Transactions of the Royal Geological Society of Cornwall; Instituted February 11th, 1814. Volume the Fifth.

Transactions of the Royal Geological Society of Cornwall; Instituted February 11th, 1814. Volume the Fifth.

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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. 1843 edition. Excerpt: ...compound, and complicated composition which prevails in the earthy minerals found in lodes, extends to their metallic contents also. Thus, tin ore is found mixed with, and interspersed through the following metallic minerals in the most irregular manner: viz., native copper at Boscaswell Downs; copper pyrites1 at Saint Ives Consols, Wheal Darlington, Tincrqft, Wheal Friendship, &c, and in the state of a double sulphuret, which has been called tin pyrites, at West Pink, and Botallaclt;2 vitreous copper ore in Botallaclt, Levant, and most of the mines in Saint Just; earthy black copper ore in Wheal Jewel; blende at Ball-due, and Wheal Budnick, and in the last-mentioned mine with vitreous copper ore, copper pyrites, and galena, also; with native bismuth in Botallaclt, and Levant; sulphuret of bismuth in Balleswidden, and with the carbonate of the same metal at Levant; with crystallized phosphate of iron at Wheal Kind,1 and with the same metal, in an earthy state, at Park-noweth. l Mr. Win. Phillips, Geo. Trans., o.s. ii. p. 127: Mr. Came, Cornw. Geo. Trans., ii. pp. 94-104: Mr. Burr, Mining Review, No. viii. (May, 18S6), p. 223: My own Paper, Edin. New Phil. Journal, xxii. p. 271: Mr. R. W. Fox, Report of the Royal Cornwall Polytech. Soc. (1836), p. 85: Mr. De la Beche, Report, p. -27. Dr. Boase, Cornwall Geo. Trans., ii. p. J84. Vitreous copper ore has been found mixed with native copper at Levant, Providence Mines, Ting Tang, &c.; with red oxide of copper at Wheal Garland, Penstruthal, and Wheal Cliarlotte; mixed with and investing copper pyrites at Wheal Buller, Cairn Brea Mines, Wheal Jewel, and, more or less, in most of the mines in which copper ores are abundant;a with the blue and green carbonates of copper at Wlieal Buller, more

Product details

  • Paperback | 146 pages
  • 189 x 246 x 8mm | 272g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236523644
  • 9781236523648