238 



MESSES. G. W. LAMPLUGH AND J. F. WALKER ON [May 1903, 



abundant on the tip-heap of this pit ; and we were assured by 

 the quarrymen that the stone occurred in the same position as 

 in the other pits. Some of this stone was richly streaked and 



Fig. 3. — Section at the northern end of Rigby Harris's sand-jrit, 

 Shenleif Hill. 







-^fc^s Excav ated 

 -_■="■=:..> and 

 '.>::'^ re-filled 

 : . '."-"•;: -'-!;\ with 



■ ' :V;"-:-':'k spoil 



Scale:- 1 inch = 10 feet. 



Brown clayey soil, with small stones. 

 1 foot. 



Bluish-grey Bouhler-Clay, composed 

 of re-arranged Gault, speckled with 

 small pieces of chalk, flint, iron- 

 grit, and a few pebbles of quartzite, 



etc 2 to 6 feet, merging 



downward into 



Gault : bluish-grey shaly clay in the 

 upper part, and dark blue below ; 

 with a few small pyritous clay- 

 stone-nodules just above the base. 

 4 to 7 feet. 



Irregular band of iron-grit, with 

 smooth - worn wrinkled surface ; 

 usually dark liver-red, but in 

 places crimson ; occasionally split 

 bj T ochreous partings and lenticles 

 of coarse grit and iron-gi'it breccia. 

 1 to 3 inches. 



Ochreous or greenish-yellow loamy 

 sand, grit, and breccia ; replaced 

 here and there by lenticles of pale 



flesh-coloured or yellowish gritty 

 limestone, full of fossils. 



1 to 2 feet. 



E. Undulating iron-grit band, as a rule 

 sharply defined, but in one place 

 approaching the upper band and 

 there becoming lenticular and con- 

 fused 2 to 3 inches. 



P. Greyish greensand, moist and loamy, 

 with clayey streaks and lenticles of 

 pebbly grit 2 to 3 feet. 



G. Lenticles of dark-red and ochreous 

 iron-grit, with small included 

 nodules of sandy pyritous clay- 

 stone ; streaks of fullers' earth, 

 dark clayey greensand, and ochreous 

 loam below ; forming a well-defined 

 band capping the ' silver-sands.' 



1 to 1J feet. 



H. 'Silver-sands': clean white or iron- 

 stained sand, strongly cross-bedded, 

 with sporadic masses of ironstone 

 sometimes containing traces of 

 wood 10 to 1-5 feet seen. 



dappled with glauconite, but was otherwise exactly similar to that 

 seen in the adjacent sections, and contained the same fossils. Most 

 of these blocks have since been broken up at our instigation, and 

 the fossils sent to one of the authors. 



