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Updated: May 12, 2025
We may appeal also to fresh-water formations, such as the Purbeck and Wealden, to prove that in the Oolitic and Neocomian eras there were rivers draining ancient lands in Europe in times when we know that other spaces, now above water, were submerged.
Then rushing under the stern of the aeropile came the Wealden Heights, the line of Hindhead, Pitch Hill, and Leith Hill, with a second row of wind-wheels that seemed striving to rob the downland whirlers of their share of breeze. The purple heather was speckled with yellow gorse, and on the further side a drove of black oxen stampeded before a couple of mounted men.
Professor Philips has suggested, from the analogy of the mineral composition, that anciently elevated coal strata may have composed the dry land from which the sandy matters of these strata were washed. Such a deposit as the Wealden almost necessarily implies a local, not a general condition; yet it has been thought that similar strata and remains exist in the Pays de Bray, near Beauvais.
The Plastic clay and sands were deposited during a period of earthquake, of upheaval and subsidence of ancient lands; and therefore of violent currents and flood waves, seemingly rushing down from, or round the shores of that Wealden island to the south of us, on the shore of which island Odiham once stood.
"Hence, ladies and gentlemen," he added, "that frightful brood of saurians which still affright our eyes when seen in the Wealden or in the Solenhofen slates, but which were fortunately extinct long before the first appearance of mankind upon this planet." "Question!" boomed a voice from the platform. Mr.
In confirmation of this view it may be stated that the remains of the Iguanodon Mantelli, a gigantic terrestrial reptile, very characteristic of the Wealden, has been discovered near Maidstone, in the overlying Kentish Rag, or marine limestone of the Upper Neocomian.
The downland breeze flutters my uncle's coat-tails, disarranges his stiff hair, and insists on the evidence of undisciplined appetites in face and form, as he points out this or that feature in the prospect to his attentive collaborator. Below are hundreds of feet of wheeling-planks, ditches, excavations, heaps of earth, piles of garden stone from the Wealden ridges.
And as the structure of the limbs of several of the gigantic Ornithoscelida, such as Iguandon, leads to the conclusion that they also may have constantly, or occasionally, assumed the same attitude, a peculiar interest attaches to the fact that, in the Wealden strata of England, there are to be found gigantic footsteps, arranged in order like those of the Brontozoum, and which there can be no reasonable doubt were made by some of the Ornithoscelida, the remains of which are found in the same rocks.
Geologically speaking, the Carboniferous formation occurs near the close of that group of systems which have been classed as "palaeozoic," younger in point of age than the well known Devonian and Old Red Sandstone strata, but older by far than the Oolites, the Wealden, or the Cretaceous strata.
Ramsay and Whitaker have shown, and the observation is a most striking one, that the great lines of escarpment in the Wealden district and those ranging across England, which formerly were looked at as ancient sea-coasts, cannot have been thus formed, for each line is composed of one and the same formation, while our sea-cliffs are everywhere formed by the intersection of various formations.
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