The Journal of the Royal Geographic Society of London, Volumen39J. Murray, 1869 "List of geographical works and maps recently published" in vol. 6-11. |
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Página 101 - Colorado, the broad valleys bounded by high and perpendicular walls belong to a vast system of erosion, and are wholly due to the action of water. Probably nowhere in the world has the action of this agent produced results so surprising, both as regards their magnitude and their peculiar character. It is not at all strange that a cause, which has given, to what was once an immense plain, underlaid by thousands of feet of sedimentary rocks, conformable throughout, a topographical character more complicated...
Página clxxviii - This Report was printed in 1864 by order of the House of Commons, on the motion of Mr. Henry Seymour, but from the reprint were excluded the whole of the valuable original data constituting the Appendices, as well as the whole of the maps! For this saving, which was not an economy, I do not know which department we have to thank ; but, from this cause, the routes contained in the original Lahore Report have been scarcely accessible in this country, and it may...
Página 356 - All the recent works relating to Mineralogy, Geology, Conchology, and Chemistry ; also Geological Maps, Models, Diagrams, Hammers, Blowpipes, Magnifying Glasses, Platina Spoons, Electrometer and Magnetic Needle, Glass-top Boxes, Microscopic Objects, Acid Bottles, Sec., can be supplied to the Student in these interesting and Important branches of Science.
Página 100 - ... observations already made on the geological structure of the far west, viz: That the outlines of the western part of the North American continent were approximately marked out from the earliest Palaeozoic times; not simply by areas of shallower water in an almost boundless ocean, but by groups of islands and broad continental surfaces of dry land. Since the erosion of rocks is always subaerial, or at least never takes place more than forty feet below the ocean surface, it follows that to form...
Página clv - ... Strait, will still remain a nest of dangers for future exploration. During a visit to the Gulf of Siam the position of some doubtful dangers were searched for and found not to exist, and have consequently been expunged from the charts. The Rifleman has also made very considerable additions to the survey of Singapore Strait, by which the chart of that neighbourhood has been much improved and 30 miles of the Malay Peninsula .northward of Singapore has been re-surveyed and sounded. Staff-Commander...
Página 143 - ... north, increased in number and size. We continued our northward course during the following day, but it was soon evident that no open water would be arrived at that way, and in the afternoon we were again steering in a southerly direction. During the night we lay to under cover of a large sheet of ice. The temperature had now sunk to 14° 5...
Página 143 - ... not been the case, our ship must unquestionably, in a short time, have been the prey of the storm and the extremely heavy sea, which now, contrary to our former experience, raged among the thinly scattered fields of drift-ice. Immediately on our arrival at Amsterdam Island, the ship was careened and the leak provisionally stopped, so that already the next day we were in a condition to seek a more secure harbour in King's Bay. Here the ship was hauled so close to land at flood, that we at ebb...
Página cxci - ... rivers. For, granting that the results of the present riverine and atmospheric action, as measured by the detritus carried down by great rivers to the sea, must, in certain countries where the rocks are soft or incoherent, eventually carry away such lands, as in the region watered by the Missisippi, no such forces, if continued for countless ages, will account for the complete denudation and clean sweeping which has taken place in innumerable plateaus, deep valleys and gorges of hard rocks. Still...
Página 143 - Island, it stood about 2 ft. over the cabin floor. Fortunately the provisions, being kept between water-tight bulkheads, were uninjured, and we succeeded, though with great difficulty, in keeping the engine-room so free from water that the fires were not extinguished. Had this not been the case, our ship must unquestionably, in a short time, have been the prey of the storm and the extremely heavy sea, which now, contrary to our former experience, raged among the thinly scattered fields of drift-ice.
Página 146 - Spitzbergen, which might hereafter serve as base from whence to push still farther onward. These considerations constituted the ground for the plan of operations for the latter portion of the Swedish expedition, and it may now be considered as proved. That one may, during autumn, reach by ship a latitude considerably higher than that which has been attained by most of the summer expeditions, unless this year is to be considered as unusually * By ship, but on the ice the party penetrated to 82° 45'.