Fig. 9. Regions with high Vp/Vs ratios and metal deposits zones. The
Mesozoic volcanic zone in Southeast China (the area with high Vp/Vs
ratios) (Fig. 9c, rectangle) corresponds with the continental margin
metal deposit zone (Cretaceous Sn-W-Pb-Zn-Au-U system along the
continental margin) (Fig. 9a, rectangle). Another area with high Vp/Vs
ratios (Fig. 9b, blue oval) corresponds with the Nanling metal deposit
zone (Nanling belt and adjacent area, a granite-related W-Sn-Mo-Bi-Be
system formed from 160-150 Ma) (Fig. 9a, blue oval).
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