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- Archean metamorphic unit 太古宙变质表壳岩组合
- Tuling and Shihu gold deposit in Lingshou county,Hebei province occurred in metamorphic unit of Archean Fuping group. 河北省灵寿县土岭、石湖金矿赋存于太古代阜平群变质岩系中。
- Felsic gneiss is the most widely distributed rock type in Archean metamorphic complex areas. 长英质片麻岩是太古宙变质杂岩区最主要的岩石类型。
- Archean metamorphic complex in Datong-Jining region is composed of Gehuyao graygneiss suite and Fengzhen Group khondalite suite. 大同-集宁地区太古代变质杂岩由葛胡窑灰色片麻岩系和丰镇群孔兹岩系两部分组成。
- The petrography and lithogeochemical characteristics of the Archean metamorphic plutonic intrusive of the Helong area, Jilin province are discussed in this paper. 本文论述了和龙地区太古宙变质深成侵入体的岩石学、岩石化学、地球化学特征。
- The Archean metamorphic rocks are composed of extrusive rocks and metamorphosed plutonic rocks.The former usually exists as inclusions of various size in the latter. 太古代变质岩系由表壳岩和变质深成岩(岩系)组成,前者往往呈规模不等的包体散布在变质深成岩中。
- Waitou Shan iron deposit is one of the Archean metamorphic iron deposits in Northeast China.Many discussion have been given to it and its struture controling. 歪头山铁矿是较典型的鞍山式沉积变质铁矿之一,其成矿建造及控矿构造曾有过许多论述。
- Archean metamorphic rock of Lamagou formation is the basal source rock of the deposit.Gold in Proterozoic rock of changcheng series was also incorperated in the ore formation. 研究认为拉马沟组变质岩石基底富矿源岩(层),元古界长城系中的金元素亦参与了成矿。
- Archean metamorphic rock, mainly by amphibolite facies of the plagioclase biotite gneiss, amphibolite plagioclase gneiss, biotite change granulite and plagioclase amphibolite, and other components. 太古宙变质岩石,主要由属于角闪岩相的黑云斜长片麻岩、角闪斜长片麻岩、黑云变粒岩和斜长角闪岩等组成。
- Their lead isotopic values are much higher than those of the Archean metamorphic rocks of the Sanggan group in this area, and located between the two lead growth curves of upper mantle and lower crust. 其三组铅同位素比值明显高于本区太古界桑干群变质岩,并位于上地幔和下地壳铅增长线之间。
- The Precambrian metamorphic rocks are developed at the margins of Tarim basin of Xinjiang, among which the Archean metamorphic rocks are distributed in Kuruktag-Xingxingxia area and Altun forelands. 摘要新疆塔里木盆地周边发育前寒武纪变质岩系,其太古宙变质岩系分布在库鲁克塔格-星星峡及阿尔金山前。
- Significant geochemical signatures have been identified in three different lithotypes, which reappear in at least three metamorphic units of the Erzgebirge. 还识别出至少在厄尔士山脉的三个变质单元中再现的三种不同的岩石类型的重要地球化学特征。
- ARCHEAN METAMORPHIC PLUTONIC ROCKS IN YIXIAN COUNTY, LIAONING PROVINCE 辽宁义县地区太古宙变质深成岩
- The luminous intensity on unit area. 单位面积上的发光强度。
- REE GEOCHEMICAL FEATURES OF ARCHEAN METAMORPHIC ROCKS AND METAMORPHIC TERRAINS IN QIANXI, HEBEI PROVINCE 河北迁西地区太古代变质岩稀土元素地球化学特征及变质地体的研究
- THE FEATURE OF IRON-BEARING FORMAT ION OF J INBEIZHUANG ARCHEAN METAMORPHIC IRON ORE DEPOS IT IN NORTHWESTERN HEBE I 冀西北近北庄太古代变质铁矿床含铁建造特征
- THE FEATURES OF LATE ARCHEAN METAMORPHIC COMPLEX IN THE MOUNT LANGSHAN AREA,INNER MONGOLIA 内蒙古狼山地区晚太古代变质杂岩特征探讨
- The family is the smallest social unit. 家庭是社会最小的单位。
- GOLD POTENTIALITY OF ARCHEAN METAMORPHIC ROCKS IN QINGYUAN COUNTY,LIAoNING PROVINCE 辽宁清原太古宙变质岩系的含金性研究
- Geological Characteristics of Late Archean Metamorphic Rocks in the Qiuyuan Area of Pucheng County,Fujian Province 福建浦城丘源地区晚太古代变质岩地质特征