Quart: mm. Geo]: Soc: VolXLVIl, Pl.W. 



Diagram- Sections showing the Relative Levels of the Plateau -and Valley - Drifts. 

 AND OF the Three Groups of Pal/eolithic Implements. 



Explanation. 



1. TaliayStt-ata w. Reiii Qcff vfiikFlints 



Z. OiaUi h. Upper ValJe)/-GrweL 



3 fTpper OreaisaiulaniLGaub, d Uievemju/ aTuLDuDimt-OreaiGniyel. 



</ Loner Gremsanl e_. Low-ljo/ei YaJL^Grewds. 



® St/iinal, Ftints. ■=' Inqiaiurds of the Platoabtype 



• Otert.&RaysioneFragmmts.O ImpUnmits of iiie EyhAfyel Group. 



t LocalUies. ® hiplanails of lh£ Low-Urel Gruitp. 



■ Scale,, 



HoriacrvUd. linch^lrnik 



Yaiical- mnck= 100 feet. 



Fig. I. Section from th^ upper part of the Cray Valley to Sevenoaks. 



S.EI? Sttmehowif. 



Twatj;l 



3r,s 



Ravi 



S40 SSC 



Movaitis 

 Court. Hill 



100 S$0 



frmii/hton Dunton. Bitcrhead, 



Bill Gpeai 

 JS7 ZJC 225 ZSO 330 



\ 



Fig. 2. Section from theThameis toOldbury Hill near Ightham. 



Oldbuiy 



nai 



to eoo 



Dcdry 



mil 



FiG.3. Section along the Crest of the Chalk Escarpment from Limpsfieldto Ightham. 



UilL 





S^Oen-'s 



Taryi 



yfmham. 



m 



mi 



765 



Lofl^t 

 KS 710 



HiH 



S* ^ 



»'i 



_fi-^!U_ 



__^« 







'"'''% 









~..n. 









% 









$u ifvsA 



