• 翁泉沟硼铁矿床赋存于元古宙辽河里尔峪

    Wengquangou boron-iron deposit occurred within the rocks of Lieryu Formation in Liaohe Group, early Proterozoic.

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  • 古宙气候温暖潮湿的,较太温度有所降低。

    The Proterozoic climate was still warm and wet, but compared with that of the Archaeozoic Eon, the temperature fell a little.

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  • 广泛发育构造辽东元古宙辽吉岩套的重要特征之一。

    One of the important features of the Early Proterozoic Liaojitite Suite in Liao-dong Peninsula is the widespread nappe tectonics, one of which is the Qingchengzi nappe.

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  • 花岗岩是一特殊结构花岗岩类,并且多数元古宙克拉通中。

    Rapakivi granite, a special kind of granite with rapakivi texture, mostly occurs in Proterozoic cratons.

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  • 元古宙形成主要时期,并已具现今板块活动特征

    The Fujian continental crust originated in Archean era possesses a characteristic of multi-phase and multi-stage activity during its evolution.

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  • 辽吉元古宙褶皱前寒武纪时期重要的褶皱造山带成矿带。

    The Liaoji Paleoproterozoic fold zone is an important fold-orogenic and metallogenic zone in the early Precambrian.

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  • 元古宙剪切应力继承作用,产生了裂谷型绿岩平行剪切及其金矿

    Due to inherited effect of the positive shear stress of proterozoic era, the main shear zone which ran parallel to rift greenstone belt and its gold deposits came into being.

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  • 熔岩发现揭示广泛发育于辽东半岛古宙变质基性岩的成因提供证据

    Thediscovery of the pillow lava provides the evidence for the origin of the Early Proterozoicmetamorph

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  • 小盖剖面元古宙火山岩具有安山岩岩石成分,由熔结角砾岩熔岩角砾岩及熔岩组成

    The Proterozoic volcanic rocks in Xiaogaizhou section is composed of rhyakkumulate, la-va breccia and lava with andesitic composition;

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  • 微量稀土素、同位素方面论证了霍田中元古宙大陆边缘裂谷盆地构造环境。

    The studies of microelement, rare earth element and isotope compositions that the Huogeqi polymetallic ore field was formed in rift basin of back arc continental marging during Proterozoic Era.

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  • 类型金矿床与卡林型金矿若干相似之处,具有自己的独特特征,可称之为元古宙沉积岩型金矿床。

    The new type of gold ore deposits is similar to Carlin type gold deposits, but it has also self consistent features.

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  • 结合该区已知地质构造特征综合分析重力负值元古宙拗拉槽边界断裂构造—岩浆岩带的反映。

    Considering the known synthetical studies on the characteristics of geological structures, the negative gravitational belt is considered to be a deep fracture or a tectonicmagmatic belts.

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  • 地球历史分为四个时期——依次经历冥、太显生

    The history of Earth is divided into four eons - starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.

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  • 地球历史分为四个时期——依次经历冥、太显生

    The history of Earth is divided into four eons —starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.

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  • 吉林省前寒武纪地质包括花岗—绿岩、早元古代集安群元古代老

    The early Precambrian in Jilin province includes the Archaeozoic granite-greenstone belt, early Proterozoic Ji'an Group and mid Proterozoic Laoling Group .

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  • 本组为评估元古生命状况环境前显生生物地层提供了重要的生物信息

    This Formation provides important paleobiological information from which to assess status of Mesoproterozoic life, and to evaluate paleoenvironmental conditions and pre_Phanerozoic biostratigraphy.

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  • 年轻钕同位素模式年龄表明该区存在新元古地壳增生。

    The young Nd model ages suggest a significant crustal growth in the period of Neoproterozoic-Phanerozoic.

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  • 吉林省前寒武纪地质包括花岗—绿岩、早元古代集安群元古代老

    The early Precambrian in Jilin province includes the Archaeozoic granite-greenstone belt, early Proterozoic Ji 'an Group and mid Proterozoic Laoling Group.

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  • 顶、底界线清晰,下伏古宙变质花岗岩上覆均呈角度不整合接触。

    Discordances existed between Fangniushan quartzite series and underlying Archean Eon metamorphic granite series, and overlying the Mesoproterozoic Era Xionger Group.

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  • 放牛石英岩系为经绿片岩相变质的陆源碎屑岩。、底界线清晰下伏太古宙变质花岗岩系上覆中元古界熊耳均呈角度不整合接触。

    Fangniushan quartzite series consist of coarse terrigenous clastic rock which has been suffered the metamorphism of low green schist facies, contact lines of its top and base are distinct.

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  • 康山金矿田位于华北南缘花山—龙背斜南翼马超营断裂带,出露地层主要为太古宙太华群元古代熊耳群。

    Kangshan gold field is situated in the southern margin of North China platform and within the Machaoying faulted zone which is located in the southern limb of Huashan Longbo anticline.

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  • 康山金矿田位于华北南缘花山—龙背斜南翼马超营断裂带,出露地层主要为太古宙太华群元古代熊耳群。

    Kangshan gold field is situated in the southern margin of North China platform and within the Machaoying faulted zone which is located in the southern limb of Huashan Longbo anticline.

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