And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates
通過對測試數據的分析與綜合研究,並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比,得出本區花崗巖類巖石具有以下特徵:屬磁鐵礦-型或同
熔型花崗巖,其巖漿物質具殼幔混源特徵:主要由
熔融態巖漿經結晶分異作用,通過多期變速上侵而形成;其分異演化程度較低;寄主巖基和包體具有同源性;巖石的形成溫度范圍約為500 - 700 ,壓力大約為2 . 50gpa - 4 . 35gpa ,氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ;該巖
帶主要形成於板塊碰撞前消減的活動板塊邊緣期,為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。
Based on the petrological, petrochemical and geochemical analyses about these rocks, it is concluded in this paper that the xenoliths were originated from the upper mantle, and comprised of both primitive pyrolite and the infusible solid residual of the upper pyrolite while the basaltic magma was melted out of it, which were brought up to the earth ' s surface via o1carnc eruption
根據其巖石學、巖石化學及地球化學特徵分析,包體來源於上地幔,其成因既有原始地幔巖,亦有上地幔巖經部分
熔融出玄武巖漿后的難
熔固相殘留物,被火山噴發攜
帶至地表。
Long-term recycling of these materials will occur when they are melted to form magmas erupted from the benioff zone.
當這些物質
熔融形成巖漿,從貝尼奧夫
帶噴發時,這些物質將發生長期的再循環。
The pges abundance patterns of residual mantle rock with a peleo - subduction background is characterized by pd, pt depletion and ir, ru relatively enrichment, while the basalt and basic dyke by the processing of partial melt in the same background take an opposite feature of pd, pt enrichment and ir, ru depletion. the existence of fluid in the subduction zone increases the degree of partial melt on the one hand, and on the other, activates the activity of pd, pt compare to ir, ru, and thus reduces the pd ir and pt ru in residual mantle rock. the pges patterns for basalt and basic dyke from two carboniferous volcano zones to south qoltag and north turpan - hami basin, xinjing uigur autonomous region, take a shape of gentle positive inclined curve with lower pt and pd differentiation and lower pges. all these features are obviously different from that of basic dyke and basalt from typical ophiolite and therefore the author believe that their fluid - rich paleo - subduction zone environment can be ruled out
古俯沖
帶背景下的殘餘地幔巖的pges配分以pd , pt明顯虧損和ir , ru相對富集為特徵,而部分
熔融產物的玄武巖和基性巖脈則呈現相反的ir , ru明顯虧損和pd , pt相對富集特徵。俯沖
帶中流體的參與一方面增加了部分
熔融程度,有利於pd , pt從原始地幔進入
熔融相另一方面,流體的作用使得pd , pt相對于ir , ru遷移活動性效率提高,造成地幔巖中
I ' m gonna take 2 melds
我準備
帶兩個
熔鐵
However, in the area with strong magma mingling, there are widespread abnormal fabrics, distinguished differences in the idiomophic - textures and the peritectic reaction, poililitic texture, metasomatism among the minerals, metasomatic border, embayment, rimmed structure, abnormal plagioclase zoning, relict fabric as well as the acicular apatite are very common
巖石的異常結構構造十分發育,礦物之間自形程度差異顯著,常見包晶反應、包含結構、交代邊、
熔蝕邊、交代蠶食的港灣狀結構構造及交代縫合線、礦物鑲邊、斜長石異常環
帶和礦物殘留等,多見指示巖漿混合的標志性礦物針狀磷灰石。
The southern hainan mafic dykes are strongly enriched in lile with high nb / ta ratios, indicating a magma source reconstructed by silicic - melt through partial melting of ancient subducted slides. however, the northern hainan mafic dykes with chondritic nb / ta ratio should be derived from the fiuid - metasomatized mantle related to ancient subduction zone
瓊南基性巖脈強烈富k _ 2o等lile和具有較高nb ta比值,其地幔源區應受到了古俯沖板片部分
熔融形成的硅質
熔體的改造;而瓊中基性巖脈的nb ta比值接近於球粒隕石和morb值,應為古俯沖
帶含水流體交代的地幔源區的產物。
Meanwhile, through adopting imported environmental materials, all of our product pu, pure pu, tri - layer ventilative cloth, heat transformation materials, etc. are totally accord with eu environmental criteria
盟環保標準的高品質系列防水熱風膠條pu純pu三層透氣膠
帶熱
熔膠膜熱轉移材料等。
A usually black or banded, hard volcanic glass that displays shiny, curved surfaces when fractured and is formed by rapid cooling of lava
黑曜巖火山玻璃,一般為黑色,
帶狀,摔碎時色澤光亮,表面變曲,由火山
熔巖迅速凝而成
The standing body of china national adhesives industry association is secretariat, under which there are technology department, information department and the office, as well as six committees of pressure sensitive adhesive ( tape ), polymer emulsion adhesives, rubber adhesives, polyurethane adhesives, hot melt adhesives and engineering adhesives
中國膠粘劑工業協會的常設機構是秘書處,秘書處下設技術部、信息部和辦公室,並設有壓敏膠粘劑(
帶) 、聚合物乳液膠粘劑、橡膠型膠粘劑、聚氨酯膠粘劑、熱
熔膠粘劑和工程膠粘劑等六個專業委員會。
Miniature fuses ; snap fixation fuse - holders, with revolving fuse - carrier 6, 3 a, 250 v, affording protection against contact with live parts, for interchangeable cartridge fuse - links
小型
熔斷器.可換座的
熔斷片保險絲管用的防止與
帶電零
13 a plugs, socket - outlets and adaptors - specification for rewirable and non - rewirable 13 a fused plugs
13 a插頭插座和適配器.可重接和不可重接
帶熔斷器底插頭規范
The blast furnace is a heat exchanger and also an oxygen exchanger of the gas and row, there are many physical and chemical changes in it. it is not very reasonable to develop a model only consider the statistics relations
但高爐是從風口迴旋區到料線的氣固逆流熱交換器;也是從軟熔帶到料線的逆流氧化交換器,其內進行著非常復雜的物理和化學反應。