. Bulletin of the British Museum (Natural History), Geology. 6 UPPER KIMMERIDGE CLAY OF DORSET out from the base of the cliffs to form the Kimmeridge Ledges, presenting a con- siderable hazard to shipping. The cliffs, which are seldom more than 150 ft. in height, are precipitous and crum- bling. A constant trickle of shale debris down the cliffs builds up piles of talus at their foot. Occasional larger falls bring down large pieces of the cementstone bands which litter the shore at the cliff base, and break the force of the waves. It is generally only at high spring tides that the sea can reac
. Bulletin of the British Museum (Natural History), Geology. 6 UPPER KIMMERIDGE CLAY OF DORSET out from the base of the cliffs to form the Kimmeridge Ledges, presenting a con- siderable hazard to shipping. The cliffs, which are seldom more than 150 ft. in height, are precipitous and crum- bling. A constant trickle of shale debris down the cliffs builds up piles of talus at their foot. Occasional larger falls bring down large pieces of the cementstone bands which litter the shore at the cliff base, and break the force of the waves. It is generally only at high spring tides that the sea can reach the foot of the cliffs. At the foot of the beach at low tide small ledges or reefs of shale are exposed, and these are the only places where fossils can be satisfactorily collected. The part of the Kimmeridge section described herein embraces parts of the Kim- CUDDLE. cEMENTSroN£ mL°* ledge GREY LEDGE. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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