Xia et al. argue that the Qiangtang metamorphic belt does not include melange and was exhumed prior to early Mesozoic time, in contrast to the conclusions of Kapp et al. (2000a). While many of the data they cite may be valid, we show that the interpretations presented are either incorrect or highly questionable.


In their first point, Xia et al. argue that the blueschist-bearing melange of Kapp et al. (2000a) is neither melange nor exhibits “typical high-pressure minerals.” Figure 1 shows strongly foliated and lineated blueschists that encapsulate tectonic lenses of marble within the central Qiangtang metamorphic belt near...

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