Sketch of the ThuringerwaM. 



9^ 



ores it often contains disseminated through its mass, (giving 

 rise to numerous works), for numerous impressions of fish, 

 and more rarely for the impressions of plants it affords ; 

 lastly, adds M. de Hoff, but without noticing the locality,, 

 for the beds of coal it contains. Near Kupfersuhl, at tha 

 western extremity of the chain, the impression of a skeleton 

 has been found in it, which has been recognised as belonging 



by Werner, and Freiesleben, as given by Heron de Villefosse (Ricliesse 

 Minerale, vol. 2. p. 396, &c.), adding their equivalents in the English 

 series. 



CLASSIFICATION OF "WERNER. 



Oolite3 and Lias. 



New Red Sandstone 



Magnesian Limestone . < 



New red Conglomerate • 



I. Newer limestone (neueres kalkstein) witli 

 which is arranged the Cavernous limestone 

 (bohlen kalkstein) of the Jura, Swabia, 

 and Franconia. 



Red clay with gypsum; 



Variegated sandstone (bunter sandstein), 

 with oolites; 



Formation of rock salt and clay ; 



5. Ancient gypsum and fetid limestone ; 



6. Ancient limestone, comprising : 



Cellular limestone (rauchwacke) 

 Friable marl (asche) 

 Gryphite limestone (gryphitenkalk) 

 Compact marly limestone (zechstein) 

 Marno-bituminous limestone, named 

 some bitumiuEEser mergelschiefer, 

 others kupferschiefer, (copper slate) ; 



7. Floor of ancient sandstone (rotlie todte Lie 



gende.) 



by 

 by 



CLASSIFICATION OF FREIESLEBEN. 



Oolite and Lias \. Shell limestone (muschel kalkstein). 



'2. Formation of sand and clay (sand und thon 

 gebirge) comprising, without any deter- 

 mined order of superposition: 

 Clay (named letten) 

 Marl (mergel) 

 Gypsum (thon-gyps) 

 Sandstone (sandstein) 

 Argillaceous iron ore (thonartigea eisen- 



stein) 

 The coal of this epoch (steinkohle) 

 Limestone (kalkstein) 

 Oolite (roogenstein) 

 Sandy schist (saridschiefpr); • ' 



New red Sandstone . 



