Computer Code: |
EDG |
Preferred Map Code: |
EdG |
Status Code: |
Full |
Age range: |
Kinderscoutian Substage (CK)
— Kinderscoutian Substage (CK) |
Lithological Description: |
Trough cross-bedded feldspathic, medium- to coarse-grained sandstone, typically thickly bedded. Ganister palaeosols are present in the upper part of the unit. |
Definition of Lower Boundary: |
Base taken where the predominantly sandstone sequence of the Eldroth Grit overlies siltstones of the Kirkbeck Member. |
Definition of Upper Boundary: |
Taken at the top of the highest sandstone of the Eldroth Grit, commonly containing rootlets, overlain by mudstone or siltstone of the Millstone Grit Group (undifferentiated). |
Thickness: |
30m (Bentham area); 50-60m (Settle district). |
Geographical Limits: |
Craven Basin, northwest England. |
Parent Unit: |
Hebden Formation (HEBD)
|
Previous Name(s): |
Eldroth Grit Formation [Obsolete Name and Code: Use EDG]
(-2168)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Eldroth, 3km south of Austwick, North Yorkshire. |
Reference Section |
River Greta section 2km west of Burton in Lonsdale, North Yorkshire. |
Reference Section |
River Wenning section 500m southwest of High Bentham town centre. North Yorkshire. |
Reference(s): |
Brandon, A, Aitkenhead, N, Crofts, R G, Ellison, R A, Evans, D J, and Riley, N J. 1998. Geology of the country around Lancaster. Memoir of the British Geological Survey, Sheet 59 (England and Wales). |
Bisat, W S, and Hudson, R G S. 1938. The Lower Reticuloceras (R1) goniatite succession in the Namurian of the North of England. Proceedings of the Yorkshire Geological Society, Vol. 24, 383-440. |
Whittard, W F and Simpson, S, 1960. Upper Carboniferous of England, Wales and Scotland, "in" Whittard, W F and Simpson, S. Lexique Stratigraphique International, part 3a VIII, Vol.18. Centre National de la Recherche Scientifique, Paris. |
Waters, C N, Waters, R A, Barclay, W J, and Davies, J R. 2009. Lithostratigraphical framework for Carboniferous successions of Southern Great Britain (Onshore). British Geological Survey Research Report, RR/09/01. 184pp. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E059
E060
|