"Gabbro" Quotes from Famous Books
... group and attains an elevation of 5344 ft. Other noted peaks are M'Intyre (5210 ft,), Haystack (4918), Dix (4916) and Whiteface (4871). These mountains, consisting of various sorts of gneiss, intrusive granite and gabbro, have been formed partly by faulting but mainly by erosion, the lines of which have been determined by the presence of faults or the presence of relatively soft rocks. Lower Palaeozoic strata lap up on to the ... — Project Gutenberg Encyclopedia |