试论柴达木和可可西里盆地古近纪—中新世地层的亲缘性RELATIONSHIP OF THE PALEOCENE-MIOCENE STRATA BETWEEN THE QAIDAM AND KEKEXILI BASINS
蔡雄飞,刘德民,袁晏明,李德威,罗中杰
摘要(Abstract):
将昆北柴达木盆地与昆南可可西里盆地古近纪、中新世地层进行对比,发现二者无论在沉积上、生物上、古气候演化上,还是在构造发展阶段上都具有惊人的一致性。作为阻隔柴达木和可可西里二大盆地屏障的昆仑山至少在渐新统—中新世并未抬升,昆仑山在印支运动中期阶段抬升之后,曾长期处于风化剥蚀状态,在古近纪、中新世不断下降,渐新世—中新世时古昆仑山不复存在。
关键词(KeyWords): 地层;相似性;中新世;古近纪;柴达木盆地;可可西里盆地;青海
基金项目(Foundation): 中国地质调查局国家青藏专项项目:青藏高原新生代地质作用过程与第四纪环境演变综合研究(No.1212010610103)
作者(Author): 蔡雄飞,刘德民,袁晏明,李德威,罗中杰
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