1) U Pb isotopic age
铀-铅同位素年龄
2) uranium isotope age
铀同位素年龄
3) Pb-Pb age
铅同位素年龄
4) Uranium-Lead isotopic age
铀-铅年龄
5) uranium lead age
铀铅年龄
6) isotope age
同位素年龄
1.
A series of the lava and the red strata up them in the west part of northern Dabie orogen were divided into Chenpeng Formation and Zhou Jiawang Formation,which belong to the early and late Cretaceous period,according to the conchostracans,the isotope age and the fossils of abundant dinosaur eggs and a few ostracodas.
大别造山带北缘西部的一套火山岩及其上的“红层”,依据叶肢介、同位素年龄值和较丰富的恐龙蛋和少量介形虫化石,从下而上划分为陈棚组、周家湾组,时代归属早、晚白垩世。
2.
Isotope age determination results show that the age of formation is 138 Ma for the 3-d member of the Zhangjiakou group volcanic rocks and is 133 Ma for the Huajiying group rocks.
根据同位素年龄测定,冀北地区张家口组三段酸性火山岩的形成年龄为138Ma,属于上侏罗统顶部；花吉营组中基性岩石的形成年龄为133Ma,应划归下白垩统底部为宜。
补充资料：铀铅
分子式：
CAS号：
性质：质量数为206的铅，用206pb表示，它是铀系母体同位素238U衰变产生的最终稳定子体。
CAS号：
性质：质量数为206的铅，用206pb表示，它是铀系母体同位素238U衰变产生的最终稳定子体。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条