 | 1845 - 732 pagina’s
...BischofT, the inflammable gasses which are always escaping from mineral coal, and are sooften thecauseof fatal accidents in mines, always contain carbonic...to the greater facility afforded for the escape of v olatile matter where the fracturing of the rocks had produced an infinite number of cracks and crevices,... | |
 | Samuel Greatheed, Daniel Parken, Theophilus Williams, Josiah Conder, Thomas Price, Jonathan Edwards Ryland, Edwin Paxton Hood - 1845 - 788 pagina’s
...glance coal, culm, and many others have been given. ' We have seen that in the Appalachian coal-field, there is an intimate connection between the extent to which the coal has parted with its gaseods contents, and the amount of disturbance which the strata have undergone. The coincidence of... | |
 | 1849 - 620 pagina’s
...the extent to which the coal ' has parted with its gaseous contents, and the amount of dis( turbance which the strata have undergone. The coincidence '...facility afforded for the escape of volatile matter, when the ' fracturing of the rocks had produced an infinite number ' of cracka and crevices ; and partly... | |
 | 1849 - 1230 pagina’s
...coal, culm, and many others have been ' given. " We have seen that, in the Appalachian coal fields, there is ' an intimate connection between the extent...parted with its gaseous contents, and the amount of dis' turbance which the strata have undergone. The coincidence ' of these phenomena may be attributed,... | |
 | 1849 - 618 pagina’s
...coal, culm, and many others have been ' given. " We have seen that, in the Appalachian coal fields, there is ' an intimate connection between the extent...parted with its gaseous contents, and the amount of dis' turbance which the strata have undergone. The coincidence ' of these phenomena may be attributed,... | |
 | Sir Charles Lyell - 1855 - 694 pagina’s
...hard-coal, culm, and many others, have been given. We have seen that, in the Appalachian coal-field, there is an intimate connection between the extent...undergone. The coincidence of these phenomena may bo attributed partly to the greater facility afforded for the escape of volatile matter, where the... | |
 | Sir Charles Lyell - 1855 - 686 pagina’s
...hard-coal, culm, and many others, have been given. We have seen that, in the Appalachian coal-field, there is an intimate connection between the extent...gaseous contents, and the amount of disturbance which tli<? strata have undergone. The coincidence of these phenomena mav be attributed partly to the greater... | |
 | Henry Erni - 1865 - 228 pagina’s
...only from six to twelve per cent. Sir Charles Lyell, commenting on these observations, remarks : " There is an intimate connection between the extent...facility afforded for the escape of volatile matter, when the fracturing of the rocks had produced an infinite number of cracks and crevices, and also to... | |
 | James Samuelson, William Crookes - 1865 - 874 pagina’s
...thus becoming a genuine anthracite. Sir Charles Lyell, in examining these observations says, that " there is an intimate connection between the extent...phenomena may be attributed partly to the greater facility aiforded for the escape of volatile matter, where the fracturing of the rocks had produced an infinite... | |
 | Eli Bowen - 1865 - 512 pagina’s
...the amount and nature of the disturbance which the inclosing measures have undergone. Lyell says, " the coincidence of these phenomena may be attributed,...where the fracturing of the rocks had produced an indefinite number of cracks and crevices, and also to the heat of the gases and water penetrating these... | |
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Appalachian coal field, there is an intimate connection between the extent to which the coal has parted with its gaseous contents, and the amount of disturbance which the strata have undergone. The coincidence of these phenomena may be attributed partly... 
