g层 meaning in Chinese

g layer

A large amount of data of the latest regional geoglogy and the latest correlation data of layers and rock formation have been quoted , and a description of distribution of crystalline basement , formation , evolution as well as the distribution characteristic of the fracture belt of ordos basin have been made in this paper , and the paper also pointed out that the g - layer which lies between the base of the basin and tg reflector , is the extension of basinward of guandaokou of jixian system . the layer of changcheng system and jixian system , which had been divided before , can be correlated with the exposed huangqikou group and wangquankou group in helan mountain , and divided into qingbaikou system . so , the paper denied the viewpoint of the existence of aulacogen in hutuo period and middle proterozoic in this basin
文中引用了大量最新的区域地质资料和最新的地层、岩系划分对比资料，对鄂尔多斯盆地结晶基底的岩系分布、形成、演化以及断裂的展布特征进行了描绘，并指出盆地基底与tg反射层之间的g层是蓟县系官道口群向盆地的延伸，盆地中原划分的长城系、蓟县系地层可以和贺兰山出露的黄旗口组、王全口组对比，亦划归青白口系，从而否定了鄂尔多斯盆地存在滹沱期坳拉谷和盆地中有中元古坳拉谷发育阶段的看法。