Class-book of GeologyMacmillan and Company, 1890 - 516 páginas |
Dentro del libro
Página 4
... beds of rivers , the margins of lakes , or the shores of the sea . Wherever smoothed rolled pebbles occur , they ... bed of the sea at the present day , enable us to infer that where they lie the sea once rolled . Pits , quarries ...
... beds of rivers , the margins of lakes , or the shores of the sea . Wherever smoothed rolled pebbles occur , they ... bed of the sea at the present day , enable us to infer that where they lie the sea once rolled . Pits , quarries ...
Página 29
... beds along which the material is driven . The most solid rocks are worn down ; deep long gorges are dug out , and ... bed , that a river excavates its channel , is most strikingly shown immediately below a lake . In traversing a ...
... beds along which the material is driven . The most solid rocks are worn down ; deep long gorges are dug out , and ... bed , that a river excavates its channel , is most strikingly shown immediately below a lake . In traversing a ...
Página 31
... bed of harder material is underlain by one more easily removable . Where a stream , after flowing over the upper bed , encounters the decomposable bed below , it eats away the latter more rapidly . The overlying hard rock is thus under ...
... bed of harder material is underlain by one more easily removable . Where a stream , after flowing over the upper bed , encounters the decomposable bed below , it eats away the latter more rapidly . The overlying hard rock is thus under ...
Página 34
... beds of active torrents . Alluvium . But more universal testimony to the work of running water is to be found in the deposits which it has accumu- lated . To these deposits the general name of alluvium has been given . Spreading out on ...
... beds of active torrents . Alluvium . But more universal testimony to the work of running water is to be found in the deposits which it has accumu- lated . To these deposits the general name of alluvium has been given . Spreading out on ...
Página 39
... bed and of transporting the coarser detritus resting there . Large quantities of shingle may thus be swept out of the ordinary channel and be strewn across the nearer parts of the flood - plain . As the current spreads over this plain ...
... bed and of transporting the coarser detritus resting there . Large quantities of shingle may thus be swept out of the ordinary channel and be strewn across the nearer parts of the flood - plain . As the current spreads over this plain ...
Otras ediciones - Ver todas
Términos y frases comunes
abundant accumulated acid Ammonites ancient Assistant Master beds BOOK bottom Brachiopods calcareous calcite Cambrian Cambridge carbonate of lime Carboniferous Chapter chiefly clay College containing corals Cretaceous crinoids crystalline crystals decay deposits detritus Devonian earth earth's crust Edited ELEMENTARY Eocene eruptive Europe evidence example extinct fauna Fcap feet fissures fossils genera GEOGRAPHY geological history glacier globe gradually granite gravel GREEK ground Illustrated Jurassic kinds known lakes land lava layers limestone living lower marine marls mass materials Mesozoic mineral Miocene mountains natural occur Old Red Sandstone organic remains original Palæozoic Paleozoic period Permian plants and animals Pliocene present preserved Prof Professor quartz Red Sandstone regions revised rivers rocks sand schists sediment sedimentary sedimentary rocks shales sheets shells siliceous Silurian soil solid sometimes species stone strata structure substance surface terrestrial Tertiary thick trace Triassic upper various vegetation volcanic
Pasajes populares
Página 16 - The Golden Treasury of the Best Songs and Lyrical Poems in the English Language. Selected and arranged, with Notes, by FRANCIS TURNER PALGRAVE.
Página 9 - HODGSON -MYTHOLOGY FOR LATIN VERSIFICATION. A brief Sketch of the Fables of the Ancients, prepared to be rendered into Latin Verse for Schools.
Página 52 - THE BIBLE IN THE CHURCH. A Popular Account of the Collection and Reception of the Holy Scriptures in the Christian Churches. New Edition.
Página 30 - Shann. — AN ELEMENTARY TREATISE ON HEAT, IN RELATION TO STEAM AND THE STEAM-ENGINE. By G. SHANN, MA With Illustrations. Crown 8vo.4*.
Página 47 - Lethbridge. — A SHORT MANUAL OF THE HISTORY OF INDIA. With an Account of INDIA AS IT is. The Soil, Climate, and Productions ; the People, their Races, Religions, Public Works, and Industries ; the Civil Services, and System of Administration. By ROPER...
Página 31 - AN ELEMENTARY TREATISE ON THE LUNAR THEORY, with a Brief Sketch of the Problem up to the time of Newton. Second Edition, revised. Crown 8vo.
Página 26 - ON THE ALGEBRAICAL AND NUMERICAL THEORY OF ERRORS OF OBSERVATIONS AND THE COMBINATION OF OBSERVATIONS.
Página 16 - HISTORICAL OUTLINES OF ENGLISH ACCIDENCE, comprising Chapters on the History and Development of the Language, and on Word-formation.
Página 15 - Figures. *8. SMALL-HAND AND HALF-TEXT. With Capitals and Figures. 8a. PRACTISING AND REVISING COPY-BOOK. For Nos, 5 to 8. *9. SMALL-HAND SINGLE HEADLINES— Figures. 10. SMALL-HAND SINGLE HEADLINES— Figures. 11. SMALL-HAND DOUBLE HEADLINES— Figures.
Página 28 - CLIFFORD- THE ELEMENTS OF DYNAMIC. An Introduction to the Study of Motion and Rest in Solid and Fluid Bodies.