Thursday, November 27, 2025

Mountains Underground?

 From Daily Galaxy:

Something vast is lurking beneath our feet—so immense and anomalous that scientists are rethinking what qualifies as the tallest “mountains” on Earth. A new study published in Nature reveals the existence of two colossal subterranean structures stretching from the core-mantle boundary deep within the planet. Towering up to 1,000 kilometers (620 miles) high—nearly 100 times taller than Mount Everest—these features sit beneath Africa and the central Pacific Ocean. They’re not made of rock in the conventional sense, but their scale makes them the largest identified features inside Earth. The discovery not only redefines Earth’s internal landscape—it introduces a powerful new tool for exploring planetary evolution. These dense regions may be billions of years old, preserving chemical signatures from early Earth and potentially influencing surface phenomena like volcano formation, plate tectonics, and mantle convection. (Read more.)

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