The data mentioned above lead to suggest that the granulites are the representatives of middle to lower crust formed round about late Proterozoic era.
上述资料表明本区的麻粒岩是形成于晚元古代前后的中下地壳产物。
This paper deals with some results of experimental study on semi-brittle behavior of rocks at the conditions relevant to the middle-lower crust.
本文着重介绍了在中下地壳温度、压力条件下进行的几种岩石半脆性蠕变的实验研究结果。
The amphibolite xenoliths were from the upper part of lower crust and the lower part of middle crust, bring up to the shallow area of crust .
角闪岩包体来源于下地壳上部-中地壳下部位置，被上升岩浆带至地壳浅部。
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