 | Richard Meade - Coal mines and mining - 1882 - 970 pages
...made by Mr. John Spiller, is thus described : — "An altered Spathose ore, in which the greater pail of the carbonate of iron has been converted into hydrated...portions which are undecomposed occur in irregular nodular like form, of a pale brownish-grey colour ; these are surrounded • '• Iron Ores of Great... | |
 | Great Britain. Imperial Mineral Resources Bureau - Iron ores - 1922 - 250 pages
...composition :— IJ Spiller in " Iron Ores of Great Britain," Mem. Geol. Surv., 1856, p. 57. West Level. An altered spathose ore, in which the greater part of the carbonate has been converted into hydrated peroxide. II. A. Dick, ibid, p. 59. Rispey. Spathose ore; easily scratched... | |
 | Geological Survey of Great Britain - Mines and mineral resources - 1924 - 1120 pages
...3-89. I. — J. Spillertn 'Iron Ores of Great Britain' {Mem. Qecl. Surv.), 1856, p. 57. West Level. An altered spathose ore, in which the greater part of the carbonate had been converted into hydrated peroxide. II. — A. Dick in do., p. 59. Rispey. Spathose ore ; easily... | |
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Mem. Geol. Surv., 1856, p. 57. West Level. An altered spathose ore, in which the greater part of the carbonate has been converted into hydrated peroxide. II. A. Dick, ibid, p. 59. Rispey. Spathose ore; easily scratched by the file. No metal ppt. by H... 