论文部分内容阅读
对发育于玉龙山东麓海拔约 3000m,年代为 500-700 kaBP的古土壤进行了系统研究.结果表明,古土壤经历了典型的红壤化过程,是湿热环境的产物;而当地的现代土壤为寒温条件下形成的弱生草灰化土.这种巨大的差异反映了青藏高原东南部500~700 ka以来有过大幅度的隆升.根据现代红壤发育条件作比较保守的估算,该时期以来此地区隆升的幅度超过 800 m.
A systematic study was carried out on paleosol that developed at the eastern foot of Yulong Mountain at an altitude of about 3000m with an age of 500-700 ka BP. The results show that the ancient soil underwent a typical process of red soil is the product of hot and humid environment; while the local modern soil is poor grass habitat formation of cold grass. This huge difference reflects that there has been a substantial uplift since 500-700 ka in the southeastern Tibetan Plateau. Based on a more conservative estimate of the developmental conditions of modern red soils, the uplift of this region has been over 800 m since that time.