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Mesozoic相关的网络例句

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与 Mesozoic 相关的网络例句 [注:此内容来源于网络,仅供参考]

The following conclusions have been drawn:(1) According their field and petrologic characteristics and building upon previous works, Late Mesozoic and Cenozoic mafic dikes form Jiangxi province are complex in rock associations which are compose of lamprophyre and gabbro-diabase and diabase and diabase-porphyrite, are mainly distributed into three north-north-eastern strike belt including Xingzi-Shanggao-Pingxiang and Dexing-Yujiang-Xiangshan-Jian-Shangyou and Caotaobei-Dajishan.

本论文选择了江西省晚中生代以来的基性岩脉为研究对象,运用矿物学、元素和同位素地球化学及K-Ar测年等研究方法,首次较为系统地研究了江西省晚中生代以来的基性岩脉、与地壳拉张有关的基性侵入岩体的地质地球化学特征,并利用对其形成时代、源区性质的研究来探讨中国东南部地壳拉张期次、地幔性质等地球动力学背景中的关键性问题。

The Yanchang Formation of Mesozoic strata in the Ordos Basin is characterized by ultra-low permeability with minute pores and microscopic throats, which results in severe Jamin effect in the lithologically heterogeneous formations.

鄂尔多斯盆地中生界延长组储层是典型的特低渗透砂岩储层,属于细孔微喉型,非均质性强,注水开发中贾敏效应异常强烈。

Recent studies suggest that the Mesozoic granitoids and the contemporary mafic and ultra-mafic rocks from the North China block and Dabie-Sulu orogenic belt have the similar Sr, Nd isotopic characteristics, and many of the granitoids and volcanic rocks exhibit some features of adakites.

近年来的研究证实,华北地台和大别—苏鲁造山带的中生代花岗岩与同时代的镁铁质超镁铁质岩有类似的Sr、Nd同位素特点,许多花岗岩和火山岩还具有类似埃达克岩的地球化学性质。

Geologic evidence ; Mesozoic mantle enrichment ; Early Jurassic mafic ultramafic intrusion ; Meizhou of Guangdong Province

地质学证据;中生代地幔富集作用;早侏罗世基性超基性岩体;广东梅州

Especially, the Early Mesozoic tectonic and magmatic activities and their relationship with gold mineralization are studied with special efforts.

并在此基础上系统地总结了本区金矿的找矿预测标志,进行了靶区优选和储量预测。

By analyzing in detail the structural evolutionary history, from Mesozoic to Cenozoic, of different rift belts in western, northern, central and eastern Africa, the authors think that the Mellit area was on the northwestern shoulder of the South Sudan Rift. The rotation of the Mellit block toward northwest was the outward rotation of the northwestern shoulder of the South Sudan Rift during the rifting phase, and the rotation toward southeast was the inward rotation of the rift shoulder during the post-rift thermal sag episode.

经过详细分析非洲大陆西部、北部、中部和东部中新生代裂谷带的构造演化史后发现:Mellit地块实际上位于南苏丹裂谷带的西北裂谷肩上,该地块自晚白垩世初期至中新世初期,向NW方向倾斜是南苏丹裂谷带于裂谷化阶段造成的裂谷肩块体的向外旋转;该地块自中新世以来向SE方向倾斜是南苏丹裂谷带在后裂谷热沉降阶段造成的裂谷肩块体的向内旋转。

Relationship between Mesozoic granites and mesothermal gold mineralization in Xiaoqinling area has been studied by the typomorphic peculiarities of fluid inclusions and Sr, O and H isotopes of the main types of rocks.

对小秦岭地区与金矿化有关的主要地质体中流体包裹体叠加组合标型特征和有关地质体Sr、H、O同位素组成的标型性研究证明,小秦岭地区中生代中温热液金矿化流体与中生代花岗岩浆分界出的热液之间没有直接联系,成矿流体更可能是一种演化的大气降水。

And therefore the Jinchang gold deposit can be classified as the catalog of mesothermal gold deposits which are related to post-magmatic hydrothermal activity of Mesozoic volcano-subvolcanic magmatism.

矿石中脉石英的Ar-Ar年龄测定结果(119.40~122.53Ma),表明矿化作用发生于燕山中晚期,矿床成因为与中生代火山-次火山活动有关的岩浆期后浅成中温热液矿床。

Three major metallogenetic epoch s in the evolution are late Archean (2 700 ̄2 600 Ma) greenstone, late Palezoic (450 ̄340 Ma) epigenetic and Mesozoic mesothermal—Cenozoic epithermal types gold mineralization epoch, respectively.

本区银矿成矿时代为195~100Ma;成矿物质以深部来源为主,兼有基底和盖层物质加入;成矿热液主要是岩浆水中混入大量天水的混合水

In that five years,both uranium exploration ,regional assessment and prognostication for the Mesozoic-Cenozoic basin in North China and resarch on uranium metallogeny theory and prospecting .

5年来,我国北方中新生代盆地的铀矿勘查、区域预测评价及铀成矿理论和勘查方法研究等都取得了较快的进展和重要的成果。

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