e of acliff; there, tunnels are drilled through someprojecting rock; while, in many places, wall-likemasses are partially detached from the cliffs so as155 Masterpieces of Science to stand out as buttresses, or are even completelyisolated in the form of needles, stacks, andskerries. A good example… … Fig. 43.—The Needles, Isle of Wight masses were once connected with this main body,though now completely surrounded by the sea.The headlands of chalk have been beaten aboutby the waves until a passage has been forced ata weak point, here and there; and pillars of chalkhave thus been separated from…
Astronomy · Geology
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