答《谈康滇地轴部分年代研究资料的可靠性》一文

被引:5
作者
袁海华
机构
关键词
康滇地轴; 同位素地质年龄; Pb Pb等时线;
D O I
暂无
中图分类号
学科分类号
摘要
本文答复了王振民一文三个问题:(1)王所否定的康滇地轴部分等时线年龄数据,用约克双误差及最小二乘法回归拟合,所得结果在允许误差范围内完全一致;(2)论证了采用二次等时线验证Pb Pb全岩等时年龄的方法是合理的;(3)原冕宁沙坝混合片麻岩锆石一致曲线年龄的计算是正确的。
引用
收藏
页码:108 / 114
页数:7
相关论文
共 5 条
  • [1] R E Zartman et al.1973, Lead isotope systematies and urathinium depletion in the Granite Mountains, Wyoming, Geol. Soc. Rosholt,J. N. Amer. Bull .
  • [2] 1971, A U Th Pb lead isotope study of rocks and ores from Broken Hill Australia Earth Planet Sci. Reynolds P H. Lett .
  • [3] 1963, Lead isotope studies on igneous rocks from the Isle of Skye, northwestern Scotland. Moorbath,S et al. Earth and Planetary Science .
  • [4] 1969, The significance of lead isotope studies in ancient, high grade metamorphic basement complexes, as exemplified by the Lewisian rocks of northwest Scotland Earth Planet.Sci. Moorbath S et al. Lett .
  • [5] 1986, Lead lead age of Komatiitic lavas and limitations on the structure and evolution of the Precambrian mantle.Earh Planet. Sci. Brevart,al et. Lett .