Science, Том 23John Michels (Journalist) American Association for the Advancement of Science, 1894 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
Результаты поиска по книге
Результаты 1 – 3 из 8
Стр. 23
... lignitic Tertiary , but the whole of the laminated ores he places , and rightly so , in the glauconitic or Claiborne Tertiary . In a recent report on the iron ores of Arkansas Dr. Penrose again refers to the east Texas ores as follows ...
... lignitic Tertiary , but the whole of the laminated ores he places , and rightly so , in the glauconitic or Claiborne Tertiary . In a recent report on the iron ores of Arkansas Dr. Penrose again refers to the east Texas ores as follows ...
Стр. 24
... lignitic , exposures of which may be seen near Willow Switch in Gregg and at many places north and east of Marshall ... lignitic beds , I do not mean to affirm that no ore occurs within the lignitic series , but simply that none of the ...
... lignitic , exposures of which may be seen near Willow Switch in Gregg and at many places north and east of Marshall ... lignitic beds , I do not mean to affirm that no ore occurs within the lignitic series , but simply that none of the ...
Стр. 25
... lignitic ever held such quantities I do not know , but certainly the beds as we now find them contain very little of this class of ore . The little they do contain is almost alto- gether a sulphide . SORGHUM SUGAR . BY T. BERRY SMITH ...
... lignitic ever held such quantities I do not know , but certainly the beds as we now find them contain very little of this class of ore . The little they do contain is almost alto- gether a sulphide . SORGHUM SUGAR . BY T. BERRY SMITH ...
Содержание
Meeting of the Iowa Academy of Sciences | 10 |
ROUGHING IT WITH AN ECLIPSE PARTY | 42 |
ESTERBROOKS | 56 |
Не показаны другие разделы: 5
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
75 cents 874 Broadway acid acoustic shadow Address aldehyd American appeared Archæan archæology bird botany building carbon Caribs Catalogue character chemical clay College color column conductor contains copies course CRYSTOGRAPH CYRUS THOMAS deposits dissipated Electrical energy esker experiments fact feet fog signal fog-signal geology glyph granite illustrated inches interesting iron island JOSEPH JASTROW journal LANDSCAPE ART language large number light lignitic lists of collectors living lower mass ment method miles mineral N. D. C. HODGES nature nearly observations occur origin paper period plant Plate present probably Prof Professor protoplasm pseudumbral area published pyrites quartz quartzites recent region River rocks ruffed grouse schists schools Science scientific sent sounds species specimens student surface tion trees University veins volcanic volume vulcanology World's Columbian Exposition writer York