Meso-Cenozoic uplifting and exhumation on Yunkaidashan: Evidence from fission track thermochronology
作者： Li Xiaoming , Wang Yuejun , Tan Kaixuan , Peng Touping
DOI: 10.1007/BF02897385
关键词: Geology 、 Paleontology 、 Fission track dating 、 Overprinting 、 Track (disk drive) 、 Zircon 、 Cenozoic 、 Thermochronology 、 Denudation 、 Mesozoic
摘要: Yunkaidashan, located at the southern South China block (SCB) and closely adjacent to Indochina block, is an ideal region for better understanding temporal spatial framework of tectonothermal overprinting SCB since Mesozoic. Apatite zircon fission track thermochronology various-type rocks from Yunkaidashan presented in this paper. The results show, no matter what are, apparent ages range 97.4 133.0 Ma, those apatite 43.2 68.4 Ma. length yields average confined ∼13 μm shows normal distribution unimodal frequency. It inferred that uplifting amplitude has been more than 5 km late difference different locations suggests a paleophysiognomic scenario heterogeneous uplift/denudation. These data provide new constraints tectonophysiognomic pattern
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