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- The protolith of the plagioamphibolites in Middle Hainan is the metamorphosed Paleo-Mesoproterozoic basic volcanics. 琼中斜长角闪(片麻)岩为变质的古-中元古代基性火山岩,属于高铝和低钛的高钾钙碱性玄武岩系。
- Title: Study on the Sr, Nd, Pb and O isotopes of basic dyke swarms in the Wudang block and basic volcanics of the Yaolinghe Group. 关键词:基性岩墙群;基性火山;同位素;地球化学;武当地块;耀岭河群
- The Palaeoproterozoic Erdaowa Group distributed in the north Hohhot, Nei Mongol is composed of metamorphic detrital sediment and carbonate with intermidiate basic volcanics. 出露于内蒙古呼和浩特北部的二道洼群,为一套陆源碎屑岩碳酸盐岩夹中基性火山岩变质建造。
- Xiaoliugou Cu, W deposit is located in Zhulongguan rifting zone with mineralization occurring in basic volcanics and carbonate rocks of Zhulongguan Group of Changcheng series. 小柳沟铜钨矿床产于朱龙关裂谷带中,矿化主要产于长城系朱龙关群基性火山岩及碳酸盐岩中,层控及岩控特征明显。
- ZIRCON U Pb AGE OF META BASIC LAVA FROM THE KUANPING ROCK GROUP,SHAANXI PROVICE 陕西宽坪岩群变基性熔岩锆石U-Pb年龄
- Isotopic analyses and REE patterns indicate that the basic volcanic rock is the gold source bed. 因此,该矿床可称之为剪切带蚀变岩型金矿床,具有一定的找矿潜力。
- With the increase of SiO2,from the basic volcanic rock to the acid volcanic rock,the fractional degree of HREE and LREE becomes more and more high. 从基性火山岩到酸性火山岩,随着SiO2的增加,轻重稀土分馏程度越来越高。
- The authors believed genesis of Gejiu tin-polymetallic deposits were involved in the basic volcanism of the Indo-Chinese epoch. 作者认为个旧锡多金属矿床的形成和分布与印支期玄武岩有很大关系。
- Also on the analysis of geochemical data, it is sugested that the composition of eclogite is not simple butacombination of terrestriaI tholeiite and basic volcanic tuff and marl. 同时根据地球化学资料等分析,认为榴辉岩的成分不是单一的,一部分为大陆拉斑玄武岩、一为基性的火山凝灰岩和泥灰岩。
- The principal period of volcanic activity produced large volumes of mainly acid and basic volcanic rocks accompanied by volcaniclastic sediments which contain isolated coal seams. 火山活动的主震时期产生了大量的主酸性以及基性火山岩,并伴随着火山碎屑沉积物,且其中包含着分离的煤层。
- It's almost impossible to agree on a unified basic price. 几乎不可能商定一个划一的基本价格。
- The basic rocks, which belong to alkali and tholeiitic magma series, enriched in LREE and LIL. The magmatic source of basic volcanic rocks was enrichment mantle being analogous to oceanic island basalts sources. 基性火山岩有磁性玄武岩与拉斑玄武岩两个岩浆系列,且富集LREE与LIL,其岩浆源区为与洋岛玄武岩源相似的富集地幔柱源。
- Let me enlarge on this basic theme. 让我进一步阐述一下这个基本主题。
- Basic volcanic rock-banded magnetite puartzite-carboncaceous-siliceous slate(siliceous graphiuc schist)formation which should be put under Upper Archaeozoic to Lower Proterozoic Erathem is in existence in the Hekou Group. 河口群中存在基·性火山岩、条带状磁铁石英岩、碳硅质板岩(硅质石墨片岩)三组合建造,应属晚太古代未-早元古代地层。
- Let's examine into the basic mechanism involved. 让我们把有关的基本结构搞搞清楚。
- Its original rock is sedimented in the environment of active epicontinent-seaboard with basic volcanism, and become khondalite series through the Archean regional high-amphibolite facies metamorphism. 原岩形成于具有基性火山作用的活动大陆边缘滨海-浅海环境。经过太古宙的区域高角闪岩相变质作用,形成孔兹岩系。
- Alas, Meta never even saw our apartment. 可惜阿梅竟从来没有看见过我们的住处。
- The Cretaceous is an intraplate-rifting stage, characterized by representative geological elements such as AA-type granite, red down-faulted basins, bimodal subvolcanic rocks and basic volcanic rocks. 白垩纪为陆内裂谷阶段,形成的代表性地质要素有AA型花岗岩、大量陆相红色断陷盆地、基性火山岩、双峰式次火山岩等。
- Don't spool to enhanced meta files. 对高级的媒体文件不假脱机。
- Think meta cognitively about your business. 你觉得梅塔视觉业务。