| 关于丽江盆地蛇山组的时代问题 |
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| 引用本文： | 宗冠福.关于丽江盆地蛇山组的时代问题[J].地层学杂志,1989,13(1):68-70. |
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| 作者姓名： | 宗冠福 |
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| 摘 要： | <正> 云南省丽江盆地中的蛇山台地地层的地质时代,是赵国光(1965)提出来的,将构成丽江盆地南面的蛇山台地的粉砂、细砂、粗砂层,其中夹少量白色粘土和黑色炭质粉砂层称之为蛇山组,以蛇山台地两侧粗砂层中采得的中国犀(Rhinoceros sinensis Owen,1870)三枚臼齿和一些鹿牛类的破碎牙片化石为依据,确定其时代不早于早更新世,在地
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| 关 键 词： | 蛇山组 地层 地质时代 化石 古动物 |
Age of the Sheshan Formation in the Lijiang basin |
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| Abstract: | Li Ding-rong and al. (1987) considered the Sheshan Formation to be of Early Pleistocene age. According to the sections of the Late Pleistocene Sheshan and Mujianqiao Formations in the same basin, the fossil mammals contained in these two formations and the radiocarbon age (the Sheshan Formation: 26,970±400 yr; the Mujianqiao Formation: 25,080±460 yr) ofthe carbonaceous clay, the Sheshan and Mujianqiao Formations should be of the same age--Late Pleistocene. |
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