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- single zircon U - Pb ages 颗粒锆石U-Pb年龄
- ZIRCON U Pb AGE OF META BASIC LAVA FROM THE KUANPING ROCK GROUP,SHAANXI PROVICE 陕西宽坪岩群变基性熔岩锆石U-Pb年龄
- It intruded in Upper Ordovician Shifeng Formation and is dated as 333 86Ma of U Pb concordant age of zircon, which belongs to middle stage of Variscan. 岩体侵入上奥陶统石缝组（O3s） ， 岩体的锆石U?Pb 一致线年龄333－86 Ma， 属华力西中期。
- Minerals or altered minerals such as sericite, biotite and K feldspar in the altered wallrocks are selected to be objects of age determination, and the Ar Ar, K Ar, Rb Sr, U Pb isochron dating methods are adopted. 选用矿石或蚀变围岩中的绢云母、黑云母、钾长石等蚀变矿物作为测年对象 ,采用 Ar- Ar、 K- Ar法或 Rb- Sr等时线法测年在目前的技术条件下是经济可行的 ,关键是要保证被测矿物确为蚀变矿物并且纯度较高。 用 U- Pb法测定矿脉中的水热锆石来确定成矿年龄 ,但如何区分继承锆石和水热锆石尚不成熟。
- U - Pb dating of zircon 锆石U-Pb定年
- zircon SHRIMP U - Pb dating 锆石SHRIMP
- Lu Songnian and Li Huimin.A precise U-Pb single zircon age determination for the volcanics of Dahongyu Formation, Changcheng System in Jixian.Bull.Chinese Acad.Geol.Sci., 1991, 22: 137-146. [9]陆松年; 李惠民.;蓟县长城系大红峪组火山岩的单颗粒锆石U-Pb法准确定年
- DIRECT DETERMINATION OF ~(207) Pb/~(206)Pb APPARENT AGE BY SINGLE ZIRCON EVAPORATION 直接蒸发单颗粒锆石测定~(207)Pb/~(206)Pb年龄的方法
- The U-Pb Isotopic Dating Age of Single Zircon from Biotite Plagioclase Gneiss in the Qinggele Area, Alashan, Western Inner Mongolia 内蒙古阿拉善庆格勒图黑云斜长片麻岩的单颗粒锆石U-Pb法年龄
- zircon U - Pb age 锆石U-Pb年龄
- zircon U - Pb geochronology 锆石U-Pb年代学
- SHRIMP zircon U -Pb dating SHRIMP锆石U-Ph定年
- U - Pb dating U-Pb年龄
- LA - ICP - MS U - Pb dating LA-ICP-MSU-Pb定年
- The letter was written on a single sheet of paper. 这封信只用一张纸写成。
- One single, second class, to winchester, please. 买一张去温撤斯特单程二等票。
- He got over the stream with a single leap. 他一跃就跳过了小溪。
- ~(14)C, ~(137)Cs and ~(210)Pb dating and accelerated tendency of the present sedimentation rate along the Laolangtuozi coast of the Bohai Bay 渤海湾老狼坨子海岸带~(14)C、~(137)Cs、~(210)Pb测年与现代沉积速率的加速趋势
- The bridge crosses the river in a single span. 河上那座桥是单跨桥。
- Do you want a single or a return ticket? 你要单程票还是往返票?
