The coal-fields of Great Britain: their history, structure, and duration. With notices of the coal-fields of other parts of the world

E. Stanford, 1861 - 194 Seiten

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Seite 15 - Ceolred let to hand the land of Sempringham to Wulfred, who was to send each year to the monastery ' 60 loads of wood, 12 loads of coal, 6 loads of peat...
Seite 143 - ... for it consists of a pinnacle of tuff, which may be compared to a distaff, and near the base is a mass of columnar greenstone, in which the pillars radiate from a centre, and appear at a distance like the spokes of a wheel. The largest diameter of this * De la Bechc, Gco].
Seite 42 - Now these underclays are distinctly stratified, showing, that they have bee.n deposited under water ; and hence it was supposed that in order to become the receptacles for the growth of luxuriant forests, they must have been elevated into dry land, and then, after having been covered by vegetation, again submerged to be overspread by sands and clays and other sedimentary materials which combine to form the strata of the Coalmeasures. This theory required a series of oscillations * '\Geological Transactions,
Seite 50 - ... are derived. That growth of vegetation marks a period of rest ; but now a slow subsidence of the whole tract commences. The brackish waters of the estuary, and the salt waters from the ocean invade the jungle, carrying dark mud in suspension, with floating stems of trees and fronds of ferns. Presently the mud subsides and covers in one uniform sheet the accumulated vegetation of centuries. The process of subsidence goes on, while the...
Seite 179 - He relates that he saw in Scotland* ' the poor people, who in rags begged at the churches, receive for alms pieces of stone, with which they went away contented. This species of stone, (says he) whether with sulphur, or whatever inflammable substance it may be impregnated, they burn in place of wood, of which their country is destitute.
Seite 75 - Severn and its northern apex at Newport. Along its western side it is bounded partly by a great fault, which brings in the New Red sandstone, and partly by the Silurian rocks of the Wrekin, which rises with its smooth and arched back to a height of 1320 ft.
Seite 39 - On the Vegetation of the Carboniferous Period as compared with that of the present day," published in 1848, was an important contribution to the science.
Seite 75 - ... Carboniferous beds appear to pass, but diminished both in thickness and in productiveness of coal. The general dip of the strata is eastward; and in making a traverse to the foot of the Wrekin, we cross in succession the base of the Coal-measures, the Millstone Grit, Carboniferous Limestone, a bed of basalt, and at length reach the Silurian rocks which form the general foundation to the Carboniferous formations in this district.
Seite 49 - He putteth forth his hand upon the rock ; he overturneth the mountains by the roots. He cutteth out rivers among the rocks ; and his eye seeth every precious thing.
Seite 15 - Flues the Romans were well acquainted with ; they did not use open fires in their apartments as we do, but in the colder countries at least, they always had flues under the floors of their apartments.

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