江汉盆地周缘中、新生代构造隆升裂变径迹记录
Oil & Gas Geology(2009)
Abstract
裂变径迹的热史模拟能再现样品的温度历史,反映盆地因构造、沉积因素所致的沉降-隆升作用过程。江汉盆地周缘宜昌和通山两地侵入岩样品的磷灰石裂变径热史模拟分析结果表明,中生代以来样品经历了冷却速率不同的4个冷却降温阶段,表明江汉盆地周缘印支期后持续的构造隆升。两个快速冷却降温段分别对应于燕山期和晚喜马拉雅期江汉盆地周缘的两次快速隆升。这种过程与印支期以来江汉盆地的构造环境、构造-沉积作用及构造变形相耦合。
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Key words
Cenozoic and Mesozoic,uplifting,periphery of the Jianghan Basin,fission track,thermal history modeling
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