of Mixed Rocks. xv 



ZooTic V. Portions of entrochi mixed with the calca- 

 reous nodules. 

 (Kehrzu, near Clausthal in the Hartz, de 

 Bonnard.) 



Veined V Veins and small grains of spathose carbonate 



of lime. 

 (Schaatstein of Dillenbourg.) 



Species 2. VAKITE. 

 Base of wacke containing mica, augite, &c. 



Genus 8. WITH A BASE OF HORNBLENDE. 



Species 1. AMPHIBOLITE. 



Base of hornblende containing difTerent disseminated mi- 

 nerals. The structure sometimes compact, sometimes fissile. 

 Principal varieties. 



Granitic A The structure compact, the texture granular, 



containing garnets, serpentine, bronzite,&c. 



AcTYNOLiTic A The structure compact, the texture saccharine, 



the colour green, containing garnets, &c. 

 (Kaf in Bareuth.) 

 Micaceous A Hornblende and mica. The structure gra- 

 nular. 



Schistose A The structure fissile, the texture slightly 



fibrous. 



Species 2. BASANITE. 



A base of slightly brilliant and compact basalt, containing 

 different disseminated minerals. 



Principal varieties. 

 Compact B Hard, compact, containing augite, oUvine, 



titaniferous iron, &c. (Basalt properly so 



called.) 

 Cellular B Hard, cellular. Egg-shaped cells rare. 



Species 3. TRAPPITE. 



A base of hard, compact, dull, and often splintery (frag- 

 mentaire) cornean trap, enveloping mica, felspar, &c. (Trap 

 rocks). 



