retrogressive metamorphic reaction was broadly coeval with strong deformation in the shear zone and resulted in the transformations: pyroxene-hornblende, hornblende-biotite, hornblende-chlorite, biotite-chlorite, and feldspar-sericite etc.
璜山剪切带退变质反应是以其广泛的同时代强烈变形为特征.转换结果:辉石→角闪石,角闪石→黑云母,角闪石→绿泥石,黑云母→绿泥石,长石→绢云母等。
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