The amphiboles of retrogressive metamorphic stages in the granulite and eclogite were mainly formed under the condition of amphibolite facies of medium pressure facies series.
麻粒岩和榴辉岩中退变质阶段的角闪石主要形成于中压相系角闪岩相的温压条件。
Archaean era granulite facies metamorphite series are extensively outcropped in Sa - heqiao, Hebei province.
冀东迁西洒河桥是太古代麻粒岩相变质岩系广泛出露的地区。
Vertical series of the facies suggests an evolution of repeated spreading and contraction of the lake.
相的垂向序列反映湖泊具收缩-扩张-再收缩-再扩张的演变过程。
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