 The quartz, which constitutes a narrow vein, does not appear to contain the slightest speck of galena, or of any other substance, except a small quantity of specular iron ore; and the unaltered appearance of the latter is such as to preclude the supposition...  Geological Magazine - Página 141editado por - 1866Vista completa - Acerca de este libro
 | Henry Woodward - 1866 - 652 páginas
...on a former occasion presented to the Museum the fine typical tooth (12 inches long) of Pliosaurus grandis, Owen, to which species, probably, this head...and Anthracite, in the vicinity of Lake Superior. curious variety of pitchy copper ore, probably Turgite, from Cornwall. — Chemical News, Feb. 16,... | |
 | 1865 - 454 páginas
...of the Kaministiquia. The lead occurs in this specimen — the only one, I believe, discovered — in the form of a small string in white semiopaque quartz. The quartz does not appear to contain the slightest speck of galena, nor any other substance, except a small quantity... | |
 | James Samuelson, Henry Lawson, William Sweetland Dallas - 1866 - 594 páginas
...Minerals of Lake Superior. — In the Canadian Journal there is a note by Professor Chapman, announcing the discovery of native lead near Dog Lake. It occurs...and Anthracite, in the vicinity of Lake Superior. Komeine. — At a late meeting of the French Academy, M. Bertrand de Lorn presented a note on the above... | |
 | James Samuelson, Henry Lawson, William Sweetland Dallas - 1866 - 584 páginas
...Minerals of Lake Superior. — In the Canadian Journal there is a note by Professor Chapman, announcing the discovery of native lead near Dog Lake. It occurs...with gold. He also records the occurrence of Galena, Marcnsite, Molybdenite, Barytine or Heavy Spar, Fluor Spar, and Anthracite, in the vicinity of Lake... | |
 | 1866 - 460 páginas
...of the Kaministiquia. The lead occurs in this specimen — the only one, I believe, discovered — in the form of a small string in white semi-opaque quartz. The quartz, which constitutes a narrow vein, does not appear to contain the slightest speck of galena, or of any... | |
 | 1866 - 466 páginas
...of the Kaministiquia. The lead occurs in this specimen — the only one, I believe, discovered — in the form of a small string in white semi-opaque quartz. The quartz, which constitutes a narrow vein, does not appear to contain the slightest speck of galena, or of any... | |
 | 1867 - 400 páginas
...celebrated Dog Lake of the Kaministiquia. The lead occurs in this specimen — the only one discovered — in the form of a small string in white, semi-opaque quartz. The quartz, which forms a narrow vein, does not appear to contain the slightest speck of galena, or any other substance,... | |
 | 1867 - 400 páginas
...celebrated Dog Lake of the Kaministiquia. The lead occurs in this specimen — the only one discovered — in the form of a small string in white, semi-opaque quartz. The quartz, which forms a narrow vein, does not appear to contain the slightest speck of galena, or any other substance,... | |
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