View 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; 
HYPERSTHENE ; SERPENTINE ; BASALT AND GREENSTONE. DRIFTED SOILS. 
§ 1. Soils derived from the decomposition of different rocks. 
In the pursuit of an important object, it is wise and proper to avail ourselves of all the 
aids within our reach to secure its attainment; and it is an imperious duty so to do, when 
[Agricultural Report.] 5 
