Computer Code: |
SOS |
Preferred Map Code: |
Sol |
Status Code: |
Full |
Age range: |
St David's Series (ED)
— St David's Series (ED) |
Lithological Description: |
Greenish grey sandstones, locally coarse and pebbly, and interbedded mudstones. |
Definition of Lower Boundary: |
Drawn at the base of the Solva Group where it rests conformably upon the Caerfai Group. |
Definition of Upper Boundary: |
Drawn at the conformable upward passage of the Solva Group to the Menevian Group: separated on palaeontological grounds. |
Thickness: |
c.500m |
Geographical Limits: |
1:50,000 Sheet 209 (St.David's) and probably the adjacent Sheet 210. (Pembrokeshire, west Wales). |
Parent Unit: |
Not Applicable (-)
|
Previous Name(s): |
Solva Series [Obsolete Name and Code: Use SOS]
(-4896)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Solva, 6km southeast of Saint David's, Pembrokeshire. |
Type Area |
Solva, c.6km southeast of Saint Davids, Pembrokeshire. |
Reference(s): |
Watts, W W, 1929. "In" Evans, J W and Stubblefield, C J. Cambrian Handbook of the geology of Great Britain, p.46-48. |
Hicks, H, 1881. The classification of the Eozoic and lower Palaeozoic rocks of the British Isles. Popular Science Review. Vol.5, p.289. |
Jones, O T. 1931. The Cambrian Rocks. "In" Cox, A H and others. The Geology of St. David's district, Pembrokeshire. Proceedings of the Geologists' Association, Vol.41, p.253. |
Rushton, A W A. 1974. The Cambrian of Wales and England, 43-121 in Holland, C H (editor), The Cambrian of the British Isles, Norden and Spitzbergen (Lower Palaeozoic rocks of the world, 2). [London: John Wiley and Son.] |
Wood, A, 1969. The Precambrian and Lower Palaeozoic rocks of Wales. "In" A report of a symposium held at the University College of Wales, Aberystwyth, in honour of Jones, O T, (Professor) and Pugh, W, (Sir). Published by Cardiff University of Wales Press. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E209
|