Introductory Text-book of GeologyW. Blackwood and Sons, 1869 - 194 strani |
Iz vsebine knjige
Zadetki 1–5 od 47
Stran 7
... FOSSILIFEROUS SCHISTS , SLATES , AND ALTERED LIMESTONES , 70 VIII . THE SILURIAN SYSTEM , EMBRACING THE LOWER AND UPPER SILURIAN GROUPS , OR THE LLANDEHO , WENLOCK , AND LUD- LOW SERIES , · 76 IX . THE OLD RED SANDSTONE OR DEVONIAN SYSTEM ,
... FOSSILIFEROUS SCHISTS , SLATES , AND ALTERED LIMESTONES , 70 VIII . THE SILURIAN SYSTEM , EMBRACING THE LOWER AND UPPER SILURIAN GROUPS , OR THE LLANDEHO , WENLOCK , AND LUD- LOW SERIES , · 76 IX . THE OLD RED SANDSTONE OR DEVONIAN SYSTEM ,
Stran 8
... UPPER NEW RED SANDSTONE OF ENGLAND , 118 XIII . THE OOLITIC SYSTEM , COMPRISING THE LIAS , THE OOLITE , AND WEALDEN GROUPS , 126 XIV . THE CHALK OR CRETACEOUS SYSTEM , COMPRISING THE GREEN- SAND AND CHALK GROUPS , 140 XV . THE TERTIARY ...
... UPPER NEW RED SANDSTONE OF ENGLAND , 118 XIII . THE OOLITIC SYSTEM , COMPRISING THE LIAS , THE OOLITE , AND WEALDEN GROUPS , 126 XIV . THE CHALK OR CRETACEOUS SYSTEM , COMPRISING THE GREEN- SAND AND CHALK GROUPS , 140 XV . THE TERTIARY ...
Stran 35
... upper surface of a stratum may be smooth , or it may be rough and irregular , and the under surface of the stratum laid above it must partake of the smoothness or this irregularity : this is bedding ; the line that marks this separation ...
... upper surface of a stratum may be smooth , or it may be rough and irregular , and the under surface of the stratum laid above it must partake of the smoothness or this irregularity : this is bedding ; the line that marks this separation ...
Stran 38
... Upper Egypt , where it occurs in abundance ; and when talc takes the place of mica , the rock is known by the name of protogine . There are many varieties of granite , arising from such interchanges of minerals . Basalt - Greenstone ...
... Upper Egypt , where it occurs in abundance ; and when talc takes the place of mica , the rock is known by the name of protogine . There are many varieties of granite , arising from such interchanges of minerals . Basalt - Greenstone ...
Stran 42
... upper series may contain only the re- mains of terrestrial vegetation . Thus , in sinking a shaft in the neighbourhood of London , we would pass through thick beds of plastic clay , layers of sand , and strata of water - worn flint ...
... upper series may contain only the re- mains of terrestrial vegetation . Thus , in sinking a shaft in the neighbourhood of London , we would pass through thick beds of plastic clay , layers of sand , and strata of water - worn flint ...
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...