"On Earth, mantle rock is normally extremely difficult ... consisting largely of peridotite. At the site, shifting plate tectonics in the ocean crust fueled by heat from the mantle cause ...

In the past, when geologists have compared samples of prehistoric peridotite from Earth’s mantle and their modern equivalents, they’ve found a significant discrepancy. When rocks are exposed ...

Scientists discover hidden "ghost plume" beneath Oman using earthquake data, revealing Earth's secret heat pathways.

Geologists have discovered remnants of Earth's mantle that have persisted for over 2.5 billion years. The ancient rocks were less oxidized than modern ones, indicating that they were exposed to ...

Understanding the Earth’s mantle is crucial for comprehending ... 1268-meter-long drill core of serpentinized abyssal mantle peridotite from the mid-Atlantic ridge. The drill core was collected ...

"On Earth, mantle rock is normally extremely difficult ... The rock was mainly peridotite, a coarse igneous rock that is filled with olivine and pyroxene and is the most common rock type in ...

To understand the mantle—the largest layer of Earth’s rocky body—scientists drill deep cores out of the Earth. Scientists drilled the deepest core yet and recovered serpentinized peridotite ...

Here, mantle rock called peridotite seeps upwards and reaches ... and help define the potential for life beyond Earth,” said Professor Gordon Southam, an author on the study.

Peridotite is the main component of the mantle. Samples obtained so far may ... which was looking for clues to the origin of life on Earth. Evidence points to hydrothermal vents as the most ...

While the team did not actually drill across the Moho, it did obtain peridotite that originally came from the mantle brought to the surface by later faulting. “We’ve finally recovered a long section ...

To understand the geologic processes roiling beneath the Earth’s crust ... core of rock from the Earth’s upper mantle, consisting mainly of the rock peridotite. “These are the types of ...