浅变质岩区  lower metamorphic zone

震旦系浅变质岩  Sinian epimetamorphic rocks

极低级浅变质岩  low-grade epimetamorphic rock

浅变质岩  low grade metamorphic rocks; Low-grade rocks; low-grade metamorphic rock; Low-grade Metamorphic Rocks; Low grade metamorphic rock; Epimetamorphic rock

浅变质岩系  epimetamorphic rock series

变质岩区  Metamorphic terrane

泥质变质岩  Metapelites

泥质变质岩类  pelitic metamorphic rocks

深变质岩区  hypometamorphic rock

变质前结构  praemetamorphic texture

顶盖前区前核  anterior pretectal nucleus; 6-axis Acceleration Sensor

前C区变异  Pre-core Mutation; precore mutation

前寒武系变质岩  Precambrian metamorphic rocks

前震旦纪  presinian period; pre-Sinian period; pre-Sinian

前震旦纪地块  pre-Sinian block

前震旦纪火山岩  Presinian volcanic rock

前震旦系  pre-Sinian; Presinian; basement properties

早前寒武纪变质岩系  early Precambrian metamorphic rocks

震前变化  variation before earthquakes