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GLACIAL DEPOSITS
CHAP. XII.

loose sand, loam, and pebbles, are so complicated that not only may we sometimes find portions of them which maintain

Fig. 29

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Cliff 50 feet high between Bacton Gap and Mundesley.

their verticality to a height of ten or fifteen feet, but they have also been folded upon themselves in such a manner that continuous layers might be thrice pierced in one perpendicular boring.

At some points there is an apparent folding of the beds round a central nucleus, as at a, fig. 30, where the strata seem


Fig. 30

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Folding of the strata between East and West Runton.

Fig. 31

Geological Evidences of the Antiquity of Man Fig. 31.png

Section of concentric beds west of Cromer.
1 Blue clay. 3 Yellow sand.
2 White sand. 4 Striped loam and clay.
5 Laminated blue clay.

bent round a small mass of chalk, or, as in fig. 31, where the blue clay, No. 1, is in the centre; and where the other strata, 2, 3, 4, 5, are coiled round it; the entire mass being twenty

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