The BGS Lexicon of Named Rock Units — Result Details

Solva Group

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 (-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):
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.] 
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. 
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