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University of Arizona: Geologists Rewind the Clock to Reveal Secrets About Earth's Mysterious Mantle
April 20, 2024
TUCSON, Arizona, April 20 (TNSres) -- The University of Arizona issued the following news release:

By Mikayla Mace Kelley, University Communications

There's no shovel or drill powerful enough to allow scientists to plumb the depths of Earth to reach its mantle - the 1,800-mile-deep layer sandwiched between a relatively thin crust and the planet's dense core.

This is unfortunate, because Earth's geologic history is recorded in solid rock that . . .

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