... receives no support from the coating of friable coal which has replaced the bark. As soon, therefore, as the cohesion of this external layer is overcome, the heavy column falls suddenly in a perpendicular or oblique direction from the roof of the... The student's elements of geology - Seite 390von sir Charles Lyell (bart.) - 1878Vollansicht - Über dieses Buch
| Sir Charles Lyell - 1855 - 686 Seiten
...slices, so thin as to be transparent. (See p. 40.) These " coal-pipes" are much dreaded by our miners, for almost every year in the Bristol, Newcastle, and...force, are cast down to immolate their human victims. * Hawkslia-r, Geol Trans., Second Series, voL vl pp. 178, 177, pi 17. f GeoL Report on Cornwall, Devon,... | |
| Charles Lyell - 1855 - 700 Seiten
...slices, so thin as to be transparent. (See p. 40.) These " coal-pipes " are much dreaded by our miners, -for almost every year in the Bristol, Newcastle,...how the few which continued to stand erect, obeying, • Hawkshaw, Geol. Trans., Second and Somerset, p. 143. Series, vol. vi. pp. 173. 177., pL 17. $ Lindley... | |
| Sir Charles Lyell - 1855 - 694 Seiten
...and increasing gradually in size towards the base, and being without branches, has its whole weigh^ thrown downwards, and receives no support from the...how the few which continued to stand erect, obeying, * Hawkshaw, Geol. Trans., Second and Somerset, p. 148. Series, vol. vi. pp. 173. 177., pL 17. J Lindley... | |
| Sir Charles Lyell - 1855 - 686 Seiten
...its whole weight thrown downwards and receives no support from the coating of friable coal which ha? replaced the bark. As soon, therefore, as the cohesion...how the few which continued to stand erect, obeying. * Hawkshaw, Geol. Trans., Second and Somerset, p. 143. Series, vol. vi. pp. 173. 177., pi. 17. % Lindley... | |
| Sir Charles Lyell - 1860 - 718 Seiten
...slices, so thin as to bo transparent. (See p. 40.) These "coal-pipes" are much dreaded by our miners, for almost every year in the Bristol, Newcastle, and...force, are cast down to immolate their human victims. * Hawkshaw, Geol Trans., Second Series, voL vi. pp. 173, 177, pL 17. f Geol. Report on Cornwall, Devon,... | |
| 1863 - 858 Seiten
...year they are the cause of fatal accidents. " It is strange to reflect," says Sir Charles Lyell, " how many thousands of these trees fell originally...force, are cast down to immolate their human victims." Let the reader embody before his mind's eye a group of rush-like and fern-like tre.es, interspersed... | |
| Sir Charles Lyell - 1866 - 910 Seiten
...slices, r,o thin as to be transparent. (See p. 40.) These "coal pipes" are much dreaded by our miners, for almost every year in the Bristol, Newcastle, and...few which continued to stand erect, obeying, after mvriads of ages, the same force, are cast down to immolate their human victims. It has been remarked,... | |
| Woolhope Naturalists' Field Club - 1907 - 412 Seiten
...from the roof of the gallery whence coal has been extracted, wounding or killing the workmen who stand below. It is strange to reflect how many thousands...originally in their native forests, in obedience to the laws of gravity ; and how the few which continued to stand erect, obeying after myriads of ages, the... | |
| Alexander Winchell - 1870 - 466 Seiten
...year they are the cause of fatal accidents. " It is strange to reflect," says Sir Charles Lyell, " how many thousands of these trees fell originally...obedience to the law of gravity, and how the few which continue to stand erect, obeying, after myriads of ages, the same force, are cast down to immolate... | |
| Alexander Winchell - 1870 - 486 Seiten
...year they are the cause of fatal accidents. " It is strange to reflect," says Sir Charles Lyell, " how many thousands of these trees fell originally...obedience to the law of gravity, and how the few which continue to stand erect, obeying, after myriads of ages, the same force, are cast down to immolate... | |
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