【摘要】 研究了长江中游北岸武汉市汉口境内深埋地下45—47m,1990年新出土的两种古木。经鉴定:一种为针叶树材的水杉(Metasequoia glyptostroboides Hu et Cheng);另一种系阔叶树材的重阳木(Bischofia polycarpa Airy-Shaw)。地质年代属第四纪晚更新世,距今11280±190年。更多还原

【Abstract】 Two unearthed ancient woods were excavated from 45—47 m underground Wuhan city (Hubei Province) in 1990.One of the woods was identified to be a coniferous wood:and named as Metasequoia glyptostroboides Hu et Cheng,and the other as broadleaf wood: Bischofia polycarpa Airy-Shaw.The geologic age is considered to be in the late Pleistocene of Quaternary about 11280 ±190 years from present.更多还原