Geology for general readers1870 |
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Página 24
... calcareous ; shales bitu- minous , shales calcareous , and shales ferruginous ; limestones argillaceous , and limestones silicious ; coals so pure as to burn away without leaving scarcely a trace of ashes , and others so stony as to be ...
... calcareous ; shales bitu- minous , shales calcareous , and shales ferruginous ; limestones argillaceous , and limestones silicious ; coals so pure as to burn away without leaving scarcely a trace of ashes , and others so stony as to be ...
Página 25
... calcareous muds , and excluded from the action of the air , they gradually undergo a change , become impregnated with mineral solutions , and in course of time are petrified , or converted into stony matter like the strata that contain ...
... calcareous muds , and excluded from the action of the air , they gradually undergo a change , become impregnated with mineral solutions , and in course of time are petrified , or converted into stony matter like the strata that contain ...
Página 29
... calcareous clays , lignites , greensands , and various < sandstones . Calcareous sandstones , sandstones , clays , shales , coals , ironstones , and limestones . Reddish and variegated sandstones , marls , pebbly beds , and shelly ...
... calcareous clays , lignites , greensands , and various < sandstones . Calcareous sandstones , sandstones , clays , shales , coals , ironstones , and limestones . Reddish and variegated sandstones , marls , pebbly beds , and shelly ...
Página 44
... calcareous and silicious envelopes . These envelopes , though mere microscopic specks , are yet aggregated in such myriads that they are capable of forming extensive beds of limestone on the one hand , and of flinty rock on the other ...
... calcareous and silicious envelopes . These envelopes , though mere microscopic specks , are yet aggregated in such myriads that they are capable of forming extensive beds of limestone on the one hand , and of flinty rock on the other ...
Página 45
... calcareous ooze that covers so large an area of the Atlantic sea - bed , and in the silicious mud of most of our existing estuaries . * The lime and the flint dissolved by springs from the crust of the earth , and borne down by streams ...
... calcareous ooze that covers so large an area of the Atlantic sea - bed , and in the silicious mud of most of our existing estuaries . * The lime and the flint dissolved by springs from the crust of the earth , and borne down by streams ...
Palavras e frases frequentes
accumulations ages America ancient antiquity areas arrangement aspects beds bituminous calcareous Cambrian Carboniferous Chalk changes chemical chiefly clays climate coal coal-fields course Cretaceous Crown 8vo crustacea crystalline debris decay deposits distribution of sea drifted dry land earth's crust eocene estuaries Europe existing extinct feet fishes flora and fauna formations forms fossils Geography geologists geology glacial epoch glacier globe gradually gravel heat higher igneous incessant ironstones islands lakes latitudes Laurentian lava less lignites limestones lower mammals masses matter MESOZOIC metamorphism mineral miocene nature newer numerous occur ocean Old Red Sandstone older Oolite operations organic PALEOZOIC partly period physical plants and animals pliocene portion present recent regions reptiles rivers rock-matter rocks rocky sand schists sea and land secondary sediments shales shell-fish shells silts Silurian Sketch soil species stage stone strata stratified surface terrestrial tertiary thickness tion Triassic variety vegetable veins vital volcano vulcanic zoophytes
Passagens conhecidas
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Página 12 - A Glossary of Navigation. Containing the Definitions and Propositions of the Science, Explanation of Terms, and Description of Instruments. By the Rev. JB HARBORD, MA, Assistant Director of Education, Admiralty. Crown 8vo. Illustrated with Diagrams, 6s. Definitions and Diagrams in Astronomy and Navigation.
Página 7 - CAUVIN. A Treasury of the English and German Languages. Compiled from the best Authors and Lexicographers in both Languages. Adapted to the Use of Schools, Students, Travellers, and Men of Business; and forming a Companion to all German-English Dictionaries. By JOSEPH CAUVIN, LL.D. & Ph.D., of the University of Gottingen, &c. Crown 8vo, 7s.
Página 5 - We must admire the ability and persevering research with which he has succeeded in imparting to his 'Manual' so much freshness and originality. In no respect is this character more apparent than in the plan of arrangement, by which the author commences his description of the physical geography of each tract by a sketch of its true basis or geological structure.
Página 15 - ANCIENT CLASSICS FOR ENGLISH READERS. EDITED BY THE REV. W. LUCAS COLLINS, MA Complete in 28 Vols.
Página 7 - A Manual of Palaeontology, for the Use of Students. With a General Introduction on the Principles of Palaeontology.
Página 2 - Crown 8vo, pp. 800 7s. 6d. The School Etymological Dictionary and Word-Book. Combining the advantages of an ordinary pronouncing School Dictionary and an Etymological Spelling-book. Fcap. 8vo, pp. 254. 2s. STORY. Graffiti D'ltalia. By WW STORY, Author of
Página 49 - This earth, like the body of an animal, is wasted at the same time that it is repaired. It has a state of growth and augmentation; it has another state, which is that of diminution and decay. This world is thus destroyed in one part, but it is renewed in another; and the operations by which this world is thus constantly renewed, are as evident to the scientific eye, as are those in which it is necessarily destroyed.
Página 7 - POTTS AND DARNELL. Aditus Faciliores : An easy Latin Construing Book, with Complete Vocabulary. By AW POTTS, MA, LL.D., Head-Master of the Fettes College, Edinburgh, and sometime Fellow of St John's College, Cambridge; and the Rev. C. DARNELL, MA, Head-Master of Cargilfield Preparatory School, Edinburgh, and late Scholar of Pembroke and Downing Colleges, Cambridge.
Página 3 - ... this respect the Dictionary is most valuable and thoroughly reliable. As to the etymology of words, it is exhibited in a form that fixes itself upon the memory, the root-words showing the probable origin, of the English words, their primary meaning, and their equivalents in other languages. Much useful information and instruction relative to prefixes, postfixes, abbreviations, and phrases from the Latin, French, and other languages, &c., appropriately follow the Dictionary, which is throughout...