One of the most common types is an igneous rock high in silica content called peridotite. In the past, when geologists compared prehistoric peridotite from Earth's mantle with modern samples ...

In May of 2023, scientists drilled the deepest core yet and recovered serpentinized peridotite that forms when saltwater ...

The mantle sequence is 3-8 km thick (Dewandel et al. 2005) and is comprised of peridotite (~30% of the ophiolite) (Kelemen and Matter 2008), overlain by gabbros. The original crustal material is ...

The Atlantis Massif is an oceanic core complex, a portion of lower crustal gabbroic rocks and peridotite mantle rocks uplifted during faulting of the seafloor (e.g. Ildefonse et al., 2007) that formed ...