

r, 



own k 



Jln ioston e 



: 



n 



pebbles 



fefo 



es 



; i Is and « 

 Green Sai 



e, ) compos 



(hit ire. 



ts of gran:' 

 Talk 



ir 



rom 



iddle par 



I burned f 



the fi 



its of g* 

 ediate sf ' 

 ootsofti 



ids into 

 •iodV 



unting 



ei 



o 



lim 



rd st* 



elag° 



ha 



hip 



re si^; 



o 



r 



>ro 



r ofli> 



I 



fron 1 



« 



5 



* 



? 



AND BRECCIAS. 



43 



18. 



Recent Conglomerate, composed of waterworn Upper 



, ^kl^ '— 1~ «-* } in ft calcareous bage# p b- Galleey. 



bles cemented together by lime. 



if Portland, Do 



Wall-case 41 



19. — Conglomerate, composed of large rounded pebbles 



of iron ore. 



Wales 



**.— I 4 wry. 



20. — Conglomerate, Cambrian.— The Burgs, Shrews- 



21. — Conglomerate. (P 

 21a. 



(A 



> 



y 



Jlerlfc 



tire of the 



tinated by a ferruginous cement round the 

 wheel of an old gun carriage. 



22.— Felspatiiic Breccia.— Mountain Mountain, Mont- 

 gomeryshire. 



ck flint, in 23.— Conglomerate, pebbles of slate, in a base chiefly 



ue Read composed of small quartz grains, cemented by oxide of iron. 



{north side,) Cornwall. 



24. — Breccia, composed of flesh-coloured felspar and grey 



{From Coal Measures.) 



- 



and green slate, in a base of clay. 



>JL 



D 



25. — Breccia, fragments of slate and a few pebbles of 



quartz, in a calcareous base, inclosing 



fossils. 



Uppe 



Llandovery, or Pentamerus beds, at the base of the Uppe 

 Silurian, and forming part of an ancient beach, or sea 

 bottom in shallow water, close to the island of the 

 Longmynd.— Longmijnd, Little Stretton, Salop. ("Geolo- 

 gical Journal," vol. iv., p. 296. Kamsay.) 



26.— Breccia, fragments of Wenlock shale, in a cal- 

 careous base.— Upper Heblands, near Bishops Castle, 

 Salop. 



27.— Conglomerate, rounded pebbles of slate'and white 



quartz in a calcareous base, composed of comminuted sea 

 shells. Part of a consolidated raised beach, near New 



Cornwall. JSee "Report on the Geology of Corn- 



T. De la Beche, pp. 426, 427, and 



Q 



H 



) 



28. — Conglomerate, composed of black flints 



siliceous base. 



in a 



Wit iting 



