摘要
一、序言 准噶尔盆地是界于天山与阿尔泰山系之间,状如三角形;其顶部向北。盆地的东西端较开阔,成为我国通向中亚的天然孔道。盆地的中央部即所谓“不毛之地”,它是没有水源的草地、沙漠、沼泽与盐湖。盆地的最低标高约200米,总面积约12万平方公里。
The stratigraphy of the Dzungarian Basin is summurized as follows:Most of the older rocks are only exposed along the marginal parts or the surrounding hills of the basin,while the cenozoic and the mesozoic sediments are extensively developed in its main portion.1.Paleozoic Rocks,chiefly exposed in the marginal folded zone of the basin:A.Silurian-Devonian formations Mainly of schists,quartzites,phyllites and slates.B.Devonian formations Chiefly of a thick series of volcanic rocks composed green to dark colored basic volcanics,somewhat serpentinized and chloritized.The upper part is of sandstone and conglomeratic intercalations with uppe Devonian fossil remains.
作者
向鼎璞
HSIENG TING-PU(Sinkiang Geological Bureau)
出处
《地质学报》
1958年第4期421-448,533-534,共30页
Acta Geologica Sinica
