Bulletin of the Geological Society of America Volume 7

Bulletin of the Geological Society of America Volume 7

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1896 edition. Excerpt: ...of the Gavea. Eschwege records many about Angra dos Reis, in the southern part of the state of Rio de Janeiro. Mr Darwin speaks of having seen at Rio "large sized boulders of greenstone." f Around and about South America. Frank Vincent. 5th ed., New York, 1895, p. 313. tThe State of Ceara. Jose Freire Fontenelle. Chicago, 1803, p. 32. Trabalho da Commissao Scientifica de Exploracao. I, Iniroduccao, Rio de Janeiro, 1862. Relatorlo da Seccao geologiea. O. S. da Capenena, cxxxix. Geological Observations, p. 468. Agassiz: Journey in Brazil, p. 86. Hartt: Geology and Phys. Geog. of Brazil, pp. 28-30. Bianner: Jour, of Geol., vol. i, 1803, p. 764. USee also Reise nach Brasilien. H. Burmeister. Berlin, 1853, ill, p. 112. See also South American Sketches. T. W. Hinehliff. London, 1863, p. 224. In the region northeast of Rio they are locally abundant from the bay to Bahia, varying in size from a few inches to more than fifty feet in diameter (see plate 14). They are more abundant in the mountainous and hilly regions, but they are not confined to them.X Some enormous blocks, 25 or 30 feet in diameter, have been cut through in building the highway and railway from the foot of the Serra to Petropolis. Here and there they have been left perched upon points and ledges by the decay and removal of the rock from about them. Many striking illustrations occur at and about Itatiaia, in western Rio de Janeiro. A beautiful example is figured by Homem de Mello at this peak.f Along the line of the Pedro Segundo railway they may be seen all the way from Rio de Janeiro to near Barbacena. In the interior of Minas similar boulders are found wherever the granites, gneisses or other crystalline rocks occur. They are abundant along the valley of the Parahybuna, ...show more

Product details

  • Paperback | 252 pages
  • 189 x 246 x 13mm | 458g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236652118
  • 9781236652119