Geologists Discover Gigantic ‘Fortresses’ 1,800 Miles Below Earth’s Surface
Great Discoveries Channel   2 days ago
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Geologists Discover Gigantic ‘Fortresses’ 1,800 Miles Below Earth’s Surface  The Daily GalaxyVolcanic eruptions may be caused by mysterious ‘BLOBS’ under the Earth  Yahoo HomeGeologists found 'gigantic fortresses' beneath the Earth's crust in the...