简介：PetrochemicalstudiesindicatethattheYanghoumetamorphieultramaficrocksarecomposedofmetamorphosedharzburgiteandultramaficcumulate.Traceelementgeochemistryandmineralchemistryofthemetamorphicharzburgiteindicatethattheyarerelictsofdepletedmantle.Systematicpetrochemical,mineralchemicalandgeochronologicalstudiesledtosuchaconclusionthattheYanghoumetamorphicultramaficrocksmaybethecomponentsofLateSinian-EarlyPaleozoicophioliteinSouthChina.
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