Introductory Text-book of GeologyW. Blackwood and Sons, 1869 - 194 strani |
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Stran 15
... abundance , so as to make them available for the industrial purposes of life — is the task of the practical geologist . Combin- ing its economic with its speculative bearings , Geology becomes a science of high and enduring interest ...
... abundance , so as to make them available for the industrial purposes of life — is the task of the practical geologist . Combin- ing its economic with its speculative bearings , Geology becomes a science of high and enduring interest ...
Stran 21
... abundance , the remains of plants and animals peculiar to the country through which the river flowed . In this manner layers or strata of sedimentary matter are forming at the present moment , and in like manner must they have been ...
... abundance , the remains of plants and animals peculiar to the country through which the river flowed . In this manner layers or strata of sedimentary matter are forming at the present moment , and in like manner must they have been ...
Stran 23
... abundantly found in putrid vegetable infusions ) . These flinty cases are of extreme minuteness ; but being aggregated in count- less myriads , they constitute thick layers , as in the estuary of the Elbe , in the plains of the Amazon ...
... abundantly found in putrid vegetable infusions ) . These flinty cases are of extreme minuteness ; but being aggregated in count- less myriads , they constitute thick layers , as in the estuary of the Elbe , in the plains of the Amazon ...
Stran 26
... abundant proofs of a similar origin and mode of formation . As yet we have spoken of volcanoes as taking place only on land ; but we have also evidence of their occurrence in the ocean , creating shoals and islands like many of those in ...
... abundant proofs of a similar origin and mode of formation . As yet we have spoken of volcanoes as taking place only on land ; but we have also evidence of their occurrence in the ocean , creating shoals and islands like many of those in ...
Stran 28
... abundantly in all regions , from the recent lavas of Etna and Vesuvius to the basalts , greenstones , and granites of our older hills . We have thus , on and within the globe , a variety of agents ceaselessly active , and ceaselessly ...
... abundantly in all regions , from the recent lavas of Etna and Vesuvius to the basalts , greenstones , and granites of our older hills . We have thus , on and within the globe , a variety of agents ceaselessly active , and ceaselessly ...
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
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.
Stran 197 - ATLAS OF PHYSICAL GEOGRAPHY, illustrating, in a Series of Original Designs, the Elementary Facts of GEOLOGY, HYDROGRAPHY, METEOROLOGY, and NATURAL HISTORY.
Stran 197 - GEOGRAPHY, illustrating, in a Series of Original Designs, the Elementary Facts of GEOLOGY, HYDROGRAPHY, METEOROLOGY, and NATURAL HISTORY. A New and Enlarged Edition, containing 4 new Maps and Letterpress. 20 Coloured Maps.
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...