Geology for general readers1870 |
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Page 22
... rocks of the earth's crust are the only memorials of these repeated changes ; and if geology is earth - history , it must endeavour not only to decipher the changes they record , but to arrange them in chronological sequence and ...
... rocks of the earth's crust are the only memorials of these repeated changes ; and if geology is earth - history , it must endeavour not only to decipher the changes they record , but to arrange them in chronological sequence and ...
Page 23
... rock - formations of the earth into chronological order is one of the first duties of geology , for without this sequence there could be no history , and a con- nected history of the changes this crust has undergone is the great object ...
... rock - formations of the earth into chronological order is one of the first duties of geology , for without this sequence there could be no history , and a con- nected history of the changes this crust has undergone is the great object ...
Page 24
... rocks — that is , of arenaceous ( sandy ) , argillaceous ( clayey ) , calcareous ( limy ) , silicious ( flinty ) , bituminous ( coaly ) , ferruginous ( iron- impregnated ) , and other similar compounds ; but whether these rocks be ...
... rocks — that is , of arenaceous ( sandy ) , argillaceous ( clayey ) , calcareous ( limy ) , silicious ( flinty ) , bituminous ( coaly ) , ferruginous ( iron- impregnated ) , and other similar compounds ; but whether these rocks be ...
Page 25
... rocks will be harder and more crystalline in texture than the younger . There may be isolated exceptions to this , but the great fact holds good , that the older formations are really the more crystalline , and that this characteristic ...
... rocks will be harder and more crystalline in texture than the younger . There may be isolated exceptions to this , but the great fact holds good , that the older formations are really the more crystalline , and that this characteristic ...
Page 26
... rock - for- mations that constitute the earth's crust , and can arrange them into sections and systems and periods ... rocks , he at the same time receives important aid from its igneous or unstra- tified masses . These , as volcanic ...
... rock - for- mations that constitute the earth's crust , and can arrange them into sections and systems and periods ... rocks , he at the same time receives important aid from its igneous or unstra- tified masses . These , as volcanic ...
Common terms and phrases
accumulations ages America ancient antiquity areas arrangement aspects beds bituminous calcareous Cambrian Carboniferous Chalk changes chemical chiefly clays climate coal coal-fields course Cretaceous Crown 8vo crustacea crystalline debris decay deposits distribution of sea drifted dry land earth's crust eocene estuaries Europe existing extinct feet fishes flora and fauna formations forms fossils Geography geologists geology glacial epoch glacier globe gradually gravel heat higher igneous incessant ironstones islands lakes latitudes Laurentian lava less lignites limestones lower mammals masses matter MESOZOIC metamorphism mineral miocene nature newer numerous occur ocean Old Red Sandstone older Oolite operations organic PALEOZOIC partly period physical plants and animals pliocene portion present recent regions reptiles rivers rock-matter rocks rocky sand schists sea and land secondary sediments shales shell-fish shells silts Silurian Sketch soil species stage stone strata stratified surface terrestrial tertiary thickness tion Triassic variety vegetable veins vital volcano vulcanic zoophytes
Popular passages
Page 13 - DESCARTES. The Method, Meditations, and Principles of Philosophy of Descartes. Translated from the Original French and Latin. With a New Introductory Essay, Historical and Critical, on the Cartesian Philosophy. By JOHN VEITCH, LL.D., Professor of Logic and Rhetoric in the University of Glasgow.
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Page 5 - We must admire the ability and persevering research with which he has succeeded in imparting to his 'Manual' so much freshness and originality. In no respect is this character more apparent than in the plan of arrangement, by which the author commences his description of the physical geography of each tract by a sketch of its true basis or geological structure.
Page 15 - ANCIENT CLASSICS FOR ENGLISH READERS. EDITED BY THE REV. W. LUCAS COLLINS, MA Complete in 28 Vols.
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Page 49 - This earth, like the body of an animal, is wasted at the same time that it is repaired. It has a state of growth and augmentation; it has another state, which is that of diminution and decay. This world is thus destroyed in one part, but it is renewed in another; and the operations by which this world is thus constantly renewed, are as evident to the scientific eye, as are those in which it is necessarily destroyed.
Page 7 - POTTS AND DARNELL. Aditus Faciliores : An easy Latin Construing Book, with Complete Vocabulary. By AW POTTS, MA, LL.D., Head-Master of the Fettes College, Edinburgh, and sometime Fellow of St John's College, Cambridge; and the Rev. C. DARNELL, MA, Head-Master of Cargilfield Preparatory School, Edinburgh, and late Scholar of Pembroke and Downing Colleges, Cambridge.
Page 3 - ... this respect the Dictionary is most valuable and thoroughly reliable. As to the etymology of words, it is exhibited in a form that fixes itself upon the memory, the root-words showing the probable origin, of the English words, their primary meaning, and their equivalents in other languages. Much useful information and instruction relative to prefixes, postfixes, abbreviations, and phrases from the Latin, French, and other languages, &c., appropriately follow the Dictionary, which is throughout...