"Permian" Quotes from Famous Books
 ... comparatively highly organized vertebrate type, such as that of the Labyrinthodonts, is capable of persisting, with no considerable change, through the period represented by the vast deposits which constitute the Carboniferous, the Permian, and the Triassic formations. ...
— Critiques and Addresses • Thomas Henry Huxley
... of examining material from fissure deposits of early Permian age collected from a limestone quarry near Fort Sill, Oklahoma, the author recovered several tooth-bearing fragments of small pelycosaurs. The fragments were examined, compared with descriptions ...
— Two New Pelycosaurs from the Lower Permian of Oklahoma • Richard C. Fox
... Europe and North America, are so extremely rare and so very imperfectly known, that they give little help in determining the descent of the class, but, on the other hand, certain reptilian orders of the Permian period, especially well represented in South Africa, display so many and such close approximations to mammalian structure, as strongly to suggest a genetic relationship. It is difficult to believe that all those likenesses should have been independently acquired ...
— Darwin and Modern Science • A.C. Seward and Others
... away, and sent them dashing down the river to fill up the Gulf of California and make the Mohave and Colorado Deserts? Lazy? When, after that was done, it sank again, and allowed a thousand feet of Cambrian to be deposited; then two thousand feet of Carboniferous; then Permian, Triassic, Jurassic and Cretaceous, until the three thousand feet were increased to two miles of deposits. Then it began to lift itself up again. Lazy? When lifting up two miles' thickness of strata for the clouds ...
— The Grand Canyon of Arizona: How to See It, • George Wharton James
... continent, such as used to be known as the Trenton limestone, the mountain limestone, the chalk. Perhaps every proper system and period should be marked by such a limestone in the middle. The time classed as late Permian and Triassic on the other hand was one of uplift, disturbance, volcanic action and extreme climates, which gave us the traps of Mt. Tom, the Palisades of the Hudson, the bold scenery of the Bay of Fundy and ...
— Popular Science Monthly Volume 86 |
