常見例句Wangjiawaizi gold deposit occurs in Lower Proterozoic opimetamorphic rock series.王家崴子金礦床賦存于遼南古元古代淺變質(zhì)巖系中.GLOBAL DISTRIBUTION OF THE PROTEROZOIC SPHAEROMORPH ACRITARCH Valeria lophostriata ( JANKAUSKAS )元古代光球疑源類Valerialophostriata ( Jank. )的全球分布(英文 )The Proterozoic and Palaeozoic are two main metallogenic periods in the region.西北地區(qū)以元古宙-古生代金屬成礦為顯著特色.Wangjiawaizi gold deposit occurs in Lower Proterozoic opimetamorphic rock series.王家崴子金礦床賦存于遼南古元古代淺變質(zhì)巖系中.GLOBAL DISTRIBUTION OF THE PROTEROZOIC SPHAEROMORPH ACRITARCH Valeria lophostriata ( JANKAUSKAS )元古代光球疑源類Valerialophostriata ( Jank. )的全球分布(英文 )The Proterozoic and Palaeozoic are two main metallogenic periods in the region.西北地區(qū)以元古宙-古生代金屬成礦為顯著特色.There are Middle Lower Devonian Sanhuokou Group and Middle Upper Proterozoic Bikou Group in the ore district.礦區(qū)出露中下泥盆統(tǒng)三河口群和中上元古界碧口群.ChronologyThe data of chronology explanates that both of them are belong to Proterozoic Era.時代方面的數(shù)據(jù)表明,兩者同屬于古元古代.Before Later Proterozoic era , in this area more than two times of thermodynamic metamorphism took place.在晚元古代以前該地區(qū)至少發(fā)生過兩次熱動力變質(zhì)作用.The middle Proterozoic crystalline schist series in the Panzhihua - Xichang region has undergone progressive regional metamorphism.攀西中元古結(jié)晶片巖系遭受了前進區(qū)域變質(zhì)作用.This type of graphite deposits were formend in the Late Archaean to Early Proterozoic.該類礦床的成礦時代多集中在晚太古代末至早元古代初期,并且具有全球性.The country rock of the orebody are dolomites of Gaoyuzhuang Formation ( Middle Proterozoic era ) .礦床圍巖以中 元古界 高于莊組白云巖為主.Proterozoic is feral planting often is to grow in crows, rarely and insect pests is invaded.原生地野生種往往是成群生長, 很少有病蟲害侵襲.Metamorphic basement of the jiangnan Proterozoic Paleo - island arc mainly consists of low - grade metamorphic volcanic sedimentary rocks.江南元古宙古島弧的基底變質(zhì)巖主要由淺變質(zhì)的島弧火山—沉積巖系組成.According to analysis of sedimentary characters and geochemistry characters of Luanchuan Group of New Proterozoic Era.通過對新元古代欒川群地層沉積特征及地球化學特征分析,欒川群形成于被動大陸邊緣構(gòu)造環(huán)境.Wengquangou boron - iron deposit occurred within the rocks of Lieryu Formation in Liaohe Group, early Proterozoic.翁泉溝硼鐵礦床賦存于早元古宙遼河群里爾峪組.The Middle Proterozoic granitoids was an intraplate type produced in transitional crystalline basement before plate collision.中元古界的花崗巖類是板塊碰撞前過渡性結(jié)晶基底上局部熔融花崗巖類. 返回 proterozoic