Introductory Text-book of GeologyW. Blackwood and Sons, 1869 - 194 strani |
Iz vsebine knjige
Zadetki 1–5 od 15
Stran 10
... fresh - water lakes and rivers , or inhabited the waters of the ocean . Again , in making a railway - cutting , excavating a tunnel , or sinking a coal - pit , we may pass through many succes- sions of strata - such as clay , sandstone ...
... fresh - water lakes and rivers , or inhabited the waters of the ocean . Again , in making a railway - cutting , excavating a tunnel , or sinking a coal - pit , we may pass through many succes- sions of strata - such as clay , sandstone ...
Stran 41
... 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 whether it has been of marine , lacustrine , or estu- arine origin . Again ...
... 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 whether it has been of marine , lacustrine , or estu- arine origin . Again ...
Stran 97
... fresh - water or estuary origin . Unless in its fine white sandstones ( the ordinary building - stone of Edinburgh and St Andrews ) , in its fine - grained estuary and shell limestones , and in the greater profusion of its shells and ...
... fresh - water or estuary origin . Unless in its fine white sandstones ( the ordinary building - stone of Edinburgh and St Andrews ) , in its fine - grained estuary and shell limestones , and in the greater profusion of its shells and ...
Stran 98
... fresh - water than of a salt - water aspect . Coralloid fossils are rarely , if ever , found in its strata ; its shells are decidedly estuarine ; its plants seem to have grown in marine marshes and delta jungles , and many of its fishes ...
... fresh - water than of a salt - water aspect . Coralloid fossils are rarely , if ever , found in its strata ; its shells are decidedly estuarine ; its plants seem to have grown in marine marshes and delta jungles , and many of its fishes ...
Stran 130
... fresh - water lime- stone , and upon this a thick dirt - bed , containing not only cycadeæ , but stumps of trees from three to seven feet in height , in an erect position , with their roots extending beneath them . Stems of trees are ...
... fresh - water lime- stone , and upon this a thick dirt - bed , containing not only cycadeæ , but stumps of trees from three to seven feet in height , in an erect position , with their roots extending beneath them . Stems of trees are ...
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...