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. |
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Стр. 17
... schists , which , like the groundmass of the former , are made up almost entirely of hornblende . That these schists are composed of water- deposited material is clearly shown by numerous lami- næ , frequently running at an angle with ...
... schists , which , like the groundmass of the former , are made up almost entirely of hornblende . That these schists are composed of water- deposited material is clearly shown by numerous lami- næ , frequently running at an angle with ...
Стр. 79
... schists found in the Malvern Hills , in the west of England . A close study of these schists during a period of five years has brought Dr. Callaway to the conclusion that they were produced by a dynamo - metamorphosis not different in ...
... schists found in the Malvern Hills , in the west of England . A close study of these schists during a period of five years has brought Dr. Callaway to the conclusion that they were produced by a dynamo - metamorphosis not different in ...
Стр. 157
... schists , and it has been affirmed that there is a gradual passage between the schists and the granite . The writer examined the junc- tion of the two kinds of rock on both sides of the granite mass , and found the clearest proof of ...
... schists , and it has been affirmed that there is a gradual passage between the schists and the granite . The writer examined the junc- tion of the two kinds of rock on both sides of the granite mass , and found the clearest proof of ...
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Meeting of the Iowa Academy of Sciences | 10 |
ROUGHING IT WITH AN ECLIPSE PARTY | 42 |
ESTERBROOKS | 56 |
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