Geology for general readers1870 |
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Page 20
... earth's crust occurring in layers have been formed through and by the agency of water - that is , that they are the sediments of former lakes and estuaries and seas , the particles of which they are composed having been worn down by ...
... earth's crust occurring in layers have been formed through and by the agency of water - that is , that they are the sediments of former lakes and estuaries and seas , the particles of which they are composed having been worn down by ...
Page 21
... crust of the globe only two great categories of rocks - the aqueous or stratified , and the igneous or unstratified ; the former produced through and by the agency of water , the ... earth's crust is STRATIFIED AND UNSTRATIFIED ROCKS . 21.
... crust of the globe only two great categories of rocks - the aqueous or stratified , and the igneous or unstratified ; the former produced through and by the agency of water , the ... earth's crust is STRATIFIED AND UNSTRATIFIED ROCKS . 21.
Page 22
... 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 connection . ocean ...
... 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 connection . ocean ...
Page 23
... earth's crust be thus continually worn away in one district and reconstructed in another , some portions- like the lavas of Etna and the delta of the Ganges - must be comparatively recent ; and others - like the Grampian Moun- tains and ...
... earth's crust be thus continually worn away in one district and reconstructed in another , some portions- like the lavas of Etna and the delta of the Ganges - must be comparatively recent ; and others - like the Grampian Moun- tains and ...
Page 25
... earth's crust bespeak the conditions under which they lived - aquatic or terrestrial , fresh - water or marine , inhabitants of a cold climate or inhabitants of a genial OLDER AND YOUNGER FORMATIONS . 25.
... earth's crust bespeak the conditions under which they lived - aquatic or terrestrial , fresh - water or marine , inhabitants of a cold climate or inhabitants of a genial OLDER AND YOUNGER FORMATIONS . 25.
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
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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.
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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...