Introductory Text-book of GeologyW. Blackwood and Sons, 1869 - 194 strani |
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Zadetki 1–5 od 21
Stran 17
... AQUEOUS , or those arising from the operations of water ; the ORGANIC , or those depending on vegetable and animal growth ; the CHEMICAL , or those resulting from the chemical action of substances on each other ; and the IGNEOUS , or ...
... AQUEOUS , or those arising from the operations of water ; the ORGANIC , or those depending on vegetable and animal growth ; the CHEMICAL , or those resulting from the chemical action of substances on each other ; and the IGNEOUS , or ...
Stran 19
... aqueous manifestations , are incessantly engendered . Aqueous Agency . 17. The modifying causes arising from the operations of water are in like manner universal and incessant . The AQUEOUS AGENCY ( Lat . aqua , water ) manifests itself ...
... aqueous manifestations , are incessantly engendered . Aqueous Agency . 17. The modifying causes arising from the operations of water are in like manner universal and incessant . The AQUEOUS AGENCY ( Lat . aqua , water ) manifests itself ...
Stran 21
... aqueous agency , whether operating as rivers or as tides , waves , and ocean - currents , is to wear down the higher portions of the earth's crust , and transport the material as sediment to some lower level . This sedimentary matter ...
... aqueous agency , whether operating as rivers or as tides , waves , and ocean - currents , is to wear down the higher portions of the earth's crust , and transport the material as sediment to some lower level . This sedimentary matter ...
Stran 25
... aqueous and igneous - may be considered as antagonistic to each other , and to them may be ascribed the principal modifications that have taken , or are still taking , place in the crust of the globe . Igneous agency , as depending on ...
... aqueous and igneous - may be considered as antagonistic to each other , and to them may be ascribed the principal modifications that have taken , or are still taking , place in the crust of the globe . Igneous agency , as depending on ...
Stran 26
... aqueous . When taking place under water , the volcanic discharges of lava and ashes will be interstratified and mingled with the sedimentary matter of the ocean - an occurrence we shall afterwards find very common among the older rock ...
... aqueous . When taking place under water , the volcanic discharges of lava and ashes will be interstratified and mingled with the sedimentary matter of the ocean - an occurrence we shall afterwards find very common among the older rock ...
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abundant accumulations agency aqueous arrangement ATLAS basalt beds bituminous boulders building-stone calcareous Cambrian carboniferous chalk chemical chiefly clay clay-slate coal coal-measures coloured compact composed composition conglomerates coral-reefs corals cretaceous crust crustacea crystalline deposits districts drift earth Edition encrinites England eocene epoch estuaries existing felspar fishes formation forms fossils frequent fresh-water GEOGRAPHY geologists Geology globe gneiss granite gravel greenstone grits groups igneous rocks interstratified islands lakes laminated land Laurentian lava layers less lias lignite lime limestone lower marine marls masses Mesozoic Metamorphic mica mica-schist mineral mountain limestone numerous occur ocean Old Red Sandstone oolite origin PALEOZOIC peculiar period Permian plants and animals present quartz remains of plants reptiles rivers rocky sand schists Scotland seams seas sedimentary shales shell-fish shells silicious silt Silurian slates slaty species stone strata stratified rocks structure surface termed tertiary TEXT-BOOK texture thick tion trap trappean Triassic upheavals upper vegetable volcanic wealden zoophytes
Priljubljeni odlomki
Stran 193 - The Geological Examinator. A Progressive Series of Questions, adapted to the Introductory and Advanced TextBooks of Geology. Prepared to assist Teachers in framing their Examinations, and Students in testing their own Progress and Proficiency. By the SAME.
Stran 197 - A New and Enlarged Edition. Constructed from the best materials, and embodying the results of the most recent investigations, accompanied by a complete INDEX OF PLACES, in which the proper quantities are given by T.
Stran 193 - It has not been our good fortune to examine a text-book on science of which we could express an opinion so entirely favourable as we are enabled to do of Mr Page's little work."— Athenceum., ADVANCED TEXT-BOOK OF GEOLOGY, DESCRIPTIVE AND INDUSTRIAL.
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Stran 193 - Of singular merit for its clearness and trustworthy character." — Standard. Third Edition, Enlarged. GEOLOGY FOR GENERAL READERS. A Series of Popular Sketches in Geology and Palaeontology. By the Surne. 6s. "This is one of the best of Mr page's many good books. It is written in a flowing, popular style. Without illustration or any extraneous aid, the narrative must prove attractive to any intelligent reader."— Geological Magazine.
Stran 193 - The divisions of the subject are so clearly defined, the explanations are so lucid, the relations of one portion of the subject to another are so satisfactorily shown, and, above all, the...