ground surface.
Thickness: none recorded or not applicable
Geographical Limits: Northwestern flank of the valley of the River Nith in the vicinity of the village of Dalswinton c.8km northwest of Dumfries.
Parent Unit: Southern Uplands Glacigenic Subgroup (SUDR)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Northwestern flank of the valley of the River Nith in the vicinity of the village of Dalswinton c.8km northwest of Dumfries. Two large linear ridges with intervening glacial drainage channel (up to c 30m deep). No good exposures so nature and thickness of deposit uncertain. 
Reference(s):
British Geological Survey. 2005. Solway West. Scotland Special sheet. Superficial Deposits and Simplified Bedrock. 1: 50 000 Geology Series. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S009