TTG是什么TTG在地质学上是指Trondhjemite(奥长花岗岩)Tonalite(英云闪长岩)Granodiorite(花岗闪长岩),它们这个系列的岩石在太古代时期的成因有一定的地质意义,..
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辽北地区大面积出露的太古宙花岗岩是奥长花岗岩和钙碱性岩浆双重演化趋势的复合产物。
In northern Liaoning Province, there exists a great area of Archaean granitoid, which is dual-evolutionary, and represents a tonalitic-trondhjemitic(TT) trend and a calc-alkali(CA) trend.
石英硬玉岩原岩包括正变质的花岗岩和奥长花岗岩、副变质的酸性火山碎屑岩和长石石英砂岩。
The protoliths of quartz jadeitite include metamorphosed granite, trondhjemite, acidic volcanic rocks and feldspar-quartz sandstone.
北峪奥长花岗岩 (体 )位于中条裂谷的西部 ,和霏细斑岩及辉长岩组成侵入杂岩体 ,呈南北向展布。
The Beiyu trondhjemite, together with felsite porphyry and gabbro, forms an intrusive complex extending S-N in the western part of the Zhongtiao rift.
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