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- Archaeozoic granite reservoir has good reservoir conditions. 太古界花崗巖儲層具有較好的儲集條件;
- Shagou deposit mainly lies in the metamorphic rock of Taihua Group,Archaeozoic erathem. 本礦床主要的賦礦地層為新太古界太華群高級變質(zhì)巖。
- Xianjin chang gold deposit occuring in Archaeozoic charnohite and tonalite is near Zhuang xianghu quartz-diorite stock, which is Mesozoic in age. 線(xiàn)金廠(chǎng)金礦床賦存于太古宙紫蘇花崗巖、英云閃長(cháng)巖中,礦床與中生代轉湘湖石英閃長(cháng)巖空間關(guān)系密切。
- The early Proterozoic atmosphere and hydrosphere are similar to those of Archaeozoic in being still absent in oxygen. 早元古代的大氣圈、水圈與晚太古代相似,仍為缺氧性質(zhì)。
- Buried hills of Archaeozoic,Paleozoic and Mesozoic Eras developed well in the west part of Dongying Depression. 東營(yíng)凹陷西部發(fā)育太古界、古生界及中生界潛山。
- This has been proved by formation test and production, so that these are feasible methods to study the characteristics of Archaeozoic metamorphic reservoir. 其解釋成果已被試油和生產(chǎn)實(shí)際所證實(shí),說(shuō)明利用該方法研究太古界變質(zhì)巖儲層特征的方法可行。
- 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“雙峰態(tài)”火山活動(dòng)、堿性巖漿噴發(fā)和侵入,反映了裂谷拉張特征。
- The characteristics of Archaeozoic melamorphic reservoirs in Niuxintuo area have been studied through data of coring, 3700 logging and 3D seismic prestack depth migration. 綜合運用鉆井取心、3700測井、三維地震疊前深度偏移等資料,對牛心坨地區太古界變質(zhì)巖儲層特征進(jìn)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. 齊家古潛山油藏是遼河地區最早從太古界混合花崗巖中取得高產(chǎn)工業(yè)油流的古潛山油藏之一。
- 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)是出現陸核或形成初始陸塊的階段。
- The gold was mainly taken from the Archaeozoic submarine volcanic eruption products and partly from terrigenous weathered alluvial deposits. 金主要來(lái)自太古代海底火山的噴發(fā)產(chǎn)物,部分來(lái)自陸源風(fēng)化沖積物。
- Pb isotopic data indicate that ore-forming material came from upper mantle or lower crust and went into Archaeozoic crystalline basement 1900Ma ago. 鉛同位素表明成礦物質(zhì)來(lái)自上地?;蛳碌貧?大約在1900Ma從源區分離出來(lái)進(jìn)入太古宙結晶基底。
- The Liuhe area belongs to the Archaeozoic high -g rade metamorphic belt,the outcropping rocks are mainly gray gneisses,supracrusta l rocks are rarely. 溜河地區屬太古宙高級變質(zhì)區,出露巖石以灰色片麻巖為主,表殼巖稀少。
- The Proterozoic climate was still warm and wet, but compared with that of the Archaeozoic Eon, the temperature fell a little. 元古宙的氣候仍是溫暖而潮濕的,但較太古宙溫度有所降低。
- The Zhaobinggou iron/phosphate deposit in Fengning Hebei province hosts in greenstong belt of Archaeozoic era, is a unigue huge deposit with low grade. 河北豐寧招兵溝鐵磷礦床為賦存于太古宇綠巖帶內低品位特大型礦床。
- The lithology of Archaeozoic metamorphic buried hill mainly includes migmalite, biotite pla-giogneiss, with structural fracture as major reservoir space. 其結果:該區太古界變質(zhì)巖古潛山的巖性主要為淺粒巖、淺粒質(zhì)混合巖、黑云母斜長(cháng)片麻巖等;
- 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. 最后采用裂谷理論討論了成礦作用與太古代和早元古代地殼演化的關(guān)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. 根據野外接觸關(guān)系和一組鋯石Pb-Pb蒸發(fā)年齡(2451Ma),確定其成巖時(shí)代為太古代。
- 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. 在柴達木盆地北緣東段,首次從古元古代達肯大坂巖群中發(fā)現太古宙麻粒巖,并取得3450Ma Sm-Nd等時(shí)線(xiàn)同位素年齡。
- 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. 研究結果表明,山西省的區域重、磁場(chǎng)以北東、北北東向為特點(diǎn),中太古界為主要磁源層。