1847.] The Limestones^ and Lime. 73 



It contains bbn29 per cent of caustic lime. This is regarded 

 as a limestone of the first quality. The following from the same 

 town is inferior to the preceding; color white withjbluish streaks, 

 granular or crystalline. 



Analysis. 

 Carbonate of lime, - - - 90.66 

 Mica and silex, _ _ _ 3.80 



Carbonate of iron and manganese, - 5.54 



100. 

 Per cent of lime, 51.03. 



Limestone of Lisbon. It is found in the south west extremity 

 of Mink pond. Color white with gray stiipes, and mixed with 

 mica and quartz. 



Analysis. 

 Carbonate of lime, - - - 90.8 

 Mica and quartz, _ _ - 8.2 



Carbonate of iron and manganese, - 1.0 



100. 



A limestone from a quarry in the same neighborhood yielded. 



Carbonate of lime, - - - 81.6 

 Mica and quartz, _ - _ 15.6 



Carbonate of iron and manganese, - 2.8 



Per cent of caustic lime, 45.59, 



100. 



This lime is in good repute in the neighborhood, and is used 

 profitably in agriculture. 



Limestone of Lyme. Color grayish white, crystalline. 



Analysis. 



Carbonate of lime, - _ _ 71.70 



Silex, 25.70 



Carbonate of iron and manganese, 2.60 



" of magnesia, traces 



100. 



Per cent of caustic lime, 40.35. 



Limestone of Amherst yielded, 



Carbonate of lime, _ _ . 75.2 

 Iron and alumina, - - _ 2.4 



