李生福,师永民,石勇,石金华
LI Sheng-fu,SHI Yong-min,SHI Yong,SHI Jin-hua
摘要:
在综合分析近年来柴达木盆地及邻区深部地球物理资料(如重力、航磁和地震反射剖面等),以及盆地构造格局和样式等相关地质成果的基础上,认为:柴达木盆地一级构造为新生代宽缓复向斜,且复向斜与盆地基底和岩石圈结构呈镜像特征;复向斜的形成与上地壳挠曲、下地壳流动以及刚性地幔顶部挠曲上隆为耦合关系,揭示出盆地新生代构造演化过程的直接动力源于深部岩石圈地幔物质的上涌;柴达木盆地整体为“上地壳挠曲,下地壳流动”型复向斜盆地。
中图分类号:
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