Travels Amongst the Great Andes of the Equator

Travels Amongst the Great Andes of the Equator

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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. 1892 edition. Excerpt: ...had been seen from above. The following sentence contains the whole of the information that is given about them. "II n'y a ni feu ni laves de formation re'cente." This paper was kindly communicated to me by M. Remy after my return to Europe; and, having compared it with the several other accounts given of the craters of Pichincha, I have come to the conclusion that their authors were gifted with much imagination. lava about one hundred and fifty paces long, mainly firm rock, though strewn with loose, decomposing blocks, amongst which there were a number of lumps of pumice, up to a foot or rather more in diameter.1 Close to the very highest point (15,918 feet), ' 'Professor Bonney says: --" In the rock from the summit of Guagua-Pichincha, the external surfaces have a slightly scoriaeeous aspect; and, where the lichengrowth Is chipped away, are of a dull grey to rusty-brown colour. The fractured faces shew the matrix to be of a dull, but not dark colour, in places slightly vesicular, the walls of the hollows being coated with a pellicle of iron rust. In the matrix are scattered pretty thickly whitish felspar crystals, not generally exceeding 0-2 inch in diameter, and granules of a black mineral, less than 0-125 inch in diameter... The rock is a hornblende-andesite." The specimen " from the highest point of Rucu-Pichincha" (the peak ascended by Louis Carrel is presumably Rucu) "is a compact grey rock, containing scattered crystals of a glassy felspar up to about 0'2 inch in diameter, and smaller specks of a black pyroxenic mineral... Grains of magnetite occur... The matrix is often darkened by specks of kaolin and fcrrite... The rock is a hyperstheniferous augite-andesite."--Proe. Royal Hoc., Jan. 31, 1884. ' more

Product details

  • Paperback | 146 pages
  • 189 x 246 x 8mm | 272g
  • Miami Fl, United States
  • English
  • Illustrations, black and white
  • 1236648773
  • 9781236648778