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abundantly according acid alumina animals arrangement augite beds belonging bivalves bones calcareous called carbonate Carboniferous Chalk formation characterised chiefly clay coal Coal-measures colour compact composed consists containing contradistinction copper corals crust crustaceans crystalline crystals deposits Devonian earth Eocene epoch extinct familiar term feet felspar fishes fissures fossil frequently fresh-water genera genus geological geologists gneiss granite granular Greensand heat hence the name hornblende igneous iron known Lias lignite lime limestone lithos Lower lustre magnesia manganese marine marls masses metallic mica mineral Miocene name given numerous occurring odous Old Red Sandstone Oolite organic oxide Palaeozoic peculiar Permian peroxide plants plates Professor protoxide quartz Red Sandstone reptiles resemblance rocks sand schists shales shells silica Silurian soda soft species stems stone strata structure substance sulphate sulphur sulphuret surface teeth term applied Tertiary texture thick tion Upper usually variety vegetable veins volcanic Wealden Zeolite
الصفحة 509 - We have carefully read this truly satisfactory book, and do not hesitate to say that it is an excellent compendium of the great facts of Geology, and written in a truthful and philosophic spirit.
الصفحة 509 - THE GEOLOGICAL EXAMINATOR. A Progressive Series of Questions, adapted to the Introductory and Advanced Text-Books of Geology. Prepared to assist Teachers in framing their Examinations, and Students in testing their own Progress and Proficiency'. By the Same.
الصفحة 510 - They are as superior to all School Atlases within our knowledge, as were the larger works of the same Author in advance of those that preceded them.
الصفحة 510 - The plan of these Atlases is admirable, and the excellence of the plan is rivalled by the beauty of the execution. . . . The best security for the accuracy and substantial value of a School Atlas is to have it from the hands of a man like our Author, who has perfected his skill by the execution of much larger works, and gained a character which he will be careful not to jeopardise by attaching his name to anything that is crude, slovenly, or superficial."— Scotsman.
الصفحة 509 - Enlarged. 3s. 6d. Advanced Text-Book of Geology, Descriptive and Industrial. With Engravings, and Glossary of Scientific Terms. Sixth Edition, Revised and Enlarged. 7s. 6d.
الصفحة 510 - 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.
الصفحة 226 - Therefore, the specific gravity of a solid or a liquid body is the ratio of its weight to the weight of an equal volume of water...
الصفحة 509 - 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 bearings of the allied sciences to Physical Geography are brought out with SO much precision, that every reader will feel that difficulties have been removed, and the path of study smoothed before him.