LAMPLUGH: NOTES ON COAST BETWEEN BRIDLINGTON AND FILEY. 427 
conformation, the sea having penetrated into it by two caves, through 
which the loose material has been withdrawn, so that two large pit- 
like " blow-holes " have opened up near the edge of the cliff. There 
is a fault in the Chalk, accompanied by much contortion and the 
formation of veins of calcite in the shattered rock, in the centre of 
Selwicks, a northerly downthrow bringing, for a short distance, the 
flintless Chalk once more into the cliffs. (See Y. Geol. and Pol. Soc, 
Vol. VII. (1880), p. 242, for further description). The lower part of 
the drifts around Selwicks is largely composed of re-arranged Speeton 
Clay ; and fragments of the characteristic fossils of that formation 
are quite plentiful here, as are also transported fragments of marine 
arctic shells. 
FIG. 2.— SECTION AT THE TOP OF THE CLIFF AT COMMON HOLE, SELWICKS, 
SHOWING SURFACE-CONTORTIONS IN THE CHALK. (g. W. LAMPLUGH). 
The wavy lines represent the bedding-planes of the Chalk-with-flints : 
top layers broken into rubble. Above is seen the dark ' Basement ' Boulder- 
clay. 
From Selwicks to the high cliffs of Buckton, the sections are 
made up entirely of flinty Chalk, with a variable capping of drifts. 
To the hardness of the rock, as much as to the tumultuousness of the 
sea, is due the fantastic and picturesque outlines into which this part 
of the coast is broken. 
At Old Dor, opposite to Bempton, the beds are magnificently 
contorted, being thrown into sharp folds from the top to the bottom 
of a cliff 275 feet high. Photographs of this fine section were issued 
to the members in 1882, and a photograph of Little Thorn wick Bay, 
two miles to the south-eastward, in 1885 ; and in each case a brief 
description of the locality will be found in the annual volume. 
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