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Authors names: Various (35) Huxley, Thomas Henry, 1825-1895 (18)  (11) Verne, Jules, 1828-1905 (9) more...

Subject tags: species (30) river (16) life (16) indians (15) more...

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Synonyms: class; layer; level; social class; socio-economic class; stratum

Your search found 473 item(s).

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  1.  A Sequel to the Vestiges / Anonymous
    on its surface. For example, we come to a mountain composed of a particular substance with strata or beds ... under the strata that we see lying against it. Suppose that we walk away from the mountain across the turned  details...
  2.  The Grand Canyon of Arizona; how to see it / James, George Wharton, 1858-1923
    back again and deposited twelve thousand feet of strata, then lifted them out into the sunshine, carved ... . Then it began to lift itself up again. Lazy? When lifting up two miles' thickness of strata for the clouds  details...
  3.  COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 / Humboldt, Alexander von, 1769-1859
    of contact. Fossiliferous strata; their vertical arrangement. The faunas and floras of an earlier world ... rocks, spring water forms, by precipitation, strata of limestone. Continued generation of sedimentary  details...
  4.  Theory of the Earth, Volume 1 (of 4) / Hutton, James, 1726-1797
    . SECT. II.--An Investigation of the Natural Operations employed in consolidating the Strata of the Globe ... . The Theory of interchanging Sea and Land, illustrated by an Investigation of the Primary and Secondary Strata  details...
  5.  The Student's Elements of Geology / Lyell, Charles, Sir, 1797-1875
    . Mineral Composition of Strata. Siliceous Rocks. Argillaceous. Calcareous. Gypsum. Forms of Stratification ... OF FOSSILS IN STRATA-- FRESH-WATER AND MARINE. Successive Deposition indicated by Fossils. Limestones formed  details...
  6.  Volcanic Islands / Darwin, Charles, 1809-1882
    .--Feldspathic rocks beneath the upper crystalline basaltic strata.--Uniform structure and form of the more ancient ... .--Craters of tuff; inclination of their exterior diverging strata, and structure of their interior converging strata  details...
  7.  The Antiquity of Man / Lyell, Charles, Sir, 1797-1875
    table of strata has been inserted in the first chapter, in place of the one originally there printed ... . Tabular View of the entire Series of Fossiliferous Strata. CHAPTER 2. RECENT PERIOD--DANISH PEAT  details...
  8.  æontological Science / Nicholson, Henry Alleyne, 1844-1899
    , and are studied _historically_ and as regards their relations to the chronological succession of the strata ... deposits. CHAPTER III. Chronological succession of the fossiliferous rocks--Tests or age of strata  details...
  9.  Geological Observations on South America / Darwin, Charles, 1809-1882
    . Fe.--Skeletons of Mastodon.--Infusoria.--Inferior marine tertiary strata, their age.--Horse's tooth. BANDA ORIENTAL.-- Superficial Pampean formation.--Inferior tertiary strata, variation of, connected ...  details...
  10.  Theory of the Earth, Volume 2 (of 4) / Hutton, James, 1726-1797
    as having been formed originally in horizontal strata at the bottom of the ocean; hence it should appear, that the land ... , There are the operations of the mineral region, some of which have had regular effects upon the strata, as we find  details...

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