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混合岩

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Dissipative structure has been applied in the study of dissociation of minerals, dynamics of hydrothermal mineralization, genesis of migmatite, structure and motions of the earth' s crust and mantle and so on.

耗散结构已应用于矿物离解过程、热液成矿作用动力学、混合岩成因以及地壳地幔的结构和运动等的研究。

By the analysis of metallogenetic factor and geochemical characteristics of gold and accessory elements, the ore solute originated from migmatite, and has intimate relationship with the basement.

根据本矿床成矿地质条件及综合Au及微量元素的地球化学特征诸因素分析,本矿床成矿物质来源于混合岩,并与基底建造具密切关系。

Resulting in f orming some migmatite and granitic gneiss.

同时形成一些混合岩和花岗片麻岩。

On the basis of charateristics of Hetai Gold Deposit,scene-working practice experience,and the alaysis and studies on the provious geological achivements,the relationship between mineralization and such ore-controlling factors as srate,structure,magmatite,migmatite and etc.

从该矿的矿床地质特征入手,根据多年的现场实际工作经验,并通过分析、研究前人多种地质工作成果,解析了地层、构造、岩浆岩、混合岩等控矿因素与成矿的关系,总结了矿化富集规律,预测了找矿前景。

According to the heterogeneous migmatite and granite of South and North Dabie Blocks, and the formula △h=h which was inferred in this paper, the melting of metamorphio rock might make NB uplift about 4. 4km, but SB only about 1. 9km. Therefore, the difference of melting degree of metamorphic rocks of NB and SB led to the volume different, and this could be one of the reasons of different uplift of NB and SB.

根据南、北大别地块混合岩、花岗岩分布不均匀的特点和本文推导的公式Δh=h(〓-1)估算表明,变质岩的熔融可使北大别地块隆升幅度达4.4km,而南大别隆升幅度仅为1.9km,因此,南、北大别变质岩熔融程度差异所引起体积变化的不同,可能是南、北大别地块差异隆升的原因之一。

Sedimentary facies model for mixed sediments of recent reefoid carbonates and siliciclastics is developed from the facies model of fringing and barrier reefs. Based on the sedimentary facies and textures, mixed sediments may be subdivided into 5 types as follows: 1 reef base mixed sedimentary rocks and reef framework mixed sedimentary rocks; 2 reef flat sand-gravel mixed sedimentary rocks; 3 backreef beach-dune gravel-sand mixed sediments; 4 backreef lagoonal sand mixed sediments ; and 5 reef front littoral sand mixed sediments.

礁源与陆源混合沉积相模式是从岸礁一堡礁相模式基础上发展而来,根据其沉积相和沉积结构特徵可以分为5种混合沉积:①礁基混积岩和礁格架混积岩;②礁坪砂砾屑混积岩;③礁后海滩-沙提砾砂屑混合沉积;④礁后泻湖砂屑混合沉积;⑤礁前浅海砂屑混合沉积。

The medium-pressure kyanite sequence metamorphic belt includes biotite zone, garnet zone, staurolite zone, kyanite zone, sillimanite zone and partial melting migmatites.

黑云母带为450-530℃、0.45-0.7GPa,石榴石带为550-570℃、0.55-0.75GPa,十字石带可能为602±15℃、0.67±0.16GPa,十字石带后期变质条件为515℃、0.4GPa,夕线石带为678.7℃、0.6±0.05GPa,混合岩中浅色脉体为750~800℃、0.9~1.0GPa。

Under the action of which pyrogenic rocks, volcanic complex, aqueous rocks, sedimentary rocks etc.

它包括火成岩、火山混合岩、水成岩、沉积岩等多个种类。

Under the action of which pyrogenic rocks, volcanic complex, aqueous rocks, sedimentary rocks etc.

火成岩、火山混合岩、水成岩、沉积岩等各类岩石。

The reason for this is that part of granulites melted and formed the layered migmatites.

这些特征表明层状混合岩是变质围岩经选择重熔交代而形成的。

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