尽管另一些人,质疑层叠岩石化石是否是细菌活动的结果,但他们也想知道那些化石是否只是化学沉淀物。
Others, though, question whether fossil stromatolites really are the result of bacterial action, and wonder whether they might be chemical precipitates instead.
宁强陨石的岩石学、岩石化学及基质的化学成份。
Petrology, petrologic Chemistry, and Matrix Chemical Compositions of the Ningqiang Chondrite.
在地壳模型和岩石化学资料基础上,计算和研究了新疆地壳的平均化学成分和主要元素丰度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and explored.
研究岩石风化过程中岩石化学成分的变化规律,对于进一步研究岩石的风化机理以及岩石的物理力学性质变化过程有着十分重要的意义。
To study the rule of change of rock chemical composition in the weathering process is very important for further research of weathering mechanism and change in rock's physics mechanics character.
本文在讨论白垩纪火山杂岩岩石学和岩石化学特征的基础上,对火山杂岩的构造环境和成因机制作了分析。
This paper analyses the tectonic environment and genetic mechanism for volcanic complex after discussing the petrology and petrochemistry characteristics of Cretaceous volcanic complex.
老湾花岗岩的岩石化学、稀土元素和同位素特征指示出老湾花岗岩源于下地壳经部分熔融作用形成。
The lithochemistry, REE and isotope characteristic of strontium, oxygen and lead of Laowan granite show that the granite originates from lower crust by partial melting.
文中对它的地质产状形态、岩石学、岩石化学和交代蚀变作用等方面作了阐述。
This paper has described geologic occurrence and shape, petrology, petrochemistry and replace-alteration processes of the rock bodies.
由此可见,硅质岩岩石化学成分具有明显的指相意义。
Thus, petrochemical components of chens have some significance of indicating facies.
培面出露较好,岩石化学、地球化学特征显示为大洋岛屿环境,是震旦纪晚期伊犁地块从塔里木板块裂解时的产物。
Rock geochemistry displays an ocean island environment during the late sinian when the yili block broke away from the tarim plate.
火山碎屑堆积物中的浮岩岩石化学分析结果表明岩浆成分为粗面质。
Petrochemistry analysis of pumice component indicates that the magma can be assigned to trachytic magma.
通过对该类砾岩岩石学和岩石化学研究,认为其形成受控于成矿期的同沉积断裂。
The petrological and petrochemical characteristics indicate that the formation of these conglomerates was controlled by synsedimentary faults during the metallogenic e.
本文着重讨论硬玉钙霞正长岩的岩石学、矿物学、岩石化学、REE地球化学、时代及岩石成因。
This paper stresses the study on the petrology, mineralogy, petrochemistry, REE geochemistry, age and petrogenesis of the jadeite-cancrinite syenite.
在地壳模型和岩石化学资料基础上,计算和研究了新疆地壳的平均化学成分和主要元素丰度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and...
经岩石化学特征、微量、稀土元素地球化学特征研究以及岩体成因类型图解判别,获得五个序列岩体均为S型花岗岩的认识;
According to the analyse of petrochemistry, microelement, lanthanon and cause of formation type of rock body, sum up the all sequences are S-type granitoid .
所以,这些强过铝质侵入岩的岩石化学数据提供了关于燕山运动峰期地壳发生部分熔融时的温压条件的信息。
Therefore, the petrochemical data provide the P-T conditions of crustal melting in the peak period of the Yanshanian orogeny.
枕状熔岩的岩石学、岩石化学和地球化学研究表明,它是海底玄武岩的产物。
The study on petrology, lithochemistry and geo-chemistry of the pillow lava shows that it is the product of submarine basalt.
本文分析了大别山地区榴辉岩的产出特点,矿物化学、岩石化学及元素地球化学特征。
This paper analyzes the mode of occurrence and mineral chemical, petrochemical and element geochemical characteristics of eclogite in the Dabie Mountains area.
本文系统报道了它的地质学、岩相学、岩石化学和地球化学的特征,讨论了它的成因类型归属和所代表的大地构造环境问题。这些资料表明;
The data of geology, Petrology, trace and rare earth element geochemistry of this rock is reported and used to discuss on petrogenic type and tectonic implication.
其岩石化学成分表现出高钾和超高钾质、低钠含量和高钾钠比值的特征。
Their petrochemical data exhibit high or ultrahigh potassium and lower sodium contents and a high K 2 O /Na 2 O ratio.
但是,找到转化少部分的岩石化学试剂,让多孔结构与二氧化碳发生反应是可能的。
It may be possible, however, to find reagents that can convert only a small portion of the rock, so as to leave a porous structure, which can then react with CO2.
在岩矿鉴定的基础上,对晋中冀西太原组中段普遍发育的一层火山事件层做了岩石化学、稀土元素和微量元素分析。
A volcanic event layer in the Middle Taiyuan Formation of Late Palaeozoic is widely distributed in the central Shanxi and western Hebei.
经岩石化学及微量元素等的研究表明,这是一个由贫硅富铝的沉积岩经高级变质作用形成的矿床。
Based on the investigation by petrochemistry and trace elements, It is regarded that this corundum deposit are formed…
依据地层组成结合岩石化学研究,在“构造混杂岩”基础上建立了“双列岛弧”的“沟弧盆体系”模式。
According to stratigraphic compositionand lithochemistry, a"trench-arc-basin system" model for the dual-arrangedisland arc is established on the basis of the "tectonic melange".
依据地层组成结合岩石化学研究,在“构造混杂岩”基础上建立了“双列岛弧”的“沟弧盆体系”模式。
According to stratigraphic compositionand lithochemistry, a"trench-arc-basin system" model for the dual-arrangedisland arc is established on the basis of the "tectonic melange".
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