Scientists use martite crystals to date Earth's missing rock record, revealing parts of the Great Unconformity formed 1.4 ...

"Granites aren't just rocks; they're geological archives that ... The fact that we see evidence for similar magmas on Mars through deep crustal remelting underscores the planet's complexity ...

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 ...

New research suggests that Earth's first crust, formed over 4.5 billion years ago, already carried the chemical traits we ...

Earlier first arrivals, for example in the Seattle fault zone, indicate that the rocks beneath the source and/or receiver have a higher P wave velocity, allowing the signal to travel more quickly.

Using radioactive isotope systems to determine the age and origins of minerals and rocks, primarily as tracers of magmatic ... research are in the fields of cosmochemistry and mantle and crustal ...