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- The tectonic setting and sedimentary environment of Baidingshan Formation of upper Ordovician are discussed by analysis of sedimentary, petrologic and petrochemical features. 通过对该组的沉积学、岩石学及地球化学等方面的研究,讨论了其沉积环境及沉积构造背景。
- The data and graphs from petrochemistry and geochemistry approve that the tectonic setting is continental margin arc. 岩石化学及地球化学的各种参数和图解表明,其形成于陆缘岛弧环境。
- The discriminant figures of tectonic setting show that the mafic rocks was formed in seamount setting. 通过地球化学图件判别,认为该基性杂岩形成于洋中脊的构造环境。
- The deposit is located in the middle of the Altyn mineralization belt with very complicated tectonic setting. 该矿床位于阿尔金成矿带中段,所处大地构造环境非常复杂。
- Search is possible by bibliography, tectonic setting, geography, chemistry, petrography, and precompiled files. 可以从参考书目、地质构造、地理学、化学、岩相学或事先编辑好的档案进行检索。
- A sedimentary model is thus suggested for the upper member of the Hesan Formation on the basis of source area and its tectonic settings,in combination with well logs and geological data as well as the distribution of the seismic facies. 在明确研究区物源方向、物源区及其大地构造性质的基础上,综合利用研究区目的层段的钻井、测井及地质资料,根据其地震相平面展布特征,将地震相转换为沉积相,并由此归纳出研究区核三组上段的沉积模式。
- tectonic setting of Neoproterozoic sedimentary hasin 新元古代沉积盆地构造
- On this basis and in combination with the regional tectonic setting, the tectonic evolution history of the basin has been discussed. 在此基础上,结合区域构造背景,探讨了盆地构造演化史。
- From the view of characteristics of the thrust as well as regional tectonic setting, its main genesis should be the Indo-Chinese Epoch gliding napping. 从该断层的特征结合区域构造背景来分析 ,印支期的滑覆运动应是其主要成因。
- Gold was enrichedin the tectonic setting of orogenic belts reduplicated by Caledonian andlater tectonomagmatic activities for long and many times. 金的富集是处于造山带构造环境,经历加里东及其以后构造-岩浆作用多次叠加的长期演化过程。
- Sr-Nd-Pb isotope geochemistry and tectonic setting of Devonian polymetallic metallogenic belt on the Southern margin of Altaid,Xingjing. 新疆阿尔泰南缘泥盆纪多金属成矿带Sr-Nd-Pb同位素地球化学与构造背景探讨
- The migmatite formations are devided into the geosyncline type migmatite formation and the Diwa type migmatite formation from the tectonic setting. 混合岩建造按其形成的不同大地构造环境,可划分为2个大地构造类型:地洼型混合岩建造和地台型混合岩建造。
- The development of reefs was controlled by the tectonic setting,sea-level movement,paleogeographic environment and evolution of reef-forming organisms. 生物礁的发育受构造作用、海平面变化及古地理环境控制,同时也受造礁生物兴衰演化的控制。
- This is apparently related to the tectonic setting of Shandong,namely, the continental margin where the Pacific Plate collided against the Eurasian Plate. 之所以如此,显然与山东所处的大地构造位置,即太平洋板块与欧亚板块相互碰撞的陆缘地带密切相关。
- Lu Xinxiang,Yu Zaiping,Feng Youli,et al.Mineralization and Tectonic setting of deep-hypabyssal granires in east Qinling mountain[J].Mineral Deposits,202,21(2). 卢欣祥;于在平;冯有利;等.;东秦岭深源浅成型花岗岩的成矿作用及地质构造背景[J]
- The Ordos basin and its adjacent areas were in an extensional tectonic setting in the Mesoproterozoic when the ultra-thick marine Jixian system was deposited in the study area. 摘要鄂尔多斯盆地及邻区中元古代整体处于地壳伸展的构造背景,沉积了巨厚的中元古界蓟县系海相地层。
- Much attention has long been drawn to the Rola Kangri Group Complex in northern Xizang for its tectonic setting in the southern part of the Lazhuglung-Jinshajiang suture zone. 摘要藏北的若拉岗日岩群,因处于拉竹龙-金沙江缝合带南缘,其成生背景及构造属性历来倍受关注。
- Chen Yanjing, 1998.The genetic type and tectonic setting of ore associated Mesozoic porphyries in the eastern Qinling mountains.Chinese Science Bulletin, 43(supp.): 25. 陈衍景;常西临;1998;西天山东段的地质研究和找矿工作取得重要突破;地质论评;44(3):288.
- This paper outlines its tectonic setting,geological features and ore prospecting perspecfive for the other porphy groups in the Qinghe-Chenghai metall... 本文就其构造背景、地质特征及找矿前景作简要论述,并对菁河-程海成矿带的其它斑岩群的找矿前景予以预测。
- The article emphatically expounds tectonic setting, ore formation, minerogenetic series for the use of mapping of minerogenetic map of nonmetallic ore deposits. 着重介绍构成非金属矿床成矿地质图的构造环境、含矿建造、成矿系列的基本概念,并指出构造环境是主体,控制着含矿建造和成矿系列的形成和分布。