Guest Lecturer: David Jousselin
of Oregon Oman Ophiolite home page covers these and other topics.
Why oceanic plates subduct beneath continents
What is an ophiolite?
How are they emplaced?
How are they useful in understanding plate tectonics?
What do they allow us to understand regarding oceanic lithosphere, in
particular its composition and its process of formation?
A cartoon of a mid-ocean ridge focussing on the shallow upwelling
beneath the ridge (white arrows) in the mantle and the feeding of the crustal