| Computer Code: |
FTM |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Devensian Stage (QD)
— Devensian Stage (QD) |
| Lithological Description: |
Gravelly clay and sand and gravel. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
A beaded ridge extending from Knaresborough in the west, through Flaxby, Great Ouseburn to Tollerton and Easingwold. |
| Parent Unit: |
Vale Of York Formation (VYORK)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Borehole at Limebar Field, Grafton [SE 4091 6298] (Stanczyszyn, 1982). |
| Reference(s): |
| Cooper, A H and Burgess, I C. 1993. Geology of the country around Harrogate. Memoir for 1:50000 geological sheet 62 (England and Wales). London: HMSO for the British Geological Survey. |
| Stanczyszyn, R. 1982. The sand and gravel resources of the country around Tholthorpe, North Yorkshire: description of 1:25,000 resource sheet SE 46. Mineral Assessment Report of the Institute of Geological Sciences, 88. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
