406 



Granite . - 



Stellften - 

 Granitello . * 

 Rapakivi - 

 Granitone 

 Murkften 

 Norka 



Porphyry - 



Pudding ftone 

 Siliceous breccias 



ABLE III. continued. 



j* Quartz, felt fpar and mica, 

 ^ Quart?, felt fpar and fhoerl. 



Quartz and mica.- 

 Felt fpar and mica. 



I 



Gfteifs - - 



Amygdaloides - 



Metallic rock of Born 

 Variolite 



Quartz, garnet and mica. 



[" Jafper, chert, lava, ftioerl containing 

 quartz, felt fpar, ftioerl, mica, or 

 ferpentine in a cryftaline form, 

 f Jafper, chert, filiceous grit, or lava, 

 containing pebbles of an oval form 

 The fame ground and contents, but 



in angular forms. 

 Quartz, mica, fteatites. 

 Quartz, mica, ferpentine. 

 Quartz, mica, ftioerl, fteatites, or 



foap rock. 



^Quartz, felt fpar, mica, ferpentine. 

 " Jafper, or chert, containing fpar or 



ferpentine. 

 Quartz, clay and fleatites, and felt 



fpar fometimes. 

 Serpentine, containingvarious flones. 



Proportion of Ingredients in Natural Salts. 



