Introductory Text-book of GeologyW. Blackwood and Sons, 1869 - 194 strani |
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Zadetki 1–5 od 11
Stran 26
... interstratified and mingled with the sedimentary matter of the ocean - an occurrence we shall afterwards find very common among the older rock - formations . Even when seated on land , they are generally in close proximity to the sea ...
... interstratified and mingled with the sedimentary matter of the ocean - an occurrence we shall afterwards find very common among the older rock - formations . Even when seated on land , they are generally in close proximity to the sea ...
Stran 33
... interstratified with the true sedimentary rocks , as at C C. Occasionally the interstratified matter appears to have been ejected in the state of dust and ashes , and to have subsided as sediment in the ocean , there to be covered up by ...
... interstratified with the true sedimentary rocks , as at C C. Occasionally the interstratified matter appears to have been ejected in the state of dust and ashes , and to have subsided as sediment in the ocean , there to be covered up by ...
Stran 40
... interstratified ; and the fractures or rents caused by volcanic convulsion , as fissures , faults , dykes , and veins . The structure and texture of rocks , whether of aqueous or of igneous origin , are distinguished by a variety of ...
... interstratified ; and the fractures or rents caused by volcanic convulsion , as fissures , faults , dykes , and veins . The structure and texture of rocks , whether of aqueous or of igneous origin , are distinguished by a variety of ...
Stran 54
... interstratified with true sedimentary matter . It is to these successional flows of igneous matter , and the subsequent unequal degradation of the interstratified aqueous and softer rocks , that the trap hills owe their stair - like ...
... interstratified with true sedimentary matter . It is to these successional flows of igneous matter , and the subsequent unequal degradation of the interstratified aqueous and softer rocks , that the trap hills owe their stair - like ...
Stran 55
... interstratified with these deposits ; but a great portion also is of posterior date , and in this case occurs as disrupting and overlying masses . To enu- merate the districts in which trappean compounds occur , would be to map out the ...
... interstratified with these deposits ; but a great portion also is of posterior date , and in this case occurs as disrupting and overlying masses . To enu- merate the districts in which trappean compounds occur , would be to map out the ...
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.
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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...