The American Journal of Science, 第 46 巻、第 196 巻J.D. & E.S. Dana, 1918 |
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acid Agassiz American analysis antigorite appears atomic weights Basin beds brucite carbonate Carboniferous Chem chemical chemistry Chinle color conglomerate Cretaceous crystals Dana deposits described Devonian diabase earth Elaterite elements erosion fact fauna feet field flora formation fossils gabbro Geological Survey geologists Gilbert glacial gneiss granite granite gneiss Green River Desert green schist Henry Mountains igneous rocks important indicated interesting intrusive investigation Jour Journal Lake later limestone lower mass massive material metamorphism method miles mineral mineralogy Moenkopi Mountain nature Navajo olivine organic origin paleontology Paleozoic paper peridotite period present Professor published quartz regarded region San Rafael schist scientific sediments serpentine shale Shinarump shown Silliman Silurian similar solution species strata stratigraphic structure temperature theory thick tion Todilto Triassic U. S. Geol Unconformity upper Valley volume weathering Wingate sandstone writer Yale zone zoology
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315 ページ - TO 1847. Of the few American naturalists whose writings were published toward the end of the eighteenth century and at the beginning of the nineteenth the names of William Bartram (17391823), Benjamin Barton (17661815), Samuel Mitchill (17641831), William Peck
40 ページ - In 1823 came a still greater work, A Sketch of the Geology, Mineralogy, and Scenery of the Regions contiguous to the River Connecticut (6, 1, 200, 1823; 7, 1, 1824). Here the map above referred to was greatly improved, and the survey was one of the most important of the older publications.
107 ページ - The classification of geographic forms by genesis, Nat. Geogr. Mag., 1, 2736, 1888. Davis, WM, The rivers and valleys of Pennsylvania, Nat. Geogr. Mag., 1, 183253, 1889. The rivers of northern New Jersey with notes on the classification of rivers in general, ibid., 2, 81110, 1890.
640 ページ - ESTABLiSHED BY BENJAMIN SILLIMAN IN 1818. THE LEADING SCIENTiFIC JOURNAL IN THE UNITED STATES. Devoted to the Physical and Natural Sciences, with special reference to Physics and Chemistry on the one hand, and to Geology and Mineralogy on the other. Editor : EDWARD S. DANA. Associate Editors : Professor GEORGE L. GOODALE, JOHN TROWBRIDGE,
85 ページ - level of the sea to be a grand baselevel, below which the dry lands cannot be eroded; but we may also have, for local and temporary purposes, other baselevels of erosion, which are the levels of the beds of the principal streams which carry away
81 ページ - globe, as cut out of masses vastly greater, and more lofty than any thing that now remains. From this gradual change of lakes into rivers, it follows. that a lake is but a temporary and accidental condition of a river, which is every day approaching to its termination; and
90 ページ - of feet deep, in the earth, in the hard compound of clay, sand, and gravel. . I think we cannot account for these appearances, unless we call in the aid of ice along with water, and that they have been worn by being suspended
132 ページ - to the theory of orogeny was a series of papers published in 1873 by Dana, entitled “On some results of the earth's contraction from cooling, including a discussion on the origin of mountains and
35 ページ - of geological succession, yet as regards geological theory, whether directly by his own teaching, or indirectly by the labors of his pupils and followers, much of his influence was disastrous to the higher interests of geology.” Werner arranged the crust of the earth into a series of formations, as had been done previously by Lehmann and
149 ページ - duties required of them.” His plan of campaign provided for a northward drive at a predetermined rate of traverse for each party, with periodic reports to himself at appointed stations, “to receive which reports and to examine the country in person” he crossed the area under survey eleven times. The result of