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- Archaeozoic granite reservoir has good reservoir conditions. 太古界花岗岩储层具有较好的储集条件;
- Shagou deposit mainly lies in the metamorphic rock of Taihua Group,Archaeozoic erathem. 本矿床主要的赋矿地层为新太古界太华群高级变质岩。
- Xianjin chang gold deposit occuring in Archaeozoic charnohite and tonalite is near Zhuang xianghu quartz-diorite stock, which is Mesozoic in age. 线金厂金矿床赋存于太古宙紫苏花岗岩、英云闪长岩中,矿床与中生代转湘湖石英闪长岩空间关系密切。
- The early Proterozoic atmosphere and hydrosphere are similar to those of Archaeozoic in being still absent in oxygen. 早元古代的大气圈、水圈与晚太古代相似,仍为缺氧性质。
- Buried hills of Archaeozoic,Paleozoic and Mesozoic Eras developed well in the west part of Dongying Depression. 东营凹陷西部发育太古界、古生界及中生界潜山。
- This has been proved by formation test and production, so that these are feasible methods to study the characteristics of Archaeozoic metamorphic reservoir. 其解释成果已被试油和生产实际所证实,说明利用该方法研究太古界变质岩储层特征的方法可行。
- During the late Archaeozoic, there was bimodal volcanism,alkalic magma eruption and intrusion, showing the tension-riftedcharacteristics of the valleys. 在晚太古代有“双峰态”火山活动、碱性岩浆喷发和侵入,反映了裂谷拉张特征。
- The characteristics of Archaeozoic melamorphic reservoirs in Niuxintuo area have been studied through data of coring, 3700 logging and 3D seismic prestack depth migration. 综合运用钻井取心、3700测井、三维地震叠前深度偏移等资料,对牛心坨地区太古界变质岩储层特征进行了研究。
- Qijia oil field in Liaohe region is the first discovered in an Archaeozoic mixed granite buried hill reservoir with high oil yield. 齐家古潜山油藏是辽河地区最早从太古界混合花岗岩中取得高产工业油流的古潜山油藏之一。
- The Archaeozoic Era(>2 500 Ma) is the stage that the continental nucleus occurrs or the proto-continental segment forms. 太古宙(>2 500 Ma)是出现陆核或形成初始陆块的阶段。
- The gold was mainly taken from the Archaeozoic submarine volcanic eruption products and partly from terrigenous weathered alluvial deposits. 金主要来自太古代海底火山的喷发产物,部分来自陆源风化冲积物。
- Pb isotopic data indicate that ore-forming material came from upper mantle or lower crust and went into Archaeozoic crystalline basement 1900Ma ago. 铅同位素表明成矿物质来自上地幔或下地壳,大约在1900Ma从源区分离出来进入太古宙结晶基底。
- The Liuhe area belongs to the Archaeozoic high -g rade metamorphic belt,the outcropping rocks are mainly gray gneisses,supracrusta l rocks are rarely. 溜河地区属太古宙高级变质区,出露岩石以灰色片麻岩为主,表壳岩稀少。
- The Proterozoic climate was still warm and wet, but compared with that of the Archaeozoic Eon, the temperature fell a little. 元古宙的气候仍是温暖而潮湿的,但较太古宙温度有所降低。
- The Zhaobinggou iron/phosphate deposit in Fengning Hebei province hosts in greenstong belt of Archaeozoic era, is a unigue huge deposit with low grade. 河北丰宁招兵沟铁磷矿床为赋存于太古宇绿岩带内低品位特大型矿床。
- The lithology of Archaeozoic metamorphic buried hill mainly includes migmalite, biotite pla-giogneiss, with structural fracture as major reservoir space. 其结果:该区太古界变质岩古潜山的岩性主要为浅粒岩、浅粒质混合岩、黑云母斜长片麻岩等;
- In the end,the relation between the metallogenesis and the evolution of Archaeozoic and Early Proterozoic earth crust is discussed basing upon the theory of rift. 最后采用裂谷理论讨论了成矿作用与太古代和早元古代地壳演化的关系。
- According to the relation of contact in the field and Pb Pb evaporation age of a set of zircon(2451 Ma), its diagenetic age can been ascertained the Archaeozoic Era. 根据野外接触关系和一组锆石Pb-Pb蒸发年龄(2451Ma),确定其成岩时代为太古代。
- A Archaeozoic granulite with an isotope age(Sm-Nd isochoron) of 3450 Ma,was found firstly in Proterozoic Dakendaban Group in eastern north margin of Qaidam Basin. 在柴达木盆地北缘东段,首次从古元古代达肯大坂岩群中发现太古宙麻粒岩,并取得3450Ma Sm-Nd等时线同位素年龄。
- Study results show that regional gravity and magnetic fields inShanxi Province are characterized by NE and NNE--trending and the Middele Archaeozoic isthe main magnetic source bed. 研究结果表明,山西省的区域重、磁场以北东、北北东向为特点,中太古界为主要磁源层。