Introductory Text-book of GeologyW. Blackwood and Sons, 1869 - 194 strani |
Iz vsebine knjige
Zadetki 1–5 od 45
Stran 24
... marine exuvia ( Lat . cast - off crusts , shells , and similar remains , see Glos- sary ) , and often presenting a surface above the waves weathered and converted into soil capable of sustaining a scanty vegetation . Chemical Agencies ...
... marine exuvia ( Lat . cast - off crusts , shells , and similar remains , see Glos- sary ) , and often presenting a surface above the waves weathered and converted into soil capable of sustaining a scanty vegetation . Chemical Agencies ...
Stran 27
... marine life is even more sensitive than terrestrial to changes of depth and sea - bottom . RECAPITULATION . In the preceding chapter we have given a general outline of the causes now tending to modify the crust of the earth ; that is ...
... marine life is even more sensitive than terrestrial to changes of depth and sea - bottom . RECAPITULATION . In the preceding chapter we have given a general outline of the causes now tending to modify the crust of the earth ; that is ...
Stran 41
... marine remains must have been deposited in the sea , while those containing fresh - water plants and animals give evidence of deposition in lakes or in estuaries . In this way we can determine the nature of any forma- tion , and say ...
... marine remains must have been deposited in the sea , while those containing fresh - water plants and animals give evidence of deposition in lakes or in estuaries . In this way we can determine the nature of any forma- tion , and say ...
Stran 43
... marine shells and corals , some the remains of large reptiles and fishes , and others replete with the debris of terrestrial vegetation . By these methods we would soon be enabled to identify the chalk strata of Cambridge with those of ...
... marine shells and corals , some the remains of large reptiles and fishes , and others replete with the debris of terrestrial vegetation . By these methods we would soon be enabled to identify the chalk strata of Cambridge with those of ...
Stran 44
... marine , and belonging to species now extinct . IV . - OOLITIC SYSTEM , comprising the wealden strata , the upper and lower oolite , and the lias . Remains of plants and animals ( the most remarkable being huge reptilia ) , belonging to ...
... marine , and belonging to species now extinct . IV . - OOLITIC SYSTEM , comprising the wealden strata , the upper and lower oolite , and the lias . Remains of plants and animals ( the most remarkable being huge reptilia ) , belonging to ...
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...