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Home > Dictionary of Science Quotations > Scientist Names Index G > Amadeus W. Grabau Quotes

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Amadeus W. Grabau
(9 Jan 1870 - 20 Mar 1946)

American geologist and palaeontologist known for his work on world stratigraphic deposits and the deciphering of Earth history. For a quarter-century, he spent his late career working on a geologic survey of China.


Science Quotes by Amadeus W. Grabau (1 quote)

Even more difficult to explain, than the breaking-up of a single mass into fragments, and the drifting apart of these blocks to form the foundations of the present-day continents, is the explanation of the original production of the single mass, or PANGAEA, by the concentration of the former holosphere of granitic sial into a hemisphere of compressed and crushed gneisses and schists. Creep and the effects of compression, due to shrinking or other causes, have been appealed to but this is hardly a satisfactory explanation. The earth could no more shrug itself out of its outer rock-shell unaided, than an animal could shrug itself out of its hide, or a man wriggle out of his skin, or even out of his closely buttoned coat, without assistance either of his own hands or those of others.
— Amadeus W. Grabau
The Rhythm of Ages (1940), 9-10.
Science quotes on:  |  Animal (651)  |  Assistance (23)  |  Cause (561)  |  Compression (7)  |  Concentration (29)  |  Continent (79)  |  Creep (15)  |  Crush (19)  |  Difficult (263)  |  Due (143)  |  Earth (1076)  |  Effect (414)  |  Explain (334)  |  Explanation (246)  |  Form (976)  |  Former (138)  |  Foundation (177)  |  Fragment (58)  |  Hide (70)  |  Man (2252)  |  Mass (160)  |  More (2558)  |  Other (2233)  |  Plate Tectonics (22)  |  Present (630)  |  Production (190)  |  Rock (176)  |  Shell (69)  |  Single (365)  |  Skin (48)


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Carl Sagan Thumbnail In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
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