'Mantle wedge' presentation slideshows

Processes and rates of magma ascent, storage and differentiation beneath arcs

Processes and rates of magma ascent, storage and differentiation beneath arcs. Georg F. Zellmer Institute of Earth Sciences, Academia Sinica gzellmer@earth.sinica.edu.tw. Two main topics of this lecture.

378 views • 31 slides

Van Keken, 2003

270 views • 11 slides

Globally, our observations link slab inputs to oxidation of the mantle wedge

Modified from Kelley & Cottrell , Science, 2009; Techniques in Cottrell et al, Chemical Geology, 2009. Globally, our observations link slab inputs to oxidation of the mantle wedge. Locally, degassing & crystallization do not (ubiquitously ) oxidize magmas.

115 views • 2 slides