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Outlines of the Mineralogy and Geology 



COMPOUND MINERALS OR ROCKS. 



We liave adopted Werner's arrangement of Rocks. The 

 followins Table, founded on this arrangement, exhibits a view of 

 the rocks we have described. 



TABLE. 



I 



CLASS I 



Granite. 



PRIMITIVE ROCES 



IT. — Argillite. 

 li^;. — Primitive Trap. 



Var. 1. Graphick Granite. 

 2. Porplivritick Granite. 



IV 



Porphyry. 



Var. 1. Common Greenstone. 



2. Greenstone Porphyry, 



3. Green Porphyry. 



v.— Sienite. 



VI. 



CLASS n. 



Amygdaloid. 



Var. 1. Sienitick Porphyry. 

 2. Porphyritick Sienite. 



TRAJSrSITIOJsr MOCKS, 



VIL 



VIII. 



Greywacke. 

 CLASS III 



Sand. 



Pebbles. 

 Clay. 



Peat. 



Var. 1. Variolite. 



ALLVVML DEPOSIT, 



