1857.] 



PHILLIPS — OOLITE AND LIAS, YORKSHIRE. 



91 



20 feet are grey and micaceous, soft and argillaceous sandstone, 

 mostly laminated and fissile, gradually passing into the 

 Lias shale below. Irony nests of Serpulce, Belemnites, 

 Aviculce, Pinnce, &c. {Fades liassic.) 



Lias shales below. 



Inland Section, Hambleton Hills. — We may now refer to a corre- 

 sponding section within the same geological limits, taken from the 

 ancient sea-cliff — now a bold inland escarpment — of Hambleton, 

 within a small distance of Thirsk. The total thickness of the oolitic 

 series above the Lias is 859 feet. # The Middle Oolite formation 

 consists of 



feet. 



Upper Calcareous Grit, as in Wass Bank 60 



Coralline Oolite 60 



Lower Calcareous Grit 100 



Oxford Clay 30 



Kelloway Rock, including argillaceous beds at bottom 100 or 120 



Section No. 3, PI. VI. represents the Lower Oolite formation in 

 this district. The Cornbrash is not seen here; its place is assumed, 

 with great probability, at about 1 20 feet below the top of the Kello- 

 way rock. 



a 



CO 



g£.J 



C CO 



O — t 



V3 



Oh 

 P 



o 



o «' 

 O CO 



ca 



o 



S <N 



.fi.2 



.13 OT 



o 



f. (Cornbrasb, place of.) 



Purplish and grey shales, yielding springs 



Yellowish sandstone 



Grey shales and white sandstone 



Fire-clay. Plants 



Shales and sandstone. Plants .< 



Sandstone, white, yellow, fine-grained 



Grey shales 



Brown iron-ore (rich) 



Ferruginous sandstone, including towards the base lenti- 

 cular aggregations of shells (Avicula) 



Sandy laminated shale, with shells at bottom 



Rough nodular shales, with Ostrea Marshii at bottom ... 



Shales 



Solid gritty calcareous beds ("glance") 



Irony argillaceous purple bed 



Brown laminated sands 



Blue solid calcareous bed 



Shale and layers of Ostrea crassa 



Shale 



Shale and laminated sandstone 



White soft sandstone 



Light-coloured thin sandy laminae 



Carbonaceous shale or fire-clay (elsewhere Coal in this 

 stage) 



White gritstone 



Yellow sandstone 



Rough nodular calcareous bed (" glance "), with Avicula 



Rubbly sandstone. (Nucleolites) 



ft. in. 



80 



2 







20 







35 







15 







30 







6 







4 







2 







8 











9 







3 



4 







3 







6 







3 







32 







3 







4 







40 







25 







2 







18 







* I have had the advantage of being accompanied in my late surveys of this 

 tract bv the Rev. C. Johnstone, Dr. Verity, and Mr. C. Strickland. 



