 In the mean time, the proportion of the amorphous, red clay to the calcareous elements of all kinds increases, until the latter disappear, with the exception of a few scattered shells of the larger foraminifera, which are still found, even in the most...  Proceedings of the Royal Society of London - Síða 45eftir Royal Society (Great Britain) - 1875Heildartexta - Um bókina
 | Brighton and Hove Natural History and Philosophical Society, Brighton - 1874 - 800 síður
...be replaced at greater depths by a red clay made up principally of silicates of iron and alumina. " There seems to be no room left for doubt that the...red clay is essentially the insoluble residue ; the ash as it were of the calcareous organism which forms the Globigcrina ooze after the calcareous matter... | |
 | 1875 - 806 síður
...clubs of the rhabdoliths get worn out of shape, and are last seen, under a high power, as infinitely minute cylinders scattered over the field. The larger...characteristic samples of the ' red clay.' "There seems to he no room left for doubt that the red clay is essentially the insoluble residue, the ash, as it were,... | |
 | 1875 - 1012 síður
...sphere, at first beautifully transparent, but soon becoming opaque and crumbling away. " In the meantime the proportion of the amorphous ' red clay ' to the...the most characteristic samples of the ' red clay.' with the shells of pteropods, forming a fair sample of Globigerina ooze from near St. Thomas, -was... | |
 | Sir Norman Lockyer - 1875 - 538 síður
...sphere, at first beautifully transparent, but scon becoming opaque and crumbling away. In the meantime the proportion of the amorphous "red clay" to the...calcareous elements of all kinds increases until the latter s } 4 5 2650 2 SCO ... iyl '38 '39 140 ... ... 23^5 1250 2550 2650 disappear, with the exception of... | |
 | Sir Norman Lockyer - 1875 - 544 síður
...Tristan d'Acunha to the Cafe of Good Hope. soon becoming opaque and crumbling away. In the meantime the proportion of the amorphous "red clay" to the...calcareous elements of all kinds increases until the latter 52 S3 54 2650 '37 ... 2550 disappear, with the exception of a few scattered shells of the 55 2 TOO... | |
 | Sir Charles Wyville Thomson - 1877 - 514 síður
...sphere, at first beautifully transparent, but soon becoming opaque and crumbling away. In the meantime, the proportion of the amorphous ' red clay ' to the...characteristic samples of the ' red clay.' There seems to be little doubt that a considerable proportion of the fine molecular matter of which the ' red clay '... | |
 | Sir Charles Wyville Thomson - 1878 - 506 síður
...pieces, which quickly disappear ; and a thick rough crust breaks away from the surface of OrbuUna, leaving a thin inner sphere, at first beautifully...red clay is essentially the insoluble residue, the ash, as it were, of the calcareous organisms which form the globigerina ooze after the calcareous matter... | |
 | Samuel Almond Miller - 1881 - 354 síður
...last seen, under a high power, as minute cylinders scattered over the field. The larger fomminifera are attacked, and instead of being vividly white and...red clay is essentially the insoluble residue, the ash, as it were, of the calcareous organisms which form the globigerina ooze after the calcareous matter... | |
 | Thomas Henry Huxley - 1894 - 428 síður
...sphere, at first beautifully transparent, but soon becoming opaque and crumbling away. "In the meantime the proportion of the amorphous 'red clay' to the...red clay is essentially the insoluble residue, the ash, as it were, of the calcareous organisms which form the Globigerina ooze, after the calcareous... | |
 | John Holmes Agnew, Walter Hilliard Bidwell - 1875 - 824 síður
...sphere, at first beautifully transparent, but soon becoming opaque and crumbling away. " In the meantime the proportion of the amorphous ' red clay ' to the...red clay is essentially the insoluble residue, the ash, as it were, of the calcareous organisms which form the Globigerina ooze, after the calcareous... | |
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