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地质学报 1949
OntheRocksandMetamorphismofPeyinchangVolcanicSeries,Kaolan,KansuAbstract: I.INTRODUCTIONInJuly,1946,whileinvestigatingthepyritedepositotPeyinchang,Kaolan,.Kansu[7],thewriternoticedthatthecountryrocksofthedeposit,formerlyrecognizedasaseriesofmetamorphosedsedimentaryrocksconsistingmainlyofphyllite,quartziteandschistbyMr.P.Chen[2],andMessrs.N.L.Liu,W.Y.LiangandT.C.Liu[4]whovisitedthereintheyearsof1940and1944respectively,arefardifferentinrockcharacterascomparedwiththedoubtlessmetamorphosedsedimentogenousrocksover-
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