Volcan相关论文
Geochemistry of Volcanic Rocks of Beka,North East of Ngaoundéré(Adamawa Plateau,Cameroon):Petrogene
Beka area is situated in the Adamaoua Plateau of Cameroon in central Arica.Lavas in this area has not been studied befor......
High-precision thermal ionization mass spectrometry dating of young volcanic rocks by using U-series
A high precision thermal ionization mass spectrometric (HP-TIMS) technique is used to determine 238U,234U,232Th,230Th co......
Quaternary clay mineralogy in the northern South China Sea (ODP Site 1146) —— Implications for ocean
Measurement of clay mineralogy at ODP Site 1146 in the northern South China Sea (SCS) indicates that illite, chlorite, a......
Ultramafic xenoliths are common in Tietonggou intrusion, Laiwu, Shandong Prov-ince. Peridotite xenoliths develop two-sta......
Zircon U-Pb Ages of Bottom and Top Parts of the Zhangjiakou Formation in Lingyuan Area(West Liaoning
In Lingyuan region of West Liaoning Province, the Zhangjiakou Formation (J_3z) and the Yixian Formation (K_1y) display a......
Search condition of purification materials and their proper processing for the rapid infiltration me
The purpose of this study is to do an experiment in finding conditions of search purification materials and the way of t......
Reflecting the structure of igneous formation by calculating fractal dimension of logs,the fractal dimension of pyroclas......
Typology of Natural Hazards and Assessment of Associated Risks in the Mount Bambouto Caldera(Cameroo
Mount Bambouto is a polygenic stratovolcano of the Cameroon Volcanic Line,built between 21 Ma and 4.5 Ma.It is situated ......
Geochemical characteristics and geological significance of picritic rocks in Permian Tiaohu Formatio
1 Introduction Santanghu Basin is located between the Armantai and Karamaili suture zone,at the junction of the Siberia,......
~(40)Ar/~(39)Ar ages and stable isotopes of supergene jarosite from the Baiyin VHMS ore field, NE Ti
Supergene jarosite is widely distributed in weathering profiles derived from hypogene sulfide ores.Precise40Ar/39Ar dati......
Geomicrobiological perspective on the pattern and causes of the 5-million-year Permo/Triassic biotic
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......
常规反演方法识别火山岩储层通常会因为地质模型与地下地质情况差异较大而导致反演结果准确率不高。针对火山岩储层预测的难点,将......
北祁连山元古宙末－寒武纪大陆裂谷山岩系为双峰式火山岩套，主要由基性与酸性火 山岩组成。基性火山岩有碱性玄武岩与拉班玄武岩两个......
本文论述了相干性分析技术的原理，实现方法，结合实例，通过相干体切片分析对在地震剖面上不易分辨的断层进行解释和对砾岩，石灰岩，火成岩......
五湖早侏罗世火山喷发盆地位于永安县东18km。构成该盆地的火山地层属藩坑组。岩石组合为玄武岩(安山岩)-流纹岩组合,属双峰式火山......
本文根据浦城—三都澳火山喷发带早白垩世火山活动产物及其所组成的火山构造的解剖研究，在肯定或重新厘定各火山机构内的火山地层层......
作为松辽盆地充填物中的主要部分，侏罗纪火山岩和沉积岩构成二套火旋回，即营城旋回和火岩岭旋回。火石岭旋回下部火山岩属碱性系列，上......
松辽盆地北部庆深气田储层火山岩的流体包裹体均一温度为97．1～156．7℃。根据成分的不同可将本区的次生包裹体分为盐水包裹体和含烃盐......
以1∶10万区域化探扫面资料为基础,以寻找火山岩型金矿为出发点,研究新疆白山地区地质地球化学成矿特征,并总结火山岩型金矿找矿标......
阿尔金山喀腊大湾铁矿田位于NE向阿尔金走滑断裂与EW向阿尔金北缘断裂夹持地区,包括八八、八八西、7914、7915、7918和7910共6个铁......
陈家坝变质火山体系位于太古代扬子陆壳西北边部康略勉初始裂谷，是在裂谷纪大陆拉张后期所生成的一个浅海海底中－酸性火山体系，它包括......
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为了研究火山形成基本要素——岩浆运移通道的形成,基于重力异常反演的青藏高原下地壳底部的地幔对流应力场,结合地壳破裂形成机理......
赣东北地区登山群及相应层位火山岩是晋宁期同碰撞造山阶段的火山岩，可分为两个旋回。拨竹抗组碱性玄武岩喷发与陆－陆碰撞时岩石圈的......
新疆伊犁盆地南北两侧广泛分布有早石炭曲中基性－中酸性火山岩。通过对盆地北缘阿希金矿区下石炭统大哈拉军山组火岩、次火山岩岩石......
Pyroclastic material from the Puyehue-Cordon-Caulle Volcanic Complex, Chile, as carrier of Beauveria
The last volcanic eruption of the Puyehue-Cordon-Caulle Volcanic Complex in the Andes cordillera of western South Americ......
强潮汐与火山地震活动密切相关.天文资料表明,2000年6月到8月日本Izu半岛最活跃的火山地震活动正好处于天文大潮时期和日长变化最......
