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from | Encarta |  |
James Hutton |
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| British geologist James Hutton originated the theory that Earth’s crust is gradually changing. Other geologists of his time believed that Earth’s surface underwent long periods of time without changing between sudden periods of catastrophic changes. | ||||||
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| Science Source/Photo Researchers, Inc. | ||||||
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| Appears in these articles: | ||||||
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| Hutton, James | ||||||
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