铅同位素结果研究表明,穆家庄铜矿矿石铅和近矿围岩岩石铅具有富含放射性成因铅的特点。
Lead isotope research shows that lead in ores of Mujiazhuang copper deposit and near ore country rocks is characterized by being rich in radioactive lead.
在岩浆弧岩石成因体系中,这样的熔融条件最可能出现在板块俯冲的初始阶段。
In the arc petrogenesis system such melting conditions are most likely to occur in the initial stage of slab subduction.
在岩浆弧岩石成因体系中,这样的熔融条件最可能出现在板块俯冲的初始阶段。
In the arc petrogenesis system such melting conditions are most likely to occur in the initial stage of slab subduct ion.
与成矿关系密切的岩石为浊积岩成因。
地球化学省是区域岩石圈演化过程中形成的,是具有共同成因的、一定规模的地质单元的地球化学表现。
The geochemical province, formed in the course of regional lithospheric evolution, is characterized by geological units with common origin and certain sizes.
与成矿有关的次火山岩为陆壳改造型成因,系基底岩石部分熔融形成。
The subvolcanic rock associated with silver metallization is of continental crust origin, resulted from partial melting of basement rocks.
本文概略地描述了该地震事件沉积序列中不同岩石类型特征,并对其成因进行了初步的探讨。
Some rock type characteristics of the depositional sequence in the seismic event are summarily described, and the origin of the seismic depositional rock is preliminarily studied in this paper.
本文从地质构造、岩石结构、地貌、湖底形态及室内沉积物分析资料几个方面论证了喀纳斯湖的成因。
This article proves the genesis of Kanasi lake from the respects of geologic structure, landforms, formation of lake bottom and analysis material of sediments in laboratory.
在岩浆弧岩石成因体系中,这样的熔融条件最可能出现在板块俯冲的初始阶段。
In the arc petrogenesis system, such melting conditions are most likely to occur in the initial stage of slab subduction.
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 .
根据硅岩的岩石学及地球化学特征,对其成因进行了系统研究。
The origins of the siliceous rocks have been researched systematically based on their lithological and geochemical characteristics.
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.
本文通过对杂岩体的成因、成岩时代、岩石类型以及岩体的含金性和部分同位素的特征分析,探讨了岩体与矿床的成岩关系。
Based on researching of the age, rock types genesis, gold content and the stable isotope composition of the complex, the relation between the deposit and the complex is discussed.
本文对花岗质岩石中包体的成因类型进行了系统厘定,建议使用“混杂包体”类型,并阐明了各类包体的特征、主要成因模式及其研究意义。
The genetic type, models and significance of rock enclaves in granitoids have been systematically reviewed, and a new genetic type nomenclature of "Hybrid enclave" has been pot forwatd.
本文在讨论大河矿床容矿岩石、矿床地质特征的基础上,探讨了矿床的形成环境和成因。
Based upon the investigation on the geological features of the Dahe deposit and its host rocks, this paper discusses the environment and origin of the ore deposit.
该文依据分子轨道理论和固体物质的能带理论,对石油及岩石矿物的荧光性成因进行了论述。
The article deals with the oil and rock mineral property according to the molecular orbit theory and the energy band theory of the solid material.
上述三种形态的微型钟乳石的岩石学特征也表明其是典型的淡水成因形成。
Three shapes of the micro-stalactite above mentioned are typical fresh-water sedimentary in features of petrology.
这为探讨这些花岗岩的成因提供了岩石学依据,同时也暗示晚古生代佳木斯—松嫩古陆可能发生过地壳的垂向生长。
This provides petrographic evidence for the study of the genesis of the granites and also implies that vertical crustal growth probably took place in the Late Paleozoic Jiamusi-Songnen craton.
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.
中生代构造快速沉降的沉积体的楔形展布表明盆地具有前陆岩石圈挠曲成因特征;
The Mesozoic rapid tectonic subsidence and wedge shaped sedimentary bodies indicate the origin of lithospheric flexure in the Chuxiong Basin.
通过对延长统长8段厚层砂岩沉积岩石学和层序地层学研究,将其分为两类,一类是由多期单一成因的分流河道砂岩叠加构成;
The thick sandstones in Chang 8 oil Formation of Yanchang group may be divided into two types by the research on sedimentary petrology and sequence stratigraphy.
总结含矿白云岩、富钾板岩和富钠岩石三者之间在成因方面的关系,认为其属于同一岩浆起源的碱性岩系。
The paper concludes genetic relationship between the ore-bearing dolomitite, K-rich slate and Na-rich slate and believes that they are one alkali rock series of comagmatic origin.
变质构造岩是由变质变形作用形成的一种特殊类型岩石,形成于地壳不同构造层次上的韧性变形带中,具有明确的构造成因的含义。
Metamorphic tectonite is a special rock formed by deformation in ductile shear belts at different crustal levels, which has a clear meaning of structural origin.
由这种岩石的痕量元素特征揭示的高压组成矿物,表明其有三种可能的成因。
The high pressure source mineralogy signaled by Andean adakite trace element characteristics originates in three ways.
八卦庙特大型金矿的成因引人注目,作者提出含矿地层中存在的一套条带状岩石属于热水沉积成因。
The genesis of the Baguamiao gold deposit is noticeable. The author suggests that the banded rocks in the ore beds are of hydrothermal origin.
这对TTG岩石的成因、I型花岗岩的形成以及陆壳成分的演化都有着重要的意义。
This has significant implications for TTG petrogenesis, I-type granite origin and continental crust evolution.
总结了四种不同成因的白云岩的岩石特征及地球化学特征。
Petrologic and geochemical features of these four kinds of dolostone are generalized.
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.
二道岭矿区侏罗系的成因属鄂尔多斯中生代盆地西缘的陆相碎屑沉积, 岩石地层自下而上为富县组、延安组、直罗组和安定组。
The Erdaoling mine is located on the western margin of the Mesozoic Odors basin and belongs to continental clastic deposit during the Jurassic period.
因此,研究其岩石成因和构造背景有助于制约该时期华北克拉通的构造演化过程以及岩石圈地幔的特征和演变规律。
Therefore, they provide important constrains on the tectonic evolution of the NCC and the lithospheric mantle under NCC in this period.
应用推荐