166 DOMAIN X. THANSILIENT. 



NOME I. SIDERITE AND BASALT.* 



This transition may be observed in the Egyp- 

 tian monuments, and is not uncommon in nature, 

 when, in the German language, the massive 

 hornblende rock passes into grunstein ; or, in 

 other words, becomes interspersed with small 

 crystals of felspar; the common basalt of the 

 ancients. 



Siderite with basalt, from Egypt. 



The same, from Mount Sinai, 



The same, from the Alps. 



NOME II. BASALTIN AND BASALT, OR 

 BASALTON. 



That is, in the German dialect, Basalt pass^ 

 ing into Grunstein. Daubuisson observed this 

 of Meaner, transition, in great perfection, at Mount Meis- 

 ner, in Hessia, which rises like a colossus above 

 the other heights of that country, j- The mass is 

 of shelly limestone ; towards the top there are 



* The vague words with or and are used, because it cannot be 

 positively affirmed which graduates into the other. 

 f Sur les basaltes de la Saxe, p. 59. 



