276 



CATALOGUE OF THE LOCAL FOSSILS IN THE 



South Tyne, "Wear, and Derwent; the valleys of the east and 

 west Allen ; the lower part of North Tyne, "Wansbeck, Coquet, 

 and Aln are cut out of this series. In the valleys of the Tyne, 

 "Wear, and Tees, the whole series may be observed from the 

 Pell Top limestone to the Great "Whin Sill. The following sec- 

 tion from "Westgarth Forster shows the order of succession of 

 these beds in the Alston Moor district, and applies also to "Wear- 

 dale and Teesdale : — 



Fms. ft. 



Limestone ( Fell Top) 



Crow Coal occasionally, 

 Hazle, or Upper Coal sill . 



Plate (Shale) 



Hazle (indurated sandstone) 

 Plate 



Hazle 2 



Plate 1 



Upper Slate Sill 4 



Plate i • 5 



Whetstone sill (fine-grained 



sandstone) . 1 



Plate 2 



Ironstone (with coal) I 



Freestone (with iron pyrites) 5 



Plate 6 



Girdle beds 



Plate 3 



Hazle (Pattison's sill) 1 



Plate 3 



Little Limestone 1 



Little Hazle 



Plate > 



Coal ]" - 



High coal sill 



Plate ) 



Coal j" ' 



Low coal sill 2 



Plate 3 



Great Limestone 10 



Tuft 1 



Plate 2 



1 



Fms. ft. 



Limestone post (calcareous 



sandstone) 4 



Quarry Hazle 4 



Plate,.. 6 



Great Girdle bed 1 



Limestone {Four -fathoms) . 4 



Quarry Hazle {Nattrass Gill) 4 



Plate 6 



Limestone & Little Whin 



Sill' (three yds. Weardale) 2 



Plate. 2 



Hazle (Arthur's Pit quarry 



sill, six-fathom Hazle) ... 4 



Plate.. 1 4 



Limestone (five yards Wear- 

 dale). .: 1 2 



Hazle 2 



Plate 1 3 



Limestone {Scar) 9 



Plate 3 



Grey beds (coal occasionally) 2 1 



Plate 1 2 



Limestone (Cockle - shell, 



Prodacta gigantea) 1£ 



Hazle 2 3 



Plate 4 



Limestone 4^ 



Plate 4 3 



Limestone (Tyne-bottom) ..3 4 



Whetstone 4J 



Whin sill (Igneous) variable. 



