TECTONICS, VOL. 21, NO. 1, 10.1029/2000TC001246, 2002

Article Map

Abstract
1. Introduction
2. Morphology of the Eastern Margin
3. Tectonic Setting of the Longmen Shan Region

3.1. Geology of the Longmen Shan
3.2. Mesozoic Tectonics of the Longmen Shan
3.3. Cenozoic Tectonics of the Longmen Shan

4. Thermal History of the Longmen Shan Region

4.1. ⁴⁰Ar/³⁹Ar Results—Biotite
4.2. ⁴⁰Ar/³⁹Ar Results—K-Feldspar

4.2.1. Plateau margin
4.2.2. Plateau interior
4.2.3. Southern Longmen Shan

4.3. (U-Th)/He Results
4.4. Comparison of Feldspar Thermal Models and (U-Th)/He Data
4.5. Summary: Cooling History of the Longmen Shan Region

5. Rates and Pattern of Denudation
6. Onset of Rapid Denudation
7. Tectonic Implications

7.1. Timing of Uplift in Eastern Tibet
7.2. Landscape Evolution Along the Eastern Margin
7.3. Timing of Normal Faulting in the Longmen Shan
7.4. Processes of Plateau Formation

8. Conclusions
9. Appendix A: Analytical Methods

A1. ⁴⁰Ar/³⁹Ar Techniques
A2. (U-Th)/He Techniques

10. Acknowledgments
References
Figures

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Tables

Table 1. Analytical Data for (U-Th)/He Age Determinations From Apatite and Zircon in the Longmen Shan Region
Table 2. Cooling Rates Inferred From Thermochronologic Analyses in the Longmen Shan Region

Tectonic Setting of the Longmen Shan Region - 2000TC001246

Citation: E. Kirby, P. W. Reiners, M. A. Krol, K. X. Whipple, K. V. Hodges, K. A. Farley, W. Tang, and Z. Chen, Late Cenozoic evolution of the eastern margin of the Tibetan Plateau: Inferences from ⁴⁰Ar/³⁹Ar and (U-Th)/He thermochronology, Tectonics, 21(1), 10.1029/2000TC001246, 2002.