[To Iij.rsTRATR Mr, Hrnrv Hicks's Paper. Aprii,, 1870, Page 156.] 

 A TAJBLE SHOWING THE NATURE OF THE DEPOSITS FORMING THE CAMBRIAN AND SILURIAN ROCKS IN DIFFERENT PARTS OF EUROPE AND AMERICA. 



Geoi.. Mag. 1876 (No. 142). 



Decade II. Vol. III. No. TV. 



2. "WeiJock. . 



3. Llandovery . 



6. Arcnig . . 



7. Treraadop . 



. Lingula Flag 

 , MeDevi&D . 



a Sandstone and Shale 

 b Limeatone (Aymestry) 

 e Shale (Lower Ludlow) 



a Limestone fWenloct) 



J Shale (Wenlock) 



e Limestone (Woolhope) 



a Conglomerates, Sandstones find Shales 



(Upper Llnndovery and May Hill) 

 b Sandstones and Sbalea (Lower Llando^ 



I Limestone and Slates 



' Slates and Flags (with Contemp, trap) 



I Shales, Slates, and Flags 



I Plage, Sandstones, and Slates 



■ Slates and Flags 



I Slates and Flags 



' Flaggy Sandstones, etc. 



a Sandstones, Slates, and FlagB 

 b Sandstones, Flogs, and Slates 

 c Conglomerates and Sandstones 

 Granite and Syenite (St. David's 



Grits, Flags, and Shales 

 (Ireleth Group) 

 I Grite (Coniston. etc.) 



(Grap. Muds tones) 

 It Limestone (Conistonl 

 b Slates, etc. (Green-slates 

 and Porphyries) 



(Cont«mp. trap) 



Slates and Flags (Upper 



Sandstones and Slates 

 Sandstones and Shales 



Sandstones and Slates 

 Slates (Angers, etc.) 



Schists, etc. (Contemp. 



Schists and Limestone 

 Schists and Limestone 



Bed Limestone or Schists 

 (D«roca,LeoQ,et«.) 

 Schistfl and Grits 



Gneiss and Granite 



Limestone and ScMsta 



Limestone and Schists 

 Schists 



Schists (with Contemp. 

 [Stage D.] 



Quortzites, etc. 2 



QuartKites, etc. 3 



Conglomerates, etc. 



Schists, etc. [Stage C] 

 Schists [Stages A. & B.] 

 Gneiss and Granite 



Limestone 



Limestone and Dolomite 



Limestone 



Limestone and Marly 

 beds 



Graptolite Schist 

 Ungulite Grit 



a Calcareous Shales and 



Sandstones. 

 b Limestone, Marls, and 



Limestone, Sandstones, Shales 



a Scliists and Limestone Conglomerates, Sand- 



b Limestone with Maris 



Schists and Limestone 

 Schists, etc. 

 Schists 



Schists and Limestone 

 Quartzite and Schists 

 Gneiss 



Sandstones and Slate 



[Potsdam.] 



Sandstones and Schists 

 Laureutian 



(Logui, BiKsbf, Dawion, 



Sandstones, etc. 



Limestone 



Limestones and Shaley 

 Sandstones 



Shale and Limestone 



Shales and Limestone 



Limestone and Calcareoiu 

 Sandstone 



Sandstones and Shales 

 Sandstones and Shales 



Limestone 



Limestone 

 Limestone 

 Limestone 



Limestone and Shales 



Limestone, Sandstone, 

 and Shales 



Sandstone with Cal- 



Limestone 



Lim^tone and Shales 

 Calcareous Shales 

 Sandstone and Shales 



Limestone and Shalea 



Limestone, Shales, am 

 Sandstone 



Sandstones and Shales 



I 



I Slates and Conglomerates 



The greatest thickness of sediment in Europe is found in the region 

 hordors. b may be taken to represent generally the thickness in the i 

 r the thinnest parts. 



c, D, and hence along t 



> the northern and 



Indeed, it is even probable that at no period n 

 place. The water must have encroached therefor 

 areiis. Those first submerged showing now the greatest thickness of conformable sediments. 



Itindrr ! Placo this table 



