ForMATION. 
YORKSHIRE 
GENERALIZED ScHEME oF CoRALLIAN 
ToPrOGRAPHICAL 
DIvIsions AND VARIETIES. 
Locatitizs. 
AL 
SUPRACORALLINE. 
| 15-40 ft., wanting 
in places. 
1. Upper Calcareous Grit flank- 
ing the western part of the Vale 
of Pickering. 
2. Argillo - caleareous _ beds 
(Throstler) of the same locality. 
3. Argillo - calcareous beds 
(Cement) stones) of the Howar- 
dian Hills. 
Pickering, Kirkby Moor- 
side, Helmsley, Oswaldkirk. 
Pickering, Appleton Com- 
mon, near Kirkby Moorside. 
Hildenley, Burdale, Lang- 
ton. 
B. 
Corat Rac, sub- 
zone of Cidaris 
horigemma. 
1. Rag of the Scarborough 
district, without Cidaris jflori- 
gemma, 
Ayton, Brompton, Hack- 
ness. 
12-40 it. 2. Florigemma-Rag flanking} Sinnington, near Kirkby 
the western part of the Vale at | Moorside, Helmsley, Oswald- 
Pickering, on both sides. lark, Slingsby. 
3. Hlorigemma-Rag of Lang-|  Hildenley, Langton Wold, 
ton Wold. North Grimston. 
¢ 
C. 1, Oolites underlying the Rag] Seamer, Forge Valley, 
CoraLuIne OoxrrE. | of the Scarborough district. Brompton Keld. 
20-35 ft, 2. Chemnitzia-limestones, com- Pickering, Kirkdale, Sprox- 
pact or suboolitic ; impure earthy | ton, Ampleforth Beacon. 
limestones. Zrigonia-beds at base. 
3. Oolites of the Howardian} Malton, Settrington. 
Hills in part. 
Cr The TZrigonia-beds at the top| Filey Brigg, Pickering, 
MippiE Catcarnous| of this series in the Pickering | Duncombe Park, Wass Moor. 
GRIT. district are referred palzeontolo- | Not proved in the Howardian 
10-45 ft. gically to the Coralline Oolite. Hills. 
D. Upper Division. 
Lower Liuestonzs., 1. Oolites underlying the Scarborough Castle, Lime 
20-120 ft. M.C.Grit of the Tabular Hills, quarries of Silphoand Suffield. 
N.B.—The above 
figures do not re- 
present the abso- 
lute maxima and 4 
minima ot each 
formation. 
2. Oolites, sometimes split by 
a fourth grit, of the Hambleton 
Hills. 
8. Oolites of the 
Hills in part. 
Lower Division. 
1. Passage-Beds at base of the 
Lower Oolite in the eastern dis- 
tricts. 
2. Cherty Limestones of the 
Western districts. 
3. Basement Limestones above 
the L.C.Grit of the Howardian 
Hills. 
Howardian 
E. 
Lower Caucarrous 
Forge Thornton, 
Cropton. 
Hawnby Hill top, Kep- 
wick, Cold Kirkby, above 
Rievaulx. 
Broughton, Swinton. 
Valley, 
Scarborough Castle, Hack- 
ness (Lower Coral Rag), Filey 
Brigg, Wydale. 
Appleton, Brows quarry 
(Malton) 
Gir proper. 
