太古宇

  • 网络archean;Archaean;Archean Eonothem
太古宇太古宇
  1. 变质岩SHRIMP锆英石U-Pb年龄十分复杂,除有少量太古宇形成的锆英石外,还存在大量元古宇至显生宇的锆英石,并在2000Ma,1200Ma,800Ma,400Ma,200Ma左右形成峰期。

    The SHRIMP zircon U-Pb ages are very complex ; except for small amount of Archean zircon , there are also significant amounts of Proterozoic to Phanerozoic zircon . The metamorphic peaks occurred at - 1 200 , 800 , 400 and 200 Ma .

  2. 鲁西地区沿寒武系/太古宇不整合面滑脱构造的主要特征及形成机制

    Main characteristics of the decollement structures along the cambrian / archean unconformity surface in western Shandong

  3. 地层主要为中太古宇-下元古宇上壳岩及古侵入体变质岩。

    The formation mainly is shell under rocks and intrusive rocks of the Archean-Proterozoic .

  4. 美国密执安州马奎特县罗彼斯金矿&一个太古宇容矿的脉金矿床

    The Ropes Gold Mine , Marquette County , Michigan , U.S.A. & An Archean Hosted Gold Deposit

  5. 国内外太古宇中金矿床的地质及地球化学特征对比兼成因分析

    Geological and geochemical comparison between Archean gold deposits in China and those from other countries , with discussion on Genesis

  6. 以测井资料、岩心化验及试油资料为基础,研究了辽河坳陷太古宇古潜山基性侵入岩脉对内幕油气成藏的影响。

    The impact of basic intrusive dyke on hydrocarbon accumulation inside the Archaeozoic buried hill in Liaohe Depression is studied on the basis of logging data , core test and oil testing data .

  7. 构造破碎带附近古生界底部和太古宇顶部出现破碎带,表现为高孔隙度、高渗透率带。

    Near the d é collement structure surface , at the bottom of the Cambrian and the top of the Archean , developed an interjacent fractured zone which shows high porosity and high permeability .

  8. 中国陆壳铀、钍、钾元素整体丰度值明显高于太古宇地壳,反映中国陆壳成分演化程度较高。

    These data indicate that the abundances of the radioactive elements U , Th and K in continental crust of China are notably higher than those in the Archean crust , suggesting that the components of continental crust of China are highly evolved .