Petrographical Notes on the Rock-Specimens collected in the Little Island of Trinidad, S. Atlantic, by the Antarctic Expedition of 1839–43, under Sir James Clark Ross

G. T. Prior
1900 Mineralogical Magazine and Journal of the Mineralogical Society  
The Little Island of Trinidad, as it is called to distinguish it from the larger island in the West Indies, is situated in the South Atlantic Ocean, about 700 miles off the coast of Brazil, in lat. 20°31' S. and long. 29°19' W. According to Ross, who in 1839 effeeted a landing on tile N.W. coast, the island is a mass of volcanic matter, the rocks of which it is composed assuming the most extraordinary shapes. The most remarkable of these are the Sugar Loaf Hill on the southern and the Nine-Pin
more » ... n and the Nine-Pin Rock on the north-western coast.
doi:10.1180/minmag.1900.012.58.01 fatcat:755aelagznb5vjqlxucz5t6cgu