Height above 0. D. Letel about 140 feet. 



Thickness of 

 Beds in feet. 



pq 



3^ 



•73 CD 



B pq 



pq^. 



6C CD 



oS be 



pq s 



1-3 ° 





w oj ■ 



3 



1 



X 



2! 



8 

 1 

 4| 



n 



301 

 10 



19 

 5 



H 



H 

 11 

 23| 



1 



1 



2J 



9i 



51 



2 J 



2 



1691 

 1 



2 

 18i 

 5 



71 

 1 

 a 

 25 



1 



38 3 



81 



3 



10 



19 



29 

 1 



91 



1 



15 

 101 



21* 



1 



6£ 

 10 



7A 

 3 



22 



10 

 250 



Depth 

 in feet. 



3 



4 



H 



10} 



ni 



131 



17 



25 



26 



30} 



371 



68 



78 



97 

 102 

 1051 

 109 

 120 

 1431 

 150 

 151 

 152 

 154| 



164 



1691 



1711 



1731 



343 



3431 



362 



367 



3741 



375 



400 



400| 



4381 



447 



450 



460 



479 



508 



508| 



518 



519 



534 



5441 



666 



567 



5731 



5831 



591 



594 



602 



624 



Strata passed through in the Brookwood Deep "Well. 



Brown sandy bed. 



Gravel (well-rounded pebbles of flint in greenish sand). 



Dark sand 1 



'Trnn hind ' nr 'riist' Dark % rey and black Sand » 



iron Dana, or rust I with traces of pyrites and frag- 



Shaly band Omenta of clay ironstone highly 



Dark sand I "weathered, with sand-grains 



' Marly ' with sandy veins J adherin S t0 the old surfaces. 

 ' Light marl' (quite a pure pipe-clay in the specimens). 

 Brown clay (a very stiff clay slightly laminated) . 

 ' Greenish clay.' 

 Dark brown sand. 



Dark sand with pyrites and cement-stones. [grains). 



Hard dark (carbonaceous) loamy sand (with some black 

 Lighter grey (carbonaceous) sand (black grains more 

 Darkish grey sand (loamy). [numerous). 



Grey loose sand (with black grains). 

 Light grey sand. 

 Grey sand (with black grains). 

 Dark grey carbonaceous coherent sand, with pyrites. 

 Hard dark shaly sand and j Specimens preserved of a 

 Grey sand. [clay. > dark grey indurated marl 



Dark - clay.' ) with a very definite fracture. 



Nearly black shale with intervening layers of grey sand, 



inclosing numerous green and black grains. 

 Thinly-laminated sandy shale (light grey) with minute 



black grains and spangles of mica on planes of laminse. 

 Fine clay and sand \ The specimens are similar to 



Clay 



Light grey sand 

 London clay. 

 ' Bed of stone.' 

 London clay. 

 ,, ,, with pyrites. 



those of the bed next above, 

 rather more sandy. 



but 



' Bed of stone.' 

 London clay. 

 ' Bed of stone.' 

 London clay. 



,, ,, with pebbles. 



" " 



,, ,, (thin sand layers). 



,, ,, with pebbles. 



)> »> 

 ' Bed of stone.' 

 London clay. 



„ ,, with pebbles. 



The ' beds of stone ' 

 may be regarded as sep- 

 taria for the most part. 



The only specimens 

 preserved are what ap- 

 pear to be typical of the 

 clay and the stone-beds 

 respectively. The former 

 ^ia a mass of bluish-grey 

 indurated clay, marly 

 enough to have a pretty 

 definite fracture ; the 

 latter, " found in the L. 

 Clay," is simply a portion 

 of an ordinary septarian 

 nodule or ' argillaceous 

 limestone.' l 



J 



Dark sandy clay (basement-bed of L. clay : no record of 



Dark brown mottled clay. [pebbles). 



' Bed of Stone.' 



Bed mottled clay (a very characteristic specimen pre- 



Bed sandy clay. [served) . 



Fine sand. 



Red sandy clay. [olive -green grains). 



Coarse brown red sand (very ferruginous, with black and 



Bed mottled clay, interbedded with dark grey sand, with 



traces of pyrites and numerous green grains. 

 634 Loose grey sand of the same description as in the bed 



Chalk with flints. [above. 



The specimens of flints preserved from the chalk are of 



the usual colour of native flint from that formation. 

 Cf. Etheridge, Manual of Geology and Palaeontology, pp. 609, 610. 



