查询词典 isochron

The results obtained by the authors show that the black shales of Lower Cambrian Niutitang Formation yield a Re-Os isochron age of 537±10Ma.

笔者对华南下寒武统牛蹄塘组黑色页岩开展了 Re－Os 同位素定年研究，获得的等时线年龄为537±10Ma。

Rb-Sr isochron age of fluid inclusion in quartz formed in main mineralization period is 148±10Ma, belong to early Yenshan movement.

主成矿期石英脉中流体包裹体Rb-Sr等时线年龄为148±10Ma，属燕山早期。

Signal intensity and system blank of five argon isotopes obtained indicate that the system blank level adopted by the authors is low enough to get a reasonable isochron age for single mineral grains frown Mesozoic or older samples.

获得的5个氩同位素空白本底水平表明，本系统已经完全具备对中生代或更老的地质样品进行单颗粒全熔法等时线定年的能力。

Tan-Lu fault zone ; sinistral strike-slip ; 40 Ar/39 Ar plateau age ; Rb-Sr isochron age

郯庐断裂带；左行走滑断裂；（40）~Ar/（39）~Ar坪年龄； Rb-Sr等时线年龄

Based on the discrimination of the previous data, thirteen granites plutons are selected to be dated by high precision single grain zircon U-Pb method and one pluton is selected to be dated by Rb-Sr and Sm-Nd internal rock-mineral isochron.

本文在充分了解和掌握前人资料和研究成果的基础上，挑选了13个花岗岩体进行了详细的单颗粒锆石U-Pb定年，一个岩体进行了全岩—矿物Rb-Sr和全岩—矿物Sm-Nd内部等时线定年。

Eclogites north of the fault give similar Sm–Nd isochron ages (131–126 Ma) but otherwise differ in that they are strongly overprinted by a lower pressure assemblage and, along with associated HP/LT rocks, give much younger 40Ar/39Ar ages of 88–55 Ma indicating a later amphibolite facies metamorphic event.

榴辉岩断层以北的始可予以实现位置相似的Sm - Nd同位素年龄（131-126 Ma）的方式不同，但他们强烈较低的压力叠加和组合，以及相关的惠普/审裁处的岩石，让更年轻的40Ar/39Ar年龄在88-55马说明后来角闪岩相变质事件。

Combinds with several calculating ways of forming ages of rocks (Pb-Pb isochron way, inconsistent line model calculating way and three-stage model calculating way), a way to calculate element content of samples and forming ages of rocks was summarized.

本文主要是研究该法的计算，分析样品中元素量的计算，并结合几种岩石年龄方法（Pb-Pb等时线法、不一致线模式计算法、三阶段模式计算等）的计算，归纳总结出计算样品中元素量和岩石形成年龄的方法。

The Rb-Sr isochron age of the fluid inclusion in Au-bearing quartz veins of the Wulong gold deposit at the main.

五龙金矿主成矿阶段石英流体包裹体Rb-Sr等时线年龄为120±3Ma。

The Baoyintu group may be divided into five lithologic members based on the chemical composition and the formation sequence, and the age of the formation is 2485±128Ma by Sm-Nd isochron dating in plagioclase amphibolite in the oldest lithologic member.

在野外地质填图的基础上，将宝音图群按照内部的物质成分差异和地层形成年代先后顺序，将宝音图群划分为五个段，其中最早形成的第一岩性段中斜长角闪岩中Sm-Nd全岩等时线年龄为2485±128Ma，可代表宝音图群的形成年龄。

A forof single zircon U-Pb dating and whole rock isochron of Sm-Nd dating suggested that thePalooproterosoic rock in Chthaysia Bfork is formed in the time span from 2 400 Ma to 2000 Ma,Mesoproterocoic frOIn 1 400 Ma to 1000 Ma and the latest formdfrom 740 Ma to 430 Ma.

该区变质基底的时代划分、区域对比、基底结构和性质一直存在较大的分歧和争论，最早Grabau（1924）认为中国东南沿海存在太古代的基底，提出华夏古陆的概念匕］。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。