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- The magma belongs to the crustmantle mixed type of Archeozoic crystalline basement remelted and recomposed. 其火山岩岩浆属于太古宙结晶基底重熔再造、壳幔混合型。
- The Middle Proterozoic granitoids was an intraplate type producted in transitinal crystalline basement before plate collision. 中元古界的花岗岩类是板块碰撞前过渡性结晶基底上局部熔融花岗岩类。
- Dahongshan Rock Group is the crystalline basement in the SW margin of the Yangzi Landmass. 大红山岩群是扬子陆块西南缘的结晶基底。
- If the sedimentary basin is situated on a crystalline basement, the depth of the basin, the axis and other general trends can be outlined. 如果沉积盆地是覆于结晶基底之上的,那么这个盆地的深度,轴向以及其它一些大致的趋势均可勾绘出来。
- 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 late Archeozoic and Proterozoic crystalline basement was discovered for the first time in 1994 along Aotulatograk of South Tianshan of Xinjiang. 1994年在新疆南天山地区奥图拉托格拉克一带 ,首次发现了晚太古代、元古宙结晶基底。
- Ordos Basin is a large multicycle superimposed basin, developed on the basement of early Proterozoic crystalline basement. 叠合盆地由于其形成演化、沉积建造的多旋回性,因而油气勘探具有勘探难度大、勘探时间长、勘探潜力大的特点。
- Chen Huifang. 1991.Discovery of the old crystalline basement and komatiite on Hainan island.Geotectonica et Metallogenia,15(1) :62. [1]陈惠芳.;1991
- Chengdao oil field has a crystalline basement of Achaean granire gneiss and a sedimentary basement of Paleozonic carbonate rock or Mesozonic clastic rock. 埕岛油田的结晶基底为太古界花岗片麻岩 ,沉积基底为古生界碳酸盐岩和中生界碎屑岩。
- Kimberlite field of northern Liaoning distributs in the crystalline basement and is founded in the east side of the part streching to the north of Tanlu fracture system. 辽北金伯利岩区分布于太古代结晶基底中,位于郯庐断裂体系北延部分的东侧。
- Gold mineralization in the study area is hosted in continental volcanic rocks of Middle Proterozoic, Xionger Group overlying the Archean crystalline basement. 本区金矿化产于太古界结晶基底之上的中元古界熊耳群陆相火山岩中。
- One of these common beliefs is that “thin-skinned" thrust plates are stratigraphically controlled thrusts with little or no involvement in thrusting of crystalline basement. 其中之一的“薄皮”冲断构造是受地层控制的,极少有或者没有结晶基底物的卷入。
- It shows higher contents of Cu, Pb, Zn and A. The stratabound polymetallic deposits in the Langshan Group were just formed in the taphrogenic trough developing on the crystalline basement composed of this kind of complex. 狼山主峰变质杂岩是该区的结晶基底,中元古代狼山群中的层控多金属矿床,就是在该基底上发育的裂陷槽中形成的。 结晶基底自身的岩石中,Cu、Pb、Zn、Au等元素含量均较高,亦具有一定的找矿前景。
- A sequence of the coarse-grained terrigenous clastic deposits 100 m and more thick are devel- oped on the Archean to Early Proterozoic crystalline basement in Luanxian in eastern Yanshan re- gion. 在燕山地区东部的滦县等地,太古代至早元古代结晶基底之上发育一套百余米厚的陆源粗碎屑沉积。
- In centraI and southern Arabia the first sediments overlying crystalline basement were the Late Precambrian to Earlp Cambrian carbonates,clastic and evaporites,which followed by the latest Early Cambrian through Early Permian sandstones and shales. 阿拉伯半岛中部和南部结晶基底之上最早的稳定沉积是前寒武纪晚期至早寒武世的断陷盆地沉积,以碳酸岩、碎屑岩和蒸发岩为特征。 寒武系至下二叠统地层由陆源碎屑岩及少量碳酸岩组成。
- The Eyre Peninsula,South Australia,makes up the southern part of the Gawler Craton. It contains a major portion of Archean to mid Proterozoic crystalline basement province of the Gawler Craton. 南澳的EYRE半岛位于GAWLER克拉通南部,包含了GAWLER克拉通太古界至中元古界结晶基底的主要部分。
- Moreover, inherited zircon ages (581~2492 Ma) in this pluton provide evidence for the exiting of an early Precambrian crystalline basement and multistage evolution of crust in this region. 此外,获得多组继承/捕虏锆石年龄值(581~2492Ma),为本区存在早前寒武纪变质结晶基底及华南陆壳具多阶段生长演化特征提供了佐证。
- The P 1 x - s Formation of Permian in the northern Hangjinqi area was characterized by major litharenite of braided river and meandering river facies,and overlain on the metamorphic crystalline basement of Archean. 鄂尔多斯盆地北部伊盟隆起杭锦旗地区二叠系 P1 x - s直接覆盖在太古界变质结晶基底之上 ,为一套辫状河沉积和曲流河沉积砂岩。 砂岩以岩屑砂岩为主。
- It comprises blocks of crystalline basement (Archean to Lower Proterozoic) with folded metamorphic basement (Middle to Upper Proterozoic), Palaeozic volcano sedimentary rocks, and a Mesozoic to Cenozoic cover. 该区主要由古生界的沉积-火山岩系组成,局部含太古界至下元古界的结晶基底,覆中新生界盖层。
- Because of different softness and hardness in crystalline basement of different structural units,the difference reflected on Bouguer gravimetric anomaly map and magnetic anomaly map is significant. 由于各地质构造单元结晶基底软硬程度不同,反映在布格重力异常图和磁力异常图上的差异明显。