Geological MagazineHenry Woodward Cambridge University Press, 1879 |
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Página 2
... facts and arguments adduced in support of the Cambrian System , brought about its inevitable re - action after his ... fact of the daily increasing number and ability of their opponents is either contemptuously ignored , or , at most ...
... facts and arguments adduced in support of the Cambrian System , brought about its inevitable re - action after his ... fact of the daily increasing number and ability of their opponents is either contemptuously ignored , or , at most ...
Página 3
... fact that in the typical areas their beds were stratigraphically discordant . It amounts , on the other hand , to an implicit adoption of the only safe principle , that we have no reliable chronological scale in geology but such as is ...
... fact that in the typical areas their beds were stratigraphically discordant . It amounts , on the other hand , to an implicit adoption of the only safe principle , that we have no reliable chronological scale in geology but such as is ...
Página 4
... fact , has been very generally acknowledged for the last thirty years . The keen- eyed and philosophic Barrande was the first to recognize this truth , and his addition of the " Primordial " to the First and Second Faunas of Murchison's ...
... fact , has been very generally acknowledged for the last thirty years . The keen- eyed and philosophic Barrande was the first to recognize this truth , and his addition of the " Primordial " to the First and Second Faunas of Murchison's ...
Página 5
... fact that the general facies of the fossils of these three divisions , when viewed in their collective aspect , has a marked character of its own , wholly distinct from that of the faunas of the overlying rock - groups . Profoundly ...
... fact that the general facies of the fossils of these three divisions , when viewed in their collective aspect , has a marked character of its own , wholly distinct from that of the faunas of the overlying rock - groups . Profoundly ...
Página 6
... fact adduced in support of Sedgwick's claim to the rocks of the Second fauna can be met by one in Murchison's favour equally cogent , is forgotten . That every error committed by the latter to the destruction of his claims can be ...
... fact adduced in support of Sedgwick's claim to the rocks of the Second fauna can be met by one in Murchison's favour equally cogent , is forgotten . That every error committed by the latter to the destruction of his claims can be ...
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Palavras e frases frequentes
angular appear basalt base beds Boulder-clay boulders British Cambrian Carboniferous character clay cliffs Coal-measures Coast of Sumatra conglomerate containing corallites corals Cretaceous crystalline denudation deposits described Devonian diamonds Dingle district drift elevation Eocene evidence fauna feet felspar formation fossil fragments gabbro genus Geol geologists glacial glaciers Glengariff granite gravel grits hills hornblende island Journ Lake Limestone Lower M'Coy marine Marl mass Mesozoic metamorphic miles mineral Miocene mountain observed occur Old Red Sandstone origin Palæozoic Paleozoic paper pebbles period Permian Phillips sp plates portion Precambrian present probably Prof quartz raised beach recent referred ridges river rocks sand schists serpentine shales shell side Silurian Skiddaw Skiddaw Slates slate species specimens stones strata Sumatra surface Tertiary thickness tin ground Triassic unconformity Upper Silurian valley volcanic Wales whorls Woodw
Passagens conhecidas
Página 565 - NICHOLSON. A Manual of Zoology, for the use of Students. With a General Introduction on the Principles of Zoology. By HENRY ALLEYNE NICHOLSON, MD, D.Sc., FLS, FGS, Regius Professor of Natural History in the University of Aberdeen.
Página 79 - The Carucata, which is also to be interpreted the plough-land, was as much arable as could be managed with one plough and the beasts belonging thereto in a year ; having meadow, pasture, and houses for the house-holders and cattle belonging to it...
Página 33 - Florence of Worcester says : — "On the third day of the nones of Nov. 1099, the sea came out upon the shore, and buried towns and men very many, and oxen and sheep innumerable.
Página 58 - Thus there cannot be the shadow of a doubt as to the length of time which must have elapsed between the close of the Upper Silurian and the commencement of the Carboniferous Period, and of the greatness of the work accomplished in that time.
Página 46 - By JW Davis, Esq., FGS The author described some fossil remains of fish obtained from the bone-bed immediately above the " Better-bed Coal " referred to by him in a former paper (see QJGS vol. xxxii. p. 332). The fossils described included Ichthyodorulites belonging to 4 species, namely : — Pleurodus affinit, a species named, but not described or figured by Agassiz ; Hoplonehus elegans, gen.
Página 381 - On the Cambrian (Sedgw.) and Silurian beds of the Dee Valley, as compared with those of the Lake-district.
Página 156 - The trunks of the trees gradually decay until they are converted into a blackish-brown substance resembling peat, but which still retains more or less of the fibrous structure of the wood ; and layers of this often alternate with layers of clay and sand, the whole being penetrated, to the depth of four or five yards or more, by the long fibrous roots of the willows.
Página 30 - because the lands covered by seas were originally at different altitudes, that the waters have risen, or subsided, or receded from some parts and inundated others. But the reason is, that the same land is sometimes raised up and sometimes depressed, and the sea also is simultaneously raised and depressed, so that it either overflows or returns into its own place again.
Página 46 - Turbinarias (2); Tabulata (1). The paper concluded with remarks on the genera and species represented, from which it appeared that the Coral fauna of Haldon is the northern expression of that of the French and Central European deposits, which are the equivalents of the British Upper Greensand. The Haldon deposit was formed in shallow water, and the corals grew upon the rolled debris of the age. 2. " Notes on Pleurodon affinis, sp. iued., Agassiz, and description of three spines of Cestracionts from...
Página 30 - ... at different altitudes, that the waters have risen, or subsided, or receded from some parts and inundated others. But the reason is, that the same land is sometimes raised up and sometimes depressed, and the sea also is simultaneously raised and depressed, so that it either overflows or returns into its own place again. We must, therefore, ascribe the cause to the ground, either to that ground which is under the sea, or to that which becomes flooded by it, but rather to that which lies beneath...