isotopic age dating的意思|示意

This study provides a high-precision Re-Os isotopic dating for ten molybdenite separated from the different ore types with an isochron age of (168.

文章首次对采自矿床不同类型矿石中的辉钼矿进行了铼-锇同位素定年，获得等时线年龄为（168。

Evidence from isotopic dating suggests that the greenstone belts vary considerably in age.

来自同位素年龄鉴定的证据指出，绿岩带在年龄上彼此变化相当大。

Several methods have been used for the isotopic dating of the Qulong, Tingong and Chongjing porphyry copper deposits, which gives out a diagenetic age of 17.

本文通过多种方法对冈底斯成矿带中驱龙、厅宫、冲江等斑岩铜矿进行了同位素定年研究，确定出冈底斯斑岩铜矿成岩年龄为1 7。