plateau age meaning in English
坪年龄
Examples
- Undertaking isotopic geochronological study on ar - ar , adopted the fast - neutron activation dating technique to test 40ar - 39ar age of quartz from au - bering quartz veinlet ore in the deposit , and well - defined plateau age of 210 . 59 ma ? . 92 ma , the lowest apparent age of 208 . 07 ma ? . 22 ma , and isochron age of 207 . 14 ma ? 1 . 92 ma
通过流体包裹体显微测温学研究,表明金矿床的均一温度成矿早阶段为270 320 ,成矿主阶段为170 250 ,成矿晚阶段为110 250 ,呈逐渐降低的趋势,低温成矿作用明显。