The Mantle
The thick shell then gives way to the mantle, which is a hazy inner layer that is difficult to discern. This deeper stratum is responsible for nearly 40% of the Earth’s total mass, according to some estimates. In terms of scientists and researchers, this has resulted in an interesting journey.
The Mantle
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Project Mohole
The United States took the initiative in 1958 by launching Project Mohole, which was the first of its kind. It is located in the vicinity of Guadalupe, Mexico. A team of engineers drilled a hole through the seafloor of the Pacific Ocean.
Project Mohole