The BGS Lexicon of Named Rock Units — Result Details

Poppleton Glaciofluvial Member

Computer Code: POPP Preferred Map Code: notEntered
Status Code: Full
Age range: Devensian Stage (QD) — Devensian Stage (QD)
Lithological Description: Dominantly glacio-fluvial sand and gravel in esker ridges, outwash fans and less definite spreads of sand and gravel.
Definition of Lower Boundary: Unconformable on glacial till (Vale of York Formation).
Definition of Upper Boundary: The present land surface.
Thickness: To about 20m
Geographical Limits: Vale of York, in York area north of York Moraine.
Parent Unit: Vale Of York Formation (VYORK)
Previous Name(s): Glacial Sand And Gravel (GSG)
Poppleton Glaciofluvial Formation (-4264)
Sand And Gravel (-4265)
Fluvio-Glacial Sand And Gravel (-464)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Sand and gravel sequence at northern side of York Moraine in vicinity of Poppleton. Site investigation borehole SE55SE/155 (SE5664 5392) gives a typical section of mainly sand and gravel to a depth of 20.12m. 
Reference(s):
1:50k geological map of Selby (Sheet 71) (in prep): Selby Sheet Explantion (in prep). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E062 E063 E070 E071