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The remote Pacific islands nation of Tonga (about 170 is-lands, with a population of 105000), and surrounding countries,......
It has been debated whether there was southward movement of the South China Block (SCB) during the Cretaceous. In this s......
The forest ecosystem of the Changbai Mountain is the most typical upland temperate forest ecosystem in eastern Asia. It ......
Fourier transform infrared spectrophotometer, laser Raman spectrophotometer and laser Raman Microprobe have been used to......
The Tianshan Mountains is believed to be a typical intercontinental mountain belt, which is formed during the tectonic a......
High-resolution tomographic images of the belt crossing the Japan Trench-Changbai Mountains-Dong Ujimqin Qi are represe......
A grain of unexpected mineral composed of FeO (wustite) and SiO2 (quartz) with an intergrowth structure was found in oph......
The d 13C values of Lower Cretaceous Aptian-Albian platform-type carbonates in the Cuoqin Basin, North Tibet vary betwee......
Modeling experimental study on weathering-leaching of Emeishan basalt and its relation with metallog
The Emeishan basalt has a high Cu background value (170×10-6 on average), and thus provides a ore-forming material sour......
The Late Triassic to Paleogene(T_3-E) basin occupies an area of 143100 km~2,being the sixth area of the whole of SE Chin......
Detrital Zircon Provenance of Pliocene Yinggehai Formation in the Ledong Gas Field of the Yinggehai-
1 Introduction Over the past decades,a number of hydrocarbon reservoirs have been discovered in the deepwater area of th......
Magnetic, Geochemical and Mineralogical Charac-teristics of Soils in Qiangtang Basin, Tibet, China:I
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The Geological Significance of a Tuffite Interlayer in the Cretaceous Port Island Formation in North
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
利用最新的太阳辐射变化资料和山灰记录通过气候模式的模拟试验来探讨小冰期气候的形成因子，并揭示其动力学机制，模拟结果较好地反映......
随着空间技术、空间对地观测技术和天测技术的发展 ,已经逐渐在陆域强震及火山灾害的监测预测领域发挥作用。近几年 ,有关部门进行......
岩芯和露头剖面观察结果表明，鄂尔多斯盆地长7优质烃源层中广泛分布薄层和纹层状凝灰岩，薄层凝灰岩的SiO2含量介于49．37％-72．45％之间，以中......
青海南部二叠系尕笛考组厚度变化大，分布广，空间上呈链状展布。通过在该区地质调查对该组进行厘定，尕笛考组岩性组合为玄武岩、火山集......
西部大开发是我国的一项重要战略,西部相对于东部来说开发较晚,各种资源、环境也相对保持较好.位于云南腾冲火山区的三座新期火山......
火山岩储层的储集空间类型受岩相控制,不同岩相带发育的火山岩储层的孔-缝及其组合关系差异很大,松辽盆地南部英台气田龙深1区块火......
海拉尔盆地贝尔凹陷布达特群热流体活动频繁。主要特征如下：多种类型、多期次脉体的发育；受局部热流体作用，不同地区镜质体反射率随深......
海洋的暴烈的岩石的 Polymetallic 铁矿石硫酸盐存款在暴烈的忍受矿石的阶层的 Fangniugou 区域，吉林省，中国，而是部门被开发了明确地......
通过中国北方侏罗、白垩系盆地演化特征的研究,认为盆地发育具有西早东晚的特点,早、中侏罗世,西北地区发育了近东西向的断陷盆地......
松辽盆地天然气成因类型复杂,烃类气和CO2大量共存,已发现多个高含CO2气藏。地质和地球化学指标判识表明,松辽盆地高含量的CO2皆来......
对张广才岭五道岭组火山岩进行锆石U—PbIJA—ICP—MS年代学和岩石地球化学研究，以确定该组火山岩形成的时代和构造背景。选取样品......
报道了大别山北缘中生代(早白垩世)不同成因系列火山-侵入岩的14个Rb-Sr、Sm-Nd同位素分析数据,其中正长岩类ISr值为0.70843～0.7101......
The Geological Significance of a Tuffite Interlayer in the Cretaceous Port Island Formation in North
The Port Island Formation （PIF）, a typical Cretaceous red bed in Hong Kong, is dominated bynon-fossiliferous, reddish clas......
以南海北部边缘盆地为例，选取典型火山-幔源型CO2气和不同有机成因CO2气的碳同位素值作为端元，模拟计算了2种成因CO2气按不同比例混......
应用真空机械破碎法对徐家围子断陷火山岩包裹体的组分和同位素组成进行了热爆前、后的对比分析，进而结合气井产出天然气的相应特征......
根据大别山北缘合肥盆地凤凰台组暨毛坦厂组中的榴辉岩、角闪岩、斜长片麻岩等砾石地球化学研究,SiO2含量为43.31%～57.35%,原岩主要......
Zircon U-Pb Geochronology and Geochemical Characteristics of the Volcanic Host Rocks from the Tongyu
在标明日期的 situ 锆石 U-Pb 和 Lu-Hf 精确用一个 LA-ICP-MS 系统，整个岩石的专业和踪迹元素地球化学和 Sr-Nd 同位素地球化学的......
Geohazards,such as earthquakes,landslides, tsunamis,volcanic eruptions,floods,melting permafrost, and metastable soils i......
长白山天池火山是目前最具潜在喷发危险的活火山。依据长白山天池火山的最新监测研究成果,结合地形地貌、水文流域特点及天池火山......
纳尔逊岛Stansbury半岛被玄武质、玄武安山质熔岩和火山碎屑岩以及沉积火山碎屑岩所覆盖。区域火山岩地层对比证明其是在形成长城......
