MANUAL OF GEOLOGY |
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Términos y frases comunes
alumina Ammonites animal Appalachian region argillaceous Atlantic Azoic basin beds border Brachiopods calcareous Calciferous Canada carbonate Carboniferous clay Coal measures coast color common conglomerate containing coral Cretaceous Crinoids crust crystalline crystals deposits depth Devonian earth east eastern elevation England Eocene epoch Europe extinct feet thick feldspar fishes formation fossils Ganoids genera genus geological glacier globe gneiss granite height Helderberg hornblende Hudson inches interior islands Jurassic kinds Lake land later lavas layers lime limestone Lower Silurian magnesia Mammals marine Mesozoic metamorphic mica miles Miocene Mississippi Mollusks nearly Niagara North America occur ocean Oolite Paleozoic period Permian plants Post-tertiary Potsdam progress quartz reef represented Reptiles River rocks Rocky Mountains sand sandstone schist shales shells side siliceous slope species Spirifer stones strata stream structure Subcarboniferous subsidence surface Tertiary tion Trenton Triassic tribe Trilobites Upper Silurian valley vegetation veins Vertebrates volcanic waters York
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Página 731 - IV. Nearly all of the volcanoes of a continent are on that border which faces the largest ocean. V. The strata of the continental borders are for the most part plicated on a grand scale, while those of the interior are relatively but little disturbed.
Página 272 - The corals are sometimes standing on the rocks in the position they had when growing: others are lying in fragments, as they were broken and heaped by the waves; and others were reduced to a compact limestone by the finer trituration before consolidation into rock. This compact variety is the most common kind among the coral...
Página 661 - They shall go from the west to the east and from the south to the north to seek the word of the Lord, but they shall not find it, for he has withdrawn it from them
Página 731 - II. The highest mountain-border faces the largest ocean, and conversely. III. The continents have their volcanoes mainly on their borders, the interior being almost wholly without them, although they were largely covered with salt water from the Azoic age to tho Tertiary.