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): | Fluvio-glacial sand and gravel [Obsolete Name and Code: Use GFSG]
(-464)
Poppleton Glaciofluvial Formation [Obsolete Name and Code: Use POPP] (-4264) |
||
| 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 | |||