30 



MR. L. RICSIRDSOST ON THE RUSTIC OF [Feb. IQII. 



(LlLSTOCK.) 



Thickness infest inches. 



pq 

 it 



rd) 



17.] (2) 

 1(3) 



23. 



:}. 



24. 



' Shale, indurated, selenitic. ' Bone- ") n 



. Bed' S° 



Shales, black, with gritty layers ... 

 1 Sandstone-layers, thin, grey, mixed ") ~ 



[. with shale and much selenite ) 



f Shales, black, thinly laminated,") 

 with a number of thin gritty > 



seams — especially at the base ) 



Limestone, grey, shaly, but hard 

 and dark grey in places : 4 to 



6 inches 



Shales, black, laminated, green- 

 speckled, with much selenite 



Limestone, hard, greyish, in lenti- 

 cular masses, somewhat nodular : 



maximum 



Shales, black, very selenitic ; 2^ to 7 Q 



. 3 feet S 



Limestone, very hard, with black \ 



nodules ) 



Shales, black, becoming green along ") , 



the laminae j 



Thin gritty layer 



Shales, black 



n 

 m 



KEUPER. 



f Impure, bluish-grej r , shelly, sandy^j 

 limestone, micaceous in layers 

 with shale-partings. The top 

 layer is the most massive, the 

 others being thinner and having \>0 

 very thin shale-partings. A 

 little more to the east brownish- 

 green, very shell}', impure lime- 



^ stones predominate 



Shale, black and brown 



("Marlstone, greyish, shelly. The"] 

 I tests of the shells having been 

 <{ (in most cases) dissolved, a )-l 

 j cavernous appearance is imparted I 



^ to the bed J 



Marl, greenish - yellow and dark, ") 

 hard in places at the top : > 1 



maximum j 



C Marlstone, dark, greyish, with a"^ 

 3 tinge of green. The lower por- („ 

 1 tion divides up into four rather C 



v. regular bands ) 



( Marl, greenish-yellow and dark, 7 „ 



I more rubbly ) 



fMarlstone, greenish - yellow and^| 



black at the base. Usually divides | 



«j into two main beds, with a thinner }>1 



I layer — the darker portion — at the J 



[_ base J 



( Marl, dark yellowish - green and 

 (_ blackish. 



fCoprolites numerous, 

 , 3 Sybodus minor, Gyro- 



j lepis alberti (scales and 

 3 (. ? teeth). 



C Isocyprina ewaldi (Bor- 

 l nemann). 



9 Pteria contorta. 



3 



32 



^Pteria contorta very 

 common, Volsella sp. 

 indet. and much shell- 

 debris, Gyrolepis al- 

 10^<( berti, Sargodon tomicus 

 Plieninger, Lepidotus ? 

 (teeth), small Plesio- 

 saurian tooth, quartz - 

 pebbles. 



Pteria contorta com- 

 mon. 



3 Fish-scales (fragments). 



10 



C Pteria, Protocardia (?) . 

 \ fish-scales. 



3 Shell-debris, fish-scales. 



7 9 



