the Major State Basic Resesrch Development Projects(Gant No.2001CB409801);the National Natural Science Foundation of China(Grant No.49972075); the Foundation of Continental Dynamic Laboratory of Northwestern Univeristy.
The Songshugou dunite body, which occupies an area of about 20 km2, is the largest ultramafic massif in the eastern Qinling orogenic belt, Central China. The major compo-nent of this body is dunitic rocks including my...