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ScienceDaily: Fossils & Ruins News |
| New model shows Earth's deep mantle was drier from the start Posted: 11 Jul 2022 01:31 PM PDT By analyzing noble gas isotope data, a scientist determined that the ancient plume mantle (the deep part) had a water concentration that was a factor of 4 to 250 times lower when compared with the water concentration of the upper mantle. |
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