鄂拉山口 的英文怎麼說
中文拼音 [èlāshānkǒu]
鄂拉山口
英文
ngola shankou-
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區域地質資料和最新的地層、巖系劃分對比資料，對鄂爾多斯盆地結晶基底的巖系分佈、形成、演化以及斷裂的展布特徵進行了描繪，並指出盆地基底與tg反射層之間的g層是薊縣系官道口群向盆地的延伸，盆地中原劃分的長城系、薊縣系地層可以和賀蘭山出露的黃旗口組、王全口組對比，亦劃歸青白口系，從而否定了鄂爾多斯盆地存在滹沱期坳拉谷和盆地中有中元古坳拉谷發育階段的看法。
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