492 



MR. T. TATE ON EECENT BOEINGS EOR 



uniform dip of its surface to the south-east, they bj^ no means 

 exhibit any like uniformity as to increase in its thickness. On the 

 contrary, they confirm our general experience of the variable and 

 uncertain possibilities, as the following table will show : — 



Salt. 



Borings. Depth. Thickness, 



ft. ft. 



N. Ormesby(4)... 1350 90 



Middlesbrough ... 1206 100 Due north of the next preceding. 



^^P'^^^1 ' 1^^^ ^4^''''^tBored20ft. of made ground). 



Tees Tilery 1562 90 Due east of the next preceding. 



Eston(4) 1569 82 North-east 



Lackenby (3) 1685 119 North-east „ 



Appendix. 



Whitehouse, Norton^ No. 1 borehole, 



[Altitude 76 feet above sea-level. Depth lOTOg feet. 

 Begun Peb. 13th and closed Sept. 17th, 1889.] 



II 

 > J 



1 Brown clay, sandy 



2 Blue clay 



3 Ked clay 



4 Brown clay, stiff 



5 Muddy sand 



6 Brown clay, sandy 



7 Grey ' pinnel and stones ' 



8 Stifi' brown clay with stones... 



9 Stiff brown clay 



10 Sand 



11 Sandy clay 



12 Strong brown ' pinnel ' 



13 Strong bi'own clay 



14 Strong ' pinnel and cobbles '... 



15 Brown * pinnel' 



16 Sand 



17 Dark gravelly 'pinnel' 



18 Grey ' pinnel and cobbles ' ... 



19 Brown ' pinnel' 



20 Sandstone 



21 Dark brown ' pinnel ' 



22 Dark red ' pinnel and cobbles 



23 Grey 'pinnel' 



\^ 24 Dark red ' pinnel ' 





Depth of 



Thickness 



each bed 



of each 



from 



bed. 



surface. 



ft. in. 



ft. in. 



8 





7 



15 



10 



25 



21 



46 



2 



48 '0 



2 



60 



2 



52 



2 



54 



14 



68 



1 



69 



1 



70 



7 



77 



1 



78 



6 



84 



1 



85 



6 



85 6 



2 



87 6 



2 



89 6 



2 10 



92 4 



4 



92 8 



13 4 



106 



1 6 



107 6 



7 



114 6 



6 



115 



