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成岩作用

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Seismic velocity is important to migration of seismic data, interpretation of lithology and lithofacies as well as prediction of reservoir.

地震波速度对地震资料偏移成像、岩性和岩相解释以及储层预测,均起着非常重要的作用。

The protolith of northern khondalite series in neighbouring region is a suite of flyschoid formation consisting of argillaceous arkose-pelitic feldspathic greywaske with intercalations of pelite, silt as well as carbonate and marl beds. They were deposited on continental margin under relative stable tectonic enviroment.

所有特征表明二者之间不存在有些研究者所认为的不整合接触关系,而是大量奥长花岗质-英云闪长质和一些中基性岩浆顺层侵入到一套沉积和火山-沉积表壳岩中,并一起经受多期复杂的变质和变形作用所成。

Research shows that the basement of Songliao basin is made up by gneiss, phyllite, schist, slates and granite mainly. It has the feature with divided zones between east and west and fault blocks between south and north cortolled by north-east, north-west and east-west faults.

根据露头、钻井、地震和重磁等资料研究表明,松辽盆地基底岩性主要由片麻岩、千枚岩、片岩、板岩及花岗岩组成,受北东向和北西向断裂控制及近东西向断裂的分割作用控制,具有东西成带、南北分块的特点。

Metallogenic conditions are analyzed from the magmatism of REE bearing syenite,hydrothermal activity and fracture activity.

从富含稀土的正长岩岩浆活动、浅成热液作用和断裂构造分析了矿床成矿条件。

Results show that the Spiti shale in Zanskar terminated 15Ma later than that in southern Tibet, while the lowermost Cretaceous quartz sandstone in Zanskar appeared 18Ma later than that in southern Tibet. The age of volcanic sandstone in southern Tibet is very poorly time constraint and their deposition occurred somewhere within Berriasian~early Albian. In Thakkhola, the Chukh Group volcanic sandstone are of late Hauterivian-early Albian age (duration about 20Ma), while in Zanskar, the volcanic sandstones facies only appeared in Albian (duration of less than 10Ma). Therefore, it can be concluded that the onsets of both quartz sandstone and volcanic sandstone occurred earlier in eastern Tethys Himalayas than in western Tethys Himalayas .

侏罗纪末~白垩纪初印度大陆的北缘同时期存在大陆向上挠曲,导致陆源碎屑输入量的快速增加,石英砂岩广泛存在;早白垩世火山岩屑砂岩对应着的印度大陆北缘地层侵蚀加深,使得较深部的深成火山岩暴露并遭受侵蚀;石英砂岩和早白垩世岩屑砂岩所代表的印度大陆剥露时间在空间上的&东早西晚&,说明构造运动首先是从特提斯喜马拉雅的东部开始(大印度与澳大利亚的彻底分离),然后逐渐波及西部的,东西时间差为15~20Ma;由于地壳均衡作用,大陆分离后原先地壳挠曲转变为地壳下沉,发生强烈的构造沉降,故Albian之后沉积一套深水环境下的海绿石、磷酸盐和黑色页岩沉积。

On the basis of the discovery, this paper presented that the Myanmar jadeitites crystallized in the aquiferous jadeitic melts and its formation, transportation, intrusion, and interaction with country rocks was under the deoxidized conditions.

在此基础之上,提出了缅甸帕敢硬玉岩的成因是由含水的组成上接近硬玉的熔体结晶而成,硬玉质熔体的形成、运移、侵位、结晶、与围岩的作用是含水与还原条件下进行的。

High-sulfur hot spring water in ancient description: hot spring water from 2500 meters underground granite, dolomitic limestone and gneiss crust between the ancient hot springs, hot spring water has been formed last million years, year-round water temperature of 50-60 ℃, a liter water the sulfur content of more than 2 mg in the rich oxygen, silicon, aluminum, iron, calcium a variety of ancient trace mineral elements, PH value of 7 are weak acid, such as lactic acid in yogurt not only offer intestinal alkaline substances in the change into a weak acid substances, but also have anti-bacterial material substances, inhibition of intestinal bacteria breeding corruption and activities, thereby reducing the intestinal harmful substances on human health has a very good role.

高硫磺远古温泉水质介绍:温泉水来自地下2500米花岗岩、白云质灰岩和片麻岩之间的地壳温泉,温泉水已经形成上亿年,又称&远古温泉&,常年水温50-60℃,每升水中的硫磺含量在2毫克以上,富含氧,硅,铝,铁,钙等多种远古微量矿物元素,PH值7属于弱酸性,如酸奶中的乳酸不但能使肠道里的弱碱性物质转变成弱酸性物质,而且还能产生抗菌物物质,抑制肠道中的腐败菌的繁殖和活动,从而减少肠道内的有害物质,对人体具有非常好的保健作用。

Zhou Xinxi The characters of Tertiary caprock and its control for hydrocarbon accumulation in Kuqa depression Journal of Palaeogeography , 2000,4

赵孟军%宋岩%柳少波%秦胜飞扩散作用对天然气成藏后的影响--以大宛齐油田为例天然气地球科学, 2003,5

So research is conducted on how to change the conventional jet effect, enhance the rock-breaking efficiency, lower the flowrate coefficient, and form instantaneous underpressure.

它改变了传统的喷射作用,将连续射流转变成瞬间脉冲射流,降低了流量系数(0.6~0.8),增强了破岩效率,在保护钻头、增强井底清洗效果、提高机速等方面优势明显。

At the end of Mingshui Formation, hydrocarbon generated by Qingshankou source rocks migrates down along open boundary faults of concentrated ribbons at the force of overpressure,then short lateral-migration along channel sand, finally accumulated on horsts and fault terraces of the uplifted side of both sides,but in the intensive fault zone,most of the units are grabens,so it is not good for accumulation.

明水组末期青山口组源岩生成的油气在超压作用下,沿开启的断层密集带边界断层幕式下排后通过河道砂体短距离侧向运移,在两侧上升盘地垒或断阶圈闭中聚集成藏;而断层密集带内多为地堑式组合,不利于油气聚集;在成藏模式指导下刻画出47个油气富集目标区,预测石油地质储量0.5 亿t。

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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