Chips and Chapters, a Book for Amateur and Young GeologistsW. Blackwood and sons, 1869 - 303 páginas |
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Página 24
... drifts , following veins and lodes for ores , or sinking shafts for coal , ironstone , fire - clay , and other stratified rocks , there are numerous facts con- nected with the occurrence of these minerals , their disloca- tions ...
... drifts , following veins and lodes for ores , or sinking shafts for coal , ironstone , fire - clay , and other stratified rocks , there are numerous facts con- nected with the occurrence of these minerals , their disloca- tions ...
Página 61
... drifting into error . And , in the first place , it may be observed , that where any series of metamorphic strata have a clearly - defined position — that is , are sequentially con- nected with other fossiliferous strata , or contain ...
... drifting into error . And , in the first place , it may be observed , that where any series of metamorphic strata have a clearly - defined position — that is , are sequentially con- nected with other fossiliferous strata , or contain ...
Página 72
... drifts , marked by the remains of mammoth and other elephantine forms ; then follow the lake and bog silts and peat - mosses , containing bones of deer and oxen ; and , lastly , we approach accumulations containing works of human art ...
... drifts , marked by the remains of mammoth and other elephantine forms ; then follow the lake and bog silts and peat - mosses , containing bones of deer and oxen ; and , lastly , we approach accumulations containing works of human art ...
Página 73
... drift . " But what drift ? Is it the glacial drift , or later river - drift ? Is it drift formed in times immediately post - glacial , or in ages immediately pre - Celtic ? At the pre- sent moment there is the widest and vaguest notions ...
... drift . " But what drift ? Is it the glacial drift , or later river - drift ? Is it drift formed in times immediately post - glacial , or in ages immediately pre - Celtic ? At the pre- sent moment there is the widest and vaguest notions ...
Página 96
... drifts of sand and gravel whence have these gravels been derived ? Can the veins be discovered from which they were originally worn out ? Can the geologist in this way determine the gravels that are productive from those that are ...
... drifts of sand and gravel whence have these gravels been derived ? Can the veins be discovered from which they were originally worn out ? Can the geologist in this way determine the gravels that are productive from those that are ...
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Chips and Chapters, a Book for Amateur and Young Geologists David Page (F.G.S.) Visualização integral - 1869 |
Palavras e frases frequentes
accumulations agencies ages annelids antiquity aspects basalts beds boulders breccias Carboniferous chemical clay cliffs climate coal conglomerates crannoge Crown 8vo crustacea deposited drift Dura earth earth's crust epoch estuaries evidence existing facts fauna Fcap fishes formation former fossil fracture fragments genera geographical geologist geology GEORGE ELIOT glacial glacier globe gneiss gravel Greenland greenstones hath haue higher hills Holoptychius igneous islands knowledge lake lake-silts limestones maps marl masses matter metamorphism mind mineral natural sciences observation occur Old Red Sandstone Oolite operations origin paleozoic peat-mosses Permian phenomena philosophy physical plants and animals porphyries present day Professor progress raised beaches recent rocky crust sand scenery schists scientific Scotland Scottish sea and land sea-shore Second Edition shales shells shores silt Silurian soil species strata stratified rocks submerged surface thousand tion trace upheaval vegetable vnto volcanic vols whole young geologist
Passagens conhecidas
Página 135 - THERE rolls the deep where grew the tree. O earth, what changes hast thou seen ! There where the long street roars, hath been The stillness of the central sea. The hills are shadows, and they flow From form to form, and nothing stands ; They melt like mist, the solid lands, Like clouds they shape themselves and go.
Página 305 - Memoir of Sir William Hamilton, Bart., Professor of Logic and Metaphysics in the University of Edinburgh. By Professor VEITCH of the University of Glasgow. 8vo, with Portrait, 18s.