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
Type Area  Solva, c.6km southeast of Saint Davids, Pembrokeshire. 
Type Area  Solva, 6km southeast of Saint David's, Pembrokeshire. 
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. 
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: