

f'i'eit' of the Adirondack Pass. 



CHAPTER IV. 



AGRICULTURAL GEOLOGY. 



general observations on the soils derived from the decomposition of different rocks. classifica- 

 tion of rocks. analysis of simple minerals : felspar and albite ; labradorite ; hornblende j 

 hypersthene; serpentine: basalt and greenstone, drifted soils. 



^ 1. Soils derived from the decomposition of different rocks. 



In the pursuit of an iiuportant object, it is wise and proper lo avail ourselves of all (he 

 aids within our reach to secure its attainiaeni ; and it is an imperious duty so to do, when 

 [Agricultural Report.] 5 



