Contributions to the History of American GeologyU.S. Government Printing Office, 1906 - 545 pages |
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Common terms and phrases
American Journal appeared Archean argillite Azoic basin beds bowlders Cambrian Carboniferous character clay Coal Measures colored geological map Connecticut contained Cretaceous crust Dana deposits described Devonian drift earth Edward Hitchcock elevation Emmons Eocene expedition fact feet fissures formation fossils geological survey geologist glacial glaciers gneiss granite graywacke Hayden Hitchcock Hudson Hudson River igneous iron Island Journal of Science Lake Superior land lignite lime limestone lithological Lower Silurian mass material Meek melaphyr metamorphic mineral mineralogy Miocene Mississippi Mountains nature Newberry noted observations ocean octavo Ohio Oolite origin Owen paleontological Paleozoic paper period Permian plates portion Potsdam primitive Professor published quartz recognized red sandstone referred regarded region River rocks Rogers sand sections shales Silurian slate species stone strata surface Taconic Tertiary theory tion Triassic U. S. National Museum uplift Upper Valley views volcanic volume western wrote York
Popular passages
Page 252 - For yet seven days, and I will cause it to rain upon the earth forty days and forty nights; and every living substance that I have made will I destroy from off the face of the earth.
Page 653 - Now, who shall arbitrate? Ten men love what I hate, Shun what I follow, slight what I receive; Ten, who in ears and eyes Match me: we all surmise, They this thing, and I that: whom shall my soul believe? Not on the vulgar mass Called "work...
Page 560 - The river preserved its level, but mountains were lifted up; as the saw revolves on a fixed pivot, while the log through which it cuts is moved along. The river was the saw which cut the mountains in two.
Page 525 - Notes on the Geology of the Survey for the Extension of the Union Pacific Railway, ED , from the Smoky Hill River, Kansas, to the Rio Grande; Phila., 1868, pp.
Page 443 - ... being overthrown by violence. They probably fell in successive generations from natural decay ; and making every allowance for other materials, we may safely assert that every foot of thickness of pure bituminous coal implies the quiet growth and fall of at least fifty generations of Sigillarice, and therefore an undisturbed condition of forest growth enduring through many centuries.
Page 516 - Now, I have no hesitation in asserting, from my own observations as well as from those of others, that for the southwest striation the direction was from the ocean toward the interior, against the slope of the St Lawrence valley.
Page 633 - This in turn became again broken, leaving in some places uninjured portions of the general form. The main difference between this foraminiferal reef and more recent coral reefs...
Page 269 - I think we cannot account for these appearances, unless we call in the aid of ice along with water, and that they have been worn by being suspended and carried in ice, over rocks and earth, under water.
Page 324 - In the same year he was elected professor of geology and mineralogy in the University of Pennsylvania, holding this chair until 1872, when he was forced to resign, owing to his rapidly increasing duties in connection with the Geological Survey.
Page 288 - He is represented as a man of slight build, active and energetic, and with great powers of endurance; one who loved his work for the work's sake, and was always averse to receiving pay for his services excepting when circumstances rendered it absolutely necessary. According to his biographer, he had the reputation of being visionary and full of untenable theories.