Elements of Geology: Prepared for the Use of Schools and CollegesGrigg & Elliot, 1846 - 235 Seiten |
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Elements of Geology: Prepared for the Use of Schools and Colleges / by W. S ... W. S. W. (William Samuel Ruschenberger Keine Leseprobe verfügbar - 2012 |
Häufige Begriffe und Wortgruppen
action Alps ammonites analogous ancient animals appear arena'ceous argilla'ceous basalt basin beds belong bivalve bones calcareous chalk characters clay coal coasts colour compact cone constitute contain coral covered craters of elevation creta'ceous crust debris deposits Devonian earth earthquakes effects England Eocene epoch eruption exist extended feldspar fishes fissures formation formed fossil fragments frequently fresh-water genera genus geological globe gneiss granite greater or less Greek gypsum heaval hillocks hornblende igneous immense islands jura'ssic kind lakes land lava layers lime limestone marine marls mass matter mineral miocene mollusks mountains Natural History neocomian o'olite organic remains Paris basin period phenomena plants pliocene polypa'ria porphyries present produced resembling rivers rocks rolled flints Ruschenberger's sand schists schools scoriæ sedimentary shells Silurian slope soil solid sometimes species stone strata stratification substances surface tertiary thickness tion tra'chytic trilobites upheaval valleys various veins volcanic
Beliebte Passagen
Seite 9 - Mrs. Marcet's Conversations on Chemistry, in which the Elements of that Science are familiarly explained and illustrated by Experiments.
Seite 9 - This work is particularly adapted for the use of Schools and Families, forming the most elegantly written and complete work on the subject of Natural History ever published, and is worthy of the special attention of the Teachers of all our Schools and Academies. BIGLAND'S NATURAL HISTORY OF ANIMALS, illustrated with 12 beautifully coloured engravings.
Seite 46 - Returned once more to the light of day, and a second time committed to the waters, it has, by the aid of navigation, been conveyed to the scene of its next and most considerable change by fire; a change during which it becomes subservient to the most important wants and conveniences of man. In this seventh stage of its long eventful history, it seems, to the vulgar eye, to undergo annihilation; its elements are, indeed, released from the mineral combinations...
Seite 46 - Elements are indeed released from the mineral combinations they have maintained for ages, but their apparent destruction is only the commencement of new successions of change and of activity. Set free from their long imprisonment, they return to their native Atmosphere, from which they were absorbed to take part in the primeval vegetation of the Earth.
Seite 9 - This is a new and complete edition, with a splendid engraved likeness of Mrs. Hemans, on steel, and contains all the Poems in the last London and American editions. With a Critical Preface by Mr. Thatcher, of Boston. "As no work in...
Seite 115 - All usual ideas of volcanic craters are dissipated upon seeing this. There is no elevated cone, no igneous matter or rocks ejected beyond the rim. The banks appear as if built of massive blocks which are in places clothed with ferns nourished by the issuing vapors.
Seite 127 - ... the middle of the ledge of limestone at the lesser fall since the year 1815, so that it has begun to assume the shape of a crescent, while within the same period the Horseshoe Fall has been altered so as less to deserve its name. Goat Island has lost several acres in area in the last four years, and I have no doubt that this waste neither is, nor has been, a mere temporary accident, since I found that the same recession was in progress in various other waterfalls which I visited with Mr. Hall,...
Seite 46 - The most early stage to which we can carry back its origin, was among the swamps and forests of the primeval earth, where it flourished in the form of gigantic Calamites, and stately Lepidodendra, and Sigillarise.
Seite 9 - SMILEY'S ARITHMETIC, or the New Federal Calculator, in dollars and cents. This work contains, among other important improvements, Questions on the Rules and Theory of Arithmetic, which are considered by Teachers generally, very conducive to the improvement of the pupil. Although a prejudice exists among some Teachers in favour of the old works on Arithmetic...
Seite 46 - ... or sea. Here they floated on the waters, until they sank saturated to the bottom, and being buried in the detritus of adjacent lands, became transferred to a new estate among the members of the mineral kingdom. A long interment followed, during which a course of chemical changes, and new combinations of their vegetable elements, have converted them into the mineral condition of coal.