...may here observe that the latter rocks, which arc chiefly compounds of hornblende and felspar, afford the most fertile soils of any in the district, when...calcareous matter, which is sometimes the case, affords a remarkably fine soil.* Limestone occurs in sufficient abundance in the vicinity of Torbay, Newton Bushel!,...

...may here observe that the latter rucks, which are chiefly compounds of hornblende and felspar, afford the most fertile soils of any in the district, when...decomposition has taken place to any sufficient depth; 10 much so, that when much disintegrated, they are sometimes worked as marl-pits for manure, and the...

...Devon, where scattered masses of trap occur, consisting chiefly of hornblende and felspar, they "afford the most fertile soils of any in the district when their decomposition has taken place to a sufficient depth" (De La Beche). Wherever the trap rocks (locally dun-stones) are observed at the...

...Devon, where scattered masses of trap occur, consisting chiefly of hornblende and felspar, they " afford the most fertile soils of any in the district when their decomposition has taken place to a sufficient depth" (De La Beche). Wherever the trap rocks (locally dunstones) are observed at the...

...may here observe that the latter rocks, which are chiefly compounds of hornblende and felspar, afford the most fertile soils of any in the district, when...the land thus treated is always found to be greatly benefitted. The trappean ash, particularly when mingled with calcareous matter, which is sometimes...