"Cretaceous" Quotes from Famous Books
 ... with the twelve fossil species already discovered and described by Heer and Lesquereux, some of which seem to have flourished over vast areas in the Arctic regions and in Europe and our own territories, during tertiary and cretaceous times,—then indeed it becomes plain that our two surviving species, restricted to narrow belts within the limits of California, are mere remnants of the genus, both as to species and individuals, and that they probably are verging to extinction. ...
— The Mountains of California • John Muir
... Flowing northeastward across Loudoun, it receives many smaller streams until passing the first range of Catoctin Mountain, when it claims a larger tributary, the North Fork. Goose Creek represents subsequent drainage dependent on the syncline of the Blue Ridge and dating back at least as far as Cretaceous time. Its length in Loudoun is about thirty miles, and it has a fall of one hundred feet in the last twenty-two miles of its course. It drains nearly one-half the county and is about sixty ...
— History and Comprehensive Description of Loudoun County, Virginia • James W. Head
... first or oldest series of Primary or Crystalline rocks, while on the west side they are all Triassic, the intermediate Cambrian, Silurian, Devonian and Carboniferous formations being wanting. This state of things continues all along the Atlantic coast to Georgia, the Cretaceous or Jurassic taking the place of ...
— The Hudson - Three Centuries of History, Romance and Invention • Wallace Bruce
... species of shells into the range of genera or groups. Analogy from shells would only go so far, that if two or three species...were found to range from America to India, they would be found to extend through an unusual thickness of strata—say from the Upper Cretaceous to its lowest bed, or the Neocomian. Or you may reverse it and say those species which range throughout the whole Cretaceous, will have wide ranges: viz., from America through Europe to India (this is one actual case with shells ...
— More Letters of Charles Darwin - Volume I (of II) • Charles Darwin
... sometimes of pyroxene and hematite. They differ from the Old World porphyries in containing no quartz, and seldom mica.[63] D'Orbigny considers the porphyries of the Andes to have been ejected at the close of the cretaceous period, and formed the first relief of the Cordillera. The prevalence of trachyte shows that the products ...
— The Andes and the Amazon - Across the Continent of South America • James Orton
|
