Class-book of GeologyMacmillan and Company, 1890 - 516 páginas |
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Página 231
... Palæozoic ( ancient life ) or Primary , including the long succession of ages during which the earliest types of life existed ; ( 3 ) Mesozoic ( middle life ) or Secondary , comprising a series of periods when more advanced types of ...
... Palæozoic ( ancient life ) or Primary , including the long succession of ages during which the earliest types of life existed ; ( 3 ) Mesozoic ( middle life ) or Secondary , comprising a series of periods when more advanced types of ...
Página 232
Archibald Geikie. Paleozoic or Primary . Mesozoic or Secondary . Cretaceous . Danian . Senonian . Turonian . Cenomanian . Gault ( Albian ) ... Palæozoic or Primary . Cambrian or Primordial Upper 232 THE GEOLOGICAL RECORD CHAP .
Archibald Geikie. Paleozoic or Primary . Mesozoic or Secondary . Cretaceous . Danian . Senonian . Turonian . Cenomanian . Gault ( Albian ) ... Palæozoic or Primary . Cambrian or Primordial Upper 232 THE GEOLOGICAL RECORD CHAP .
Página 237
Archibald Geikie. CHAPTER XVII THE PALEOZOIC PERIODS - CAMBRIAN THE portion of geological history which treats of those ages in which the earliest known types of plants and animals lived is termed Palæozoic . Of the first appearance of ...
Archibald Geikie. CHAPTER XVII THE PALEOZOIC PERIODS - CAMBRIAN THE portion of geological history which treats of those ages in which the earliest known types of plants and animals lived is termed Palæozoic . Of the first appearance of ...
Página 238
... Paleozoic rocks were formed lay in Europe and North America chiefly towards the north . It no doubt consisted of Archæan rocks , such as still rise out from under the oldest Palæozoic formations . As already mentioned , the north - west ...
... Paleozoic rocks were formed lay in Europe and North America chiefly towards the north . It no doubt consisted of Archæan rocks , such as still rise out from under the oldest Palæozoic formations . As already mentioned , the north - west ...
Página 239
... Palæozoic periods , the animal life of the globe appears to have been entirely invertebrate , the highest known ... Palæozoic rocks afford only an imperfect record of the animal life of these early ages . Whole tribes of creatures ...
... Palæozoic periods , the animal life of the globe appears to have been entirely invertebrate , the highest known ... Palæozoic rocks afford only an imperfect record of the animal life of these early ages . Whole tribes of creatures ...
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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
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