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geological questions
相关语句
  地质问题
    A Successful Example of Complicated Geological Questions Solved By Comprehensive Geophysical Explo ration Methods
    综合物探方法解决复杂地质问题的一个成功实例
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    Some Geological Questions about Investigation in Nuclear Power Station
    核电工程勘测的若干地质问题
短句来源
    At the same time the poor scientific management for exploiting groundwater has posed a great deal of geological questions of environment.
    同时由于对地下水开采缺乏科学的管理,也造成了诸多的环境地质问题
短句来源
    However, Chagannuoer depression is in beginning of exploration, the explorers have some geological questions about Chagannuoer depression.
    但由于该凹陷处于勘探初期,还存在许多地质问题没有弄清,例如:①层序地层学概念不完善,尚未建立不同层次层序嵌套关系,以及层序地层学框架内的石油地质模式;
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    A great deal of important achievements have been gained in Qaidam basin by exploration for oil and natural gas since 1950s,the exploration practice in recent years have shown that the degree of prospecting for oil and natural gas is low,and many geological questions are still not solved.
    经过40多年油气勘探开发工作,柴达木盆地取得了许多重要成果。 但是,近年来的勘探实践表明,全盆地的油气勘探程度仍然很低,许多地质问题有待深入认识。
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  geological questions
This contribution gives an example about their potential in establishing concentration gradients within minerals for geological questions.
      
Important geological questions were postulated in the 1880s and 1890s.
      


Whether the plate subduction had occurredin Yangtzi Block region during the Precambrian is an important geological question in dispute. Based on the study of the stratigraphy, magmatic formation, ophiolite suite, sedimentary formation and deep fractures in the Precambian basement in southern China, it is suggested that the plate subduction has taken place in the Yangtzi Block region during the Jinning orogenic period (1.05-0.85Ga). The Qingkangdiari paleo-oceanic plate has subducted beneath the Yangtzi...

Whether the plate subduction had occurredin Yangtzi Block region during the Precambrian is an important geological question in dispute. Based on the study of the stratigraphy, magmatic formation, ophiolite suite, sedimentary formation and deep fractures in the Precambian basement in southern China, it is suggested that the plate subduction has taken place in the Yangtzi Block region during the Jinning orogenic period (1.05-0.85Ga). The Qingkangdiari paleo-oceanic plate has subducted beneath the Yangtzi paleo-continental plate to the south-east, resulted in formation of a volcanic arc and trench system on the active continental margin in the Kangdian mountain system-Longmen mountain-Micang mountain area located in the north-west margin of the Yangtzi Block, and the Zheganyue paleo-oceanic plate subducted beneath the Yangtzi paleo-continental plate to the north-west, resulted in formation of an island arc and trench system in the Jiuwangda mountain-Xuefeng mountain-Jiuling mountain-Huiji mountain area located in the south-east margin of the Yangtzi Block. The opposite movement of these two un-parallel palao-oceanic plates toward the Yangtzi palao-continental plate produced a composite stress in north-northeast direction and brought abovt the movement of Yangtzi paleo-continental plate in north-north-east direction, and collided with the North China plaeo-contin-nental plate.

扬子地区在晋宁造山期(1.05—0.85 Ga)发生过板块俯冲活动,其活动模式为青康滇古大洋板块向东南扬子古大陆板块俯冲,浙赣粤古大洋板块向西北的扬子古大陆板块俯冲。两个不平行的古大洋板块相对俯冲所产生的合应力,造成扬子古大陆板块朝北北东向移动,而与华北古大陆板块发生碰撞。

This paper has made a deeper and more careful study of the basement, deep structure and ore-forming prospecting in the Qingba and its surrouding areas with the help of the given millionth data of gravity and magnetism.By using the structure spectrum and the moment spectrum and paying more attention to the use of the artificial intelligence in the whole process of explanation, the writers make sure that the results are very reliable.The Qingba areas were lacking for complete and systematic studies before.The...

This paper has made a deeper and more careful study of the basement, deep structure and ore-forming prospecting in the Qingba and its surrouding areas with the help of the given millionth data of gravity and magnetism.By using the structure spectrum and the moment spectrum and paying more attention to the use of the artificial intelligence in the whole process of explanation, the writers make sure that the results are very reliable.The Qingba areas were lacking for complete and systematic studies before.The previous studies were mostly restricted to parts of the area, so that it was more difficult to realize and appraise the geological questions about the Qingba areas. The study of this paper will fill in the gaps, so that this paper can be used as an important basic material.

本文利用已有的百万分之一重磁测量结果,对整个秦巴及其周围地区的基底及深部构造、成矿远景做了较深入仔细的研究。在研究方法上,使用了构造频谱法和矩谱法,并注意将人工智能贯串于解释中,从而保证了解释结果的可信度。整个秦巴地区缺乏全面系统地研究,以往的研究大都局限于局部地区,难以由此全面地认识和评价秦巴地质。本文的工作填补了这一空白,可以作为研究秦巴地质的重要基础资料。

For the first time,the author puts forward a model which plate—movement velocity is formed by gravity and tidal attraction co--operation. Based on the model, on the average annual earth tidal height (H), an approximate formula H(?)0.39628 v/(sin2φ) (v—plate's velocity,φ—latitude number) is inverted, v, it's known, so, we might calculate earth tidal height. For earth tidal height distribution, compare the theorical distribution with actual distribution, their feature are consistent. Therefore, the mechanism,...

For the first time,the author puts forward a model which plate—movement velocity is formed by gravity and tidal attraction co--operation. Based on the model, on the average annual earth tidal height (H), an approximate formula H(?)0.39628 v/(sin2φ) (v—plate's velocity,φ—latitude number) is inverted, v, it's known, so, we might calculate earth tidal height. For earth tidal height distribution, compare the theorical distribution with actual distribution, their feature are consistent. Therefore, the mechanism, it's reliable. Further, the writer discusses some relevent geological questions.

本文给出出板块运动速度由重力与引潮力共同作用形成的模式;反演求出年均固体潮高表达式H(?)0.39628 V/sin2φ;把全球固体潮高理论分布与实际进行对比,得出二者具有一致性,从而证明文中板块驱动机制较为可信。并对有关问题与现象作了解释与探讨。

 
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