Archean
英[ɑːˈkiːən]
美[ɑːrˈkiːən]
双语例句
- 1. The gold content of the Archean Taihua Group greenstone belt is lower than Clarke value.
- 太古宙太华群绿岩带金的丰度低于克拉克值。
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- 2. Felsic gneiss is the most widely distributed rock type in Archean metamorphic complex areas.
- 长英质片麻岩是太古宙变质杂岩区最主要的岩石类型。
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- 3. Such low levels of sulfate indicate that the archean atmosphere was virtually devoid of oxygen.
- 如此低的硫酸盐浓度,表示太古代大气中的氧气极为稀薄。
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- 4. So far, many kinds of pattern for this type of deposit have been established except those in Archean terrain.
- 对该类型矿床的研究己经建立了多种形成模式,唯独高级变质组合地体中该类矿床的形成模式尚无成型的报导。
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- 5. The nickel mineralization is contained in a layered basic massif surrounded and underlain by an archean gneiss complex.
- 此处镍矿化产于一层状基性岩块内,其四周和下面都为太古代片麻岩杂岩围绕。
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- 6. The nickel mineralization is contained in a layered basic mass if surrounded and underlain by an archean gneiss complex.
- 此处镍矿化产于一层状基性岩块内,其四周和下面都为太古代片麻岩杂岩围绕。
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- 7. South Longwangmiao gold deposit in Liaoning Province occurred in the meta-felsic rock unit in Liaobei Archean greenstone belt.
- 辽宁省清原县的南龙王庙金矿,赋存于太古宙绿岩带的变粒岩岩段中。
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- 8. The supracrustal sequences in the dabie complex in northeastern hubei belongs to a late archean stratified metamorphic sequences.
- 鄂东北大别杂岩中的表壳岩系属于晚太古代层状变质岩系。
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- 9. The region between northern Liaoning Province and southern Jilin Province is one of the typical Archean granite-greenstone belts.
- 辽北-吉南地区是我国典型太古宙花岗岩-绿岩带出露区之一。
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- 10. The Houshiding Archean repeated fold within the Fuping domal composite fold group is located in the "hook" of a "hook-like" fold.
- 猴石顶太古界重褶皱位于阜平太古宙穹状复合褶皱群中一个钩状褶皱的“钩子”部位。
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- 11. Clearly, it is different from Archean greenstone belt, for example, the Dengfeng greenstone belt located adjacent to it on the north.
- 这显然与北部拉张条件下形成登封绿岩带的环境不同。也有别于显生宙之后发生附冲作用的环境。
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- 12. The history of Earth is divided into four eons —starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.
- 地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。
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- 13. The history of Earth is divided into four eons - starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.
- 地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。
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- 14. Their basement is composed of Archean to early Proterozoic gneisses and crystalline schists metamorphosed at granulite and amphibolite facies.
- 它们的基底由太古代至元古代早期的粒相和闪石相变质的片麻岩和结晶片岩组成。
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- 15. The characteristics of the gold mineral are similar to those deposits in the metamorphic rocks of Archean greenstone belt in the eastern China.
- 上述特点与我国东部地区产于太古宙变质岩(绿岩带)中的金矿床具有可对比性,也与矿床成因研究的认识相吻合。
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- 16. An obvious mass-independent sulfur isotope fractionation was first observed in Archean stratiform sulfides from Xintai area, Shandong Province.
- 笔者首次在山东新泰地区新太古代层状硫化物中观测到了明显的硫同位素非质量分馏效应。
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- 17. The Fujian continental crust originated in Archean era possesses a characteristic of multi-phase and multi-stage activity during its evolution.
- 晚太古宙和早元古宙是陆壳形成的主要时期,并已具现今板块活动特征。
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- 18. Conglomerate of the Middle Proterozoic Tietonggou Formation is in unconformity relation with the plagioclase schist of the Archean Taihua Group.
- 中元古界铁铜沟组砾岩,砾石形态多样,与下面的太古界太华群斜长片岩呈角度不整合接触。
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- 19. The Jinbeizhuang Archean metamorphic iron ore deposit is situated in where the north side of Yanshan settle-zone crosses Inner Mongolia Eath's Axis.
- 近北庄太古代变质铁矿床位于燕山沉降带北侧与内蒙地轴的交接部位。
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- 20. The new data support that idea the Archean geologic body in the Central orogenic belt of the North China craton has affinity with its eastern block.
- 新的资料支持了华北克拉通中部造山带太古宙地质体与其东部陆块存在亲缘关系的认识。
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- 21. The Qingyi ductile shear zone (QDSZ) developed in Late Archean is a large-size ductile shear zone in granite of the western Shandong Precambrian basement.
- 青邑韧性剪切带是晚太古代末期发育在鲁西前寒武纪基底花岗岩中一条规模较大的韧性剪切带。
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- 22. The Archean green belts are extensively distributed in the middle north margin of north China Block. And Mesozoic granite also well developed in the area.
- 华北陆块北缘中段广泛分布太古宙绿岩带,同时也是我国中生代岩浆活动最发育的地区。
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- 23. Gold mineralization in the study area is hosted in continental volcanic rocks of Middle Proterozoic, Xionger Group overlying the Archean crystalline basement.
- 本区金矿化产于太古界结晶基底之上的中元古界熊耳群陆相火山岩中。
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- 24. According to the metamorphic rock assemblages and their characteristics, Whole Archean metamorphic rocks can be subdivided into Jianping Complex and Dayingzi Croup.
- 按岩石组合和特征,整个变质岩系被划分为建平变质杂岩和大营子群。
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- 25. The complex was traditionally considered as the Archean basement of the Yangtze Block, but recent isotopic dating results indicate that it was not formed in Archean.
- 康定杂岩以往被认为是扬子地块太古宇的基底,但近年来的同位素年龄测定结果表明其并不是形成于太古宙。
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- 26. Discordances existed between Fangniushan quartzite series and underlying Archean Eon metamorphic granite series, and overlying the Mesoproterozoic Era Xionger Group.
- 顶、底界线清晰,与下伏太古宙变质花岗岩系及上覆中元古界熊耳群均呈角度不整合接触。
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- 27. Studies on stable isotopes in gold deposits in Nankouqian area show that the geneses of the gold deposits are closely related to the Archean granite-greenstone belt.
- 南口前一带金矿床的稳定同位素研究表明,金矿成矿与太古宙花岗岩—绿岩带,南口前花岗岩体关系密切。
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- 28. Fayalite-bearing quartz syenite could represent the early fractional stage initial granitic magma derived from archean protolith in a deeper and reductive environment.
- 含铁橄榄石石英正长岩,代表了岩浆分离结晶初期还原条件下,太古代母岩派生的初始岩浆组成。
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- 29. Fayalite-bearing quartz syenite could represent the early fractional stage initial granitic magma derived from archean protolith in a deeper and reductive environment.
- 含铁橄榄石石英正长岩,代表了岩浆分离结晶初期还原条件下,太古代母岩派生的初始岩浆组成。
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