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" ... (4) A few of the underclays, which support beds of coal, are of the nature of the vegetable mud above referred to ; but the greater part are argilloarenaceous in composition, with little vegetable matter, and bleached by the drainage from them of... "
The Quarterly Journal of the Geological Society of London - Página 103
por Geological Society of London - 1866
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Acadian geology. [With] Suppl. chapter. [With]

sir John William Dawson - 1868 - 870 páginas
...are of the nature of the vegetable mud above referred to; but the greater part are argilloarenaceous in composition, with little vegetable matter, and...sufficiently above water to admit of drainage. The absence of sulphurets, and the occurrence of carbonate of iron in connexion with them, prove that, when they existed...
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The English Cyclopaedia: Division. Natural History. 4v. and Suppl

1870 - 442 páginas
...SYSTEM. 213 nature of the vegetable mud above referred to ; Lut the greater part are argillo-arenaceous in composition, with little vegetable matter, and...products of vegetable decay. They are in short loamy and clay soils, and must have been sufficiently above water to admit of drainage. The absence of sulphurets...
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Natural History: Or, Second Division of "The English Encyclopedia", Volume 1

Charles Knight - 1870 - 446 páginas
...to ; but the greater part are argillo-arenaceous in composition, with little vegetable matter, anil bleached by the drainage from them of water containing...products of vegetable decay. They are in short loamy and clay soils, and must have been sufficiently above water to admit of drainage. The absence of sulphurets...
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The Contemporary Review, Volume 15

1870 - 688 páginas
...of the nature of the vegetable mud above referred to ; but the greater part are argillo-arenoceous in composition, with little vegetable matter, and bleached by the drainage from them of water contaming the products of vegetable decay. They are, in short, loamy or clay soils, and must have been...
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Critiques and Addresses

Thomas Henry Huxley - 1873 - 428 páginas
...are of the nature of the vegetable mud above referred to; but the greater part are argillo-arenaceous in composition, with little vegetable matter, and...sufficiently above water to admit of drainage. The absence of sulphurets, and the occurrence of carbonate of iron in connection with them, prove that, when they...
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Critiques and Addresses

Thomas Henry Huxley - 1873 - 342 páginas
...of the nature of the vegetable mud above referred to ; but the greater part are argillo-arenaceous in composition, with little vegetable matter, and...sufficiently above water to admit of drainage. The absence of sulphurets, and the occurrence of carbonate of iron in connection with them, prove that, when they...
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Report of the Geological Survey of Ohio ...

Geological Survey of Ohio - 1873 - 830 páginas
...claims, that most of the under-clays which, so far as I know, universally contain rootlets of Stigmarix, "are, in short, loamy or clay soils, and must have been sufficiently ahove water to admit of drainage." These views require us to believe that the Stigmarue could not have...
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Acadian Geology: The Geological Structure, Organic Remains, and Mineral ...

Sir John William Dawson - 1878 - 868 páginas
...are of the nature of the vegetable mud above referred to ; but the greater part are argilloarenaceous in composition, with little vegetable matter, and...sufficiently above water to admit of drainage. The absence of sulphurets, and the occurrence of carbonate of iron in connexion with them, prove that, when they existed...
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Some Salient Points in the Science of the Earth

Sir John William Dawson - 1893 - 598 páginas
...of the nature of the vegetable mud above referred to ; but the greater part are argillo-arenaceous in composition, with little vegetable matter, and...vegetable decay. They are, in short, loamy or clay soils in the chemical condition in which we find such soils under modern bogs, and must have been sufficiently...
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Discourses Biological and Geological: Essays

Thomas Henry Huxley - 1894 - 428 páginas
...are of the nature of the vegetable mud above referred to ; but the greater part are argilloarenaceous in composition, with little vegetable matter, and...sufficiently above water to admit of drainage. The absence of sulphurets, and the occurrence of carbonate of iron in connection with them, prove that, when they...
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