Proc. R.D.S. Vol. I 



D|)ZOIC AND CAINOZOSC ROCKS, 

 j*NS. 



Plate YlII 



III no place do all th 

 Uai'ely do any of the d: 

 and usually each is muc 

 estuarine deposits is of ( 

 the low land or " Red B 

 Neagh beds are best d 

 also been found in the 

 and sands with seams o 



Tne f-ryiptive Series a 

 In places there is a zor 

 thickness, at a height o 

 is a zone about 250 ft 

 Basal Series is more u 

 limestone. It often c: 

 beds of LigTiyte or Iron 



These Rocks have .in 

 place is the full thickn 

 best developed, the \Yhi 



This .small thiokne: 

 Zimcs of Beleniiiite? 

 A. planorbi.s, and a lo^'sj- 



The RhoeticBeds are 

 The Trias.>ic Beds s 

 adjoining Belfast Louj 

 siderable thickness of 

 and near Kingscourt, > 

 in them. Near Ardtre. 

 seem to be interbedded 



Veiy little is Ivnowi 

 exposed at Culti'a, on 

 in the Lagan Valley. 



Jiolian Drift. 



Alluvial Deposits. 



Peat (Bog.) 



Esker and other Marine Drifts. 



Olacialoid Drift (Meteoric.) 



Moraine Drift 

 Bouldev-clay do. 



Moraine Dri^ft ) qj^^j^j^ 



Lough Neagh Beds. 



Irou-ore Measures. 



Eruptive Series 

 1,-iOO feet. 



("Basal Series 

 I 20 feet. 



^^Tiite Limestone (Indurated Chalk 200 feet. 

 Hibernian Greensand, 100 feet, 



Lias. 



Rhcetic 100 feet. 



Keuper 1,100 feet 



Salt Measures 

 ' 100 feet. 



Bimter, 300 feet. 



Interbedded Doleryte 

 Ardtrea,Co. Tyrone; and 

 Scrabo Mill, Co. Down. 



Scale S3S-3 feet to One Inch^ 



