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Rarely has a scholar attained such popular acclaim merely by doing what he does best and enjoys most. But such is Stephen Jay Gould's command of paleontology and evolutionary theory, and his gift for brilliant explication, that he has brought dust and dead bones to life, and developed an immense following for the seeming arcana of this field.
In "Time's Arrow, Time's Cycle" his subject is nothing less than geology's signal contribution to human thought--the discovery of "deep time," the vastness of earth's history, a history so ancient that we can comprehend it only as metaphor. He follows a single thread through three documents that mark the transition in our thinking from thousands to billions of years: Thomas Burnet's four-volume "Sacred Theory of the Earth" (1680-1690), James Hutton's "Theory of the Earth" (1795), and Charles Lyell's three-volume "Principles of Geology" (1830-1833).
Gould's major theme is the role of metaphor in the formulation and testing of scientific theories--in this case the insight provided by the oldest traditional dichotomy of Judeo-Christian thought: the directionality of time's arrow or the immanence of time's cycle. Gould follows these metaphors through these three great documents and shows how their influence, more than the empirical observation of rocks in the field, provoked the supposed discovery of deep time by Hutton and Lyell. Gould breaks through the traditional "cardboard" history of geological textbooks (the progressive march to truth inspired by more and better observations) by showing that Burnet, the villain of conventional accounts, was a rationalist (not a theologically driven miracle-monger) whose rich reconstruction of earth history emphasized the need for both time's arrow (narrative history) and time's cycle (immanent laws), while Hutton and Lyell, our traditional heroes, denied the richness of history by their exclusive focus upon time's Arrow.
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Gould exposes the 'cardboard cut-out' Whig version of history that most working scientists have received uncritically as hurried historical preambles to their study of geology per se. James Hutton, for example, is held up as a paragon of the field geologist who supposedly preceded his assertion of the existence of 'deep time' with countless hours in the field. Not so, says Gould. In fact, Hutton did his field work after he conceived the idea of a lengthy earth history and merely used his field observations to bolster his claim. Thomas Burnet, author of the much made-fun-of Sacred Theory of the Earth, is revealed to have been a champion of uniformitarianism before Hutton even conceived of it. Burnet refused to advance causes for events described in the Bible that could not be explained by the laws of physics as advanced by Isaac Newton. Finally, Charles Lyell is exposed as a master of rhetoric who conflated methodological and substantive aspects of uniformitarianism in order to sway his audience. No member of the scientific community contemporary to Lyell clung to the Mosaic timescale. He merely used it as a strawman. It was Lyell who managed to mate the narrative and eternal return perspectives into a coherent view of Earth history. First he did so by insisting the apparent progress observed in the fossil record was caused by the immense scale of the cycles of Earth history. Eventually he conceded the reality of evolution and allowed for the existence of an arrow of time whose path did not curve.
Gould's book is modified from a series of lectures, which is probably why there is so much uncharacteristic repetition of themes and ideas in this book. It was the only aspect of this book that I found irritating. Gould is also candid about his pride at uncovering various inaccuracies in the received wisdom and unearthing original themes to explain patterns in the history of geology. I have heard other people complain about this personality trait. I have no problem with it and believe that his satisfaction with his own cleverness is quite justifiable.
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