A Manual of the Geology of India; Economic Geology Volume 3, PT. 1

A Manual of the Geology of India; Economic Geology Volume 3, PT. 1

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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. 1898 edition. Excerpt: ...made by Mr. LaTouche into Zanskar. Rubies of good "water," white sapphire, as well as massive corundum (corundum rock) are reported to have been found with the sapphires of the Zanskar range,1 whilst the Rev. A. W. Heyde, writing of the sapphires, refers to crystals from the same area which "looked for about an inch like topaz, the colour being that of a deep-coloured sherry wine, quite transparent, the two colours (blue and yellow) running gradually into each other." MADRAS. Being the earliest known and the source also of the material used by Count de Bournon in his famous researches, the corundum deposits of the southern presidency command especial interest. Many occurrences of the mineral in the Salem district and the Mysore State have been recorded by Captain J. T. Newbold, F.R.S., to whom we are indebted for numerous observations made on the Geology of Southern India between 1840 and 1850. Other observers have before and since described various occurrences of the mineral; but it is to the researches 1 A. G. Ycuntr, Amer. fourn. Sci., 3rd Scr., = Letter quoted by Mr. Mallet, Rtrords, Gr'l. Vol, XXVI, p. 339 (18S3). Paper by C. U. Surv., /?., Vol. XV (1882), p. 141. Shepard, Senr. of Mr. C. S. Middlemiss, Superintendent, Geological Survey of India, that we are indebted for a precise description of the corundum deposits in the districts of Salem and Coimbatore, and his results are freely quoted in the following pages referring to those localities. Anantapur District. Samples of corundum were brought to the Geological Survey Office in the year 1880 and were said to have been obtained from the vicinity of Punighi, in the Hindupur taluk. According to Mr. Mallet, who examined the specimens, they were of a sea-green colour, ...
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Product details

  • Paperback | 28 pages
  • 189 x 246 x 2mm | 68g
  • Miami Fl, United States
  • English
  • Illustrations, black and white
  • 1236599195
  • 9781236599193