284
PROCEEDINGS OF THE GEOLOGICAL SOCIETY.
removed from the rock readily falls apart, so that even the beds of
fine sand and soft marl yield less to the denuding agents than does
this bed.
When first the bed appears at the beach it is overlain by one of
fine red sand, which is about seventy feet thick and contains no
Fig. 2. — View of the Cliff, looking Westward.
Bed
marl.
pebbles

but a bed immediately above this has here and there a
pebble, The exposure of the pebble-bed itself, from where it is first
Fig. 3. — Front View of the Cliff, showing the Pebble-bed as it first
rises from the beach.
• if
Bed sand.
Pebble-bed. =
Beach.
seen to begin eastward, to the point westward where it rises above
the beach, is near half a mile

and here the underlying bed in
contiguity with it is shown to be red marl.
Going westward, again, we find about a quarter of a mile further
on that the red sand-bed lying above the pebble-bed thins out, and
about half a mile further westward still the pebble-bed itself dis-
appears, and the whole of the cliff becomes red marl.
This bed of red marl extends as far west as Littleham Bay, about
a mile beyond the point where the pebble-bed thins out

and here
it abuts against a conglomerate containing pebbles of Carboniferous
Grit, of small size and very angular. This abrupt junction of