Introductory Text-book of GeologyW. Blackwood and Sons, 1869 - 194 strani |
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Stran 12
... the globe- imperfect , it may be , but still sufficient to show the numerous changes its surface has undergone , and the varied and wonderful races of plants and animals by which it has been 12 OBJECTS AND SCOPE OF GEOLOGY .
... the globe- imperfect , it may be , but still sufficient to show the numerous changes its surface has undergone , and the varied and wonderful races of plants and animals by which it has been 12 OBJECTS AND SCOPE OF GEOLOGY .
Stran 13
... numerous and well- observed facts ; collects , arranges , and compares , with honest and scrupulous care ; and by such means proceeds from phenomena that are obvious and taking place around him , to the explanation of those that are ...
... numerous and well- observed facts ; collects , arranges , and compares , with honest and scrupulous care ; and by such means proceeds from phenomena that are obvious and taking place around him , to the explanation of those that are ...
Stran 20
... numerous glens and ravines and river - channels , all cut through the solid strata by the action of water ; hence known as valleys of erosion ( erosus , gnawed or wasted away ) . The rocky matter thus ground down is borne away by every ...
... numerous glens and ravines and river - channels , all cut through the solid strata by the action of water ; hence known as valleys of erosion ( erosus , gnawed or wasted away ) . The rocky matter thus ground down is borne away by every ...
Stran 24
... numerous and complicated . Thus , the accumulation of the coral- reef is partly a chemical process ; the operations of all mineral springs are more or less chemical ; and many of the phenomena connected with volcanoes and earthquakes ...
... numerous and complicated . Thus , the accumulation of the coral- reef is partly a chemical process ; the operations of all mineral springs are more or less chemical ; and many of the phenomena connected with volcanoes and earthquakes ...
Stran 27
... numerous recent terraces ; and large tracts along the eastern and south - western coasts of South America exhibit similar uprises . Such uprises , not being very perceptible , are apt to be under - estimated , or even disregarded ; but ...
... numerous recent terraces ; and large tracts along the eastern and south - western coasts of South America exhibit similar uprises . Such uprises , not being very perceptible , are apt to be under - estimated , or even disregarded ; but ...
Pogosti izrazi in povedi
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
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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...