The Earth's mantle.
Seismological images of the Earth's mantle reveal three distinct changes in velocity structure, at depths of 410, 660 and 2,700 km. The first two are best explained by mineral phase transformations, whereas the third-the D" layer-probably reflects a change in chemical composition and therm...
| Main Authors: | , |
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| 格式: | Journal article |
| 语言: | English |
| 出版: |
2001
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