﻿1861.] SYMONDS AND LAMBERT MALVERN AND LEDBURY. 155 



Explanation of the Geological Section on the Worcester and Hereford 

 Railroad, from 10 miles 330 yards from Worcester to 15 miles 

 1463 yards. — See Fig. 1. 



Miles, yds. 



At 10 330. Keuper Marls, red with grey bands. 



„ 550. Tunnel commences. 

 From „ 550. to 10 m. 704 yds. Keuper marls and sandstone, twisted and 



broken ; sometimes nearly horizontal, and sometimes with 



a dip of 50°. 



At „ 704. Syenitic breccia and thin band of black schist: dipping at 



an angle of 58° towards the hill. 

 „ 711. Syenite. 



,, 792. Thin band of chlorite, with black schist in contact. 



„ 836. Chlorite, with syenite caught up. 



,, 858. Syenite. 



, , 909. • Greenstone. 



„ 925. Syenite. 



,, 946. Greenstone. 



„ 1012. Black hornblendic rock, with highly crystallized felspar, with 



overlying greenstone. 

 „ 1037. Syenite. 



,, 1159. Two thin bands of Llandovery limestone, about 6 in. thick, 



with 2 ft. of marl. 

 „ 1160. Syenite. 



,, 1254. Llandovery shales and limestone in thin bands, pressed against 



syenite ; syenite overhanging. 

 „ 1320. Woolhope shales. 

 ,, 1436. Woolhope limestone. 



,, 1449. Wenlock shales and thin bands of sandstone. 

 At about 11 260. Wenlock limestone (thickness uncertain). 

 Up to ,, 440. Lower Ludlow shales. 



At „ 440. Old Red marls, with thin bands of grey and red sandstones. 



From ,, 1012 to about 13 m. Local drift and red marls. 

 At about 13 0. Ludlow rock. 



,, 44. Old Red, lying unconformably against Ludlow rock. 

 From „ 44 to 14 m. 352 yds. Local drift and red marls. 

 At 14 352. Upper Ludlow rock. 



„ 880. Old Red marls. 



„ 1144. Upper Ludlow rock. 



,, 1298. Aymestry rock. 



,, 1342. Lower Ludlow rock. 



, , 1430. Local drift, 40 ft. thick, overlying drift derived from Old Red 

 Marl : Lower Ludlow rock beneath. 



„ 1518. Upper Ludlow rock. 



,, 1600. Aymestry rock. 

 From „ 1600 to 15 m. 406 yds. Ludlow and Wenlock shales. 

 At 15 406. Wenlock limestone, horizontal. 



„ 572. Lower Ludlow rock, angle 12°, north, passing at about 886 

 yards to 75°, south. 



,, 957. Aymestry rock, angle 75°, south. 



,, 1029. Upper Ludlow shales, angle 75°. 



„ 1087. Downton sandstone, angle 75°. 



,, 1091. Passage-beds into the Old Red Sandstone, angle 75° ; thin 



bands of grey and red sandstones. 

 ,, 1186. Tunnel's mouth. 

 ,, 1463. Section ends. 



