I spent the morning attending the session on Subduction zone dynamics: A slab's journey in the upper and lower mantle. Unsurprisingly, most of the talks had to do with numerical modeling of subduction—such a high percentage of them that one guy felt compelled to apologize for offering a talk based on geochemical data from real rocks. I, for one, was delighted to hear his talk—while the pretty pictures and movies of what may be happening in the subjection process is certainly interesting, hearing details about real rocks and what we can infer from their chemistry is even more interesting.
Now it is time for me to shut down the computer, enjoy one final bike-ride along the pretty bike path.
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