The retrogressive metamorphism of eclogites took place in three stages in Weihai area.In the first stage, primary omphacite was broken down into sodic clinopyroxene and plagioclase.

 
  • 威海地区榴辉岩退变质过程表现为三个阶段:第一阶段,原生绿辉石分解形成钠质单斜辉石+斜长石合晶体;
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