The universal geography : earth and its inhabitants

12
THE BEITISH ISLES.
chalk, this area of denudation Oldens out like an ancient boy upon the English
Channel. Its level parts consist of clay, above which rises a -central ridge composed
of Hastings sands.*
Quite as striking as the contrast between the rugged mountain regions which
occupy North Britain and the west of England is the difference of aspect presented
by the opposite coasts of the island. The east coast is of uniform contour, and
Sf^"
Kg. 6.
12. Permian.
—
Cteolooical Map of Sovth-Eastekn Enolash.
Accoiding to Beat. Scale 1 : 3,350,000.
2. Upper Tertiary. 3. London Clar, &c
J L
14. Devonian.
_ 50 Miles.
4. Chalk. bScH. Greensand and Gait.
10 & 11. Triassie, &c.
almost devoid of natural harbours, but their absence is somewhat compensated for
by the existence of estuaries ; the approaches to these, however, are often rendered
CiJmmating points of the uplands of Eastern England :—
Oolitic Limestone Ranges
Cretaceous Eanoes
Cotswold Hills, Cleevo Hill .... 1,134 feet^ i
. York Moors, Botton Head 1,498 „ ;*'