The Quarterly journal of the Geological Society of London . d-Clay plateau, here intersected by the dry upper Cray Valleyand its tributaries, between which the Halstead and Northsteadhills project as promontories, as shown by the plan and sectionon the next page, figs. 2 and 3. East of AVell Hill, at the level ofabout 430 feet. Miss H. Waring found a pointed specimen of theAmiens type on Cockerhurst Farm, near Shoreham. Farther westward, Mr. Crawshay has discovered on the highestsummits of the Chalk escarpment three other implement-bearinglocalities. The first of these is at Betsom Hill, near
The Quarterly journal of the Geological Society of London . d-Clay plateau, here intersected by the dry upper Cray Valleyand its tributaries, between which the Halstead and Northsteadhills project as promontories, as shown by the plan and sectionon the next page, figs. 2 and 3. East of AVell Hill, at the level ofabout 430 feet. Miss H. Waring found a pointed specimen of theAmiens type on Cockerhurst Farm, near Shoreham. Farther westward, Mr. Crawshay has discovered on the highestsummits of the Chalk escarpment three other implement-bearinglocalities. The first of these is at Betsom Hill, near Westerham, atthe height of 750 to 790 feet; the second is a little off the summit * * Ancient Stone Implements of Great Britain, p. Quart. Journ. Geol. Soc. vol. xlr. (1889) p. 295. LUIFT-STAGES OF TflR DARENT VALLEY. 131 at Ivy Cottnge, near Tatsficld, at the level of 780 feet, and the thirdat Titsey Hill, where the escarpment attains its greatest height- of804 feet (see PI. VI., tig. 3). Fig. 2.—Plan of the Halstead and NortJistead SCALE Pig. 3.—Transverse section (1) across the PrattsNorthstead- Bottom. Stoneh. & fields. 480.
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Keywords: ., bookcentury1800, bookdecade1840, bookidquarte, booksubjectgeology
