102 LIAS OF ENGLAND AND WALES : 
The Sutton Stone has been extensively quarried near Sutton, 
more especially between Sutton and Sealawn, on both sides of the 
road, and again on the slopes facing the Black flocks near Pant-y- 
Slade. The principal working in 1887, was immediately south of 
Tusker Cottage, and the section was as follows: 
FT. IN. 
f Hard grey and white shelly limestones, with 
occasional pebbles of Carboniferous Lime- 
I stone, and near the base a band of tolerably 
compact blue limestone - - 6 6 
Sutton Series. -^ Massive bed of white more or less tufaceous 
I stone of variable character, with fibrous 
structure here and there, and much jointed 
and broken up in places. (Sutton Stone 
proper) - - 7 or 8 
The more abundant fossils are Ostrea multicostata, Plicatula in- 
iusstriata, Pectcn suttonensis (or Pollux), and Cardinia suttonensis ; 
but these are not very common, and the shells are frequently dis- 
solved away leaving the rock in a cavernous condition. I also 
obtained Gryphcea, Hinnitcs, Lima hettanyiensis, Ostrea arietis, 
Astrocwnia yibbosa, and lignite. 
Galena has been observed in several places in the Sutton Stone 
and overlying conglomeratic Beds. De la Beche observes that it 
occurs not only in the mass of the stone, but in joints of jet-like 
plants, and in cavities left by the dissolution of shells. He 
remarks also, that in some localities the stone is dolomitic : a 
specimen having been obtained at " Pare, two miles north-west of 
Bridgend."* 
Passing along the coast west of the Black Rocks near Sutton, 
we come upon the Sutton Beds, resting directly on the Car- 
boniferous Limestone ; and the general dip of the newer bed* 
being in a south-easterly direction, the stone, which at Sutton 
rises to an elevation of 200 feet, gradually descends to 50 feet and 
less above sea-level. 
On the coast here (\vest of Pant-y-Slade), the beds consist of 
white shelly conglomeratic and tufaceous stone, containing Ostrea, 
Corals, &c. ; they are variable in character, being in places coarsely 
conglomeratic; they show honey-combed weathering, and they 
rest irregularly on the Carboniferous Limestone. The basement- 
bed is generally the more conglomeratic, containing often lar^e 
boulders of Carboniferous Limestone in a creamy limestone-matrix ; 
but beds with no pebbles often lie in places directly on the 
older rock. The conglomeratic series contains curious sparry 
veins, sometimes tinged with a greenish colour. Corals derived 
from the Carboniferous Limestone, as well as fragments of chert 
and limestone also occur. 
The connection bet \veen the white Sutton Beds and overlying 
bluish-grey conglomeratic limestones of the Southerndown Series, 
may be traced in the ravine known as Pant-y-Slade, that descends 
* Mem. Geol. Survey, vol. i. pp. %72, 273 ; see also Bristow, Quart. Journ. 
Geol. Soc., vol. xxiii. p. 199 ; and Catalogue of Kock Specimens in the Museum of 
Practical Geologj, Ed. 3. p. 123. 
