Tag Archives: mantle

Has Earth’s mantle always worked like it does today?

Posted on July 28, 2023 by Chris Rowan

This seems to be the latest round in the eternal battle between the geophysics data which strongly suggests whole mantle convection (and for quite some time, if ideas about the origin of all the weird junk at the core-mantle boundary … Continue reading →

Categories: deep time, geochemistry, geology, geophysics, past worlds

Visualising Earth Structure, redux

Posted on January 20, 2017 by Chris Rowan

Last semester, when teaching my intro class about the composition and structure of the Earth and how we know, I went a bit overboard in producing a snazzy Earth cross-section: I’m still pretty proud of this, but one of its … Continue reading →

Categories: basics, geology, teaching