巖漿同化 的英文怎麼說
中文拼音 [yánjiāngtónghuà]
巖漿同化
英文
magmatic assimilation
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巖 :
名詞1. (巖石) rock 2. (巖峰) cliff; crag
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漿 :
漿同「糨」
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There are three genetic types of mineral deposits in the beiya ore district : cu - au polymetallic deposits related to alkaline porphyries, comprising porphyritic cu - au deposits and polymetallic skarn deposits related to quartz - albite porphyry and quartz - k - feldspar porphyry ; fe - au deposits related to gabbro or basalt magma, consisting of magmatic fe - au deposits and sedimentary polymetallic deposits formed in caves and lakes ; and palaeo - placers formed at the weathering surface, in lakes and in karsts
北衙金礦有3種成因不
同的礦床:與堿性斑
巖有關的銅金多金屬礦,包括與石英鈉長斑
巖和石英正長斑
巖有關的斑
巖型銅金礦床和矽卡
巖型多金屬礦床;與輝長玄武
巖漿有關的鐵金礦床,包括熔
漿型鐵金礦床和噴流沉積型多金屬礦床,後者又有洞穴和湖相沉積環境之分;及古砂礦,有古風
化殼型砂礦、河湖相古砂礦和洞穴沉積古砂礦。
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On the basis of the study on the petrology, trace element, and isotopic geochemistry, the primary magma of volcanic rocks can be divided into two series according to their originated rocks and degree of partial melting. one is the basanite - alkaline basalt - olivine tholeiite magma series, which are generated by partial melting from spinel iherzolite ; the other is nephelinite magma - alkaline picritic basalt magma, which are generated by partial melting of the garnet iherzolite
巖石
化學、微量元素、
同位素地球
化學證據都表明,華北、華南地區的火山
巖根據源
巖和局部熔融程度的不
同,可以分為兩個原生
巖漿系列:一個是源
巖為尖晶石二輝橄欖
巖,隨著局部熔融程度的增加,形成的碧玄
巖巖漿-堿性玄武
巖巖漿-橄欖拉斑玄武
巖巖漿;另一個是源
巖為石榴石二輝橄欖
巖,隨著局部熔融程度的增加形成的霞石
巖巖漿-堿性苦橄玄武
巖系列。
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Based on an analysis of geochemical characteristics of rocks and trace elements as well as rare earth elements, this paper holds that they are products of crystallization differentiation of the same magma, that the major ore resource of this area is copper, and that gabbro - diabase is the main ore - bearing horizon
通過對
巖石
化學特徵和微量元素、稀土元素地球
化學特徵的剖析,表明其是
同一
巖漿結晶分異的產物,本區主要礦產應為銅,輝長輝綠
巖是主要的含礦層位。
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Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits
最後,綜合本區幔源礦物和地幔
巖石的特徵以及地球物理資料,得出如下結論:本區上地幔的物質組成有尖晶石二輝橄欖
巖、二輝
巖、單斜輝石
巖、純橄欖
巖、方輝橄欖
巖、石榴石二輝橄欖
巖、金雲母二輝橄欖
巖、榴輝
巖;與中國東部以及華北地臺上地幔相比,研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵,局部熔融程度較高;上地幔存在橫向和縱向的不均一性,從西部的克里陽到喀拉喀什河和玉龍喀什河流域, al和lree富集程度呈下降趨勢,不
同來源的相
同礦物中主元素的含量差異較大;地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用;玄武
巖漿的起源深度73km ;從幔源重砂礦物的溫壓估算結果,可以推斷出
巖石圈厚度可達204 . 9km ;綜合
巖石圈物質組成特徵、
巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源
巖石和幔源礦物的
化學成分,認為研究區具備了金剛石成礦地幔地質條件。
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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。
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From the study of sulfur isotope, i know that it is muti - mineralize feature, and mainly comes from magma sulfur
對硫
同位素研究顯示出多期礦
化特徵,但硫源則均以
巖漿硫為主。
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Strong negative 8 eu shows the granites are high evolved granite. ( 6 ) the tetrad effect of ree and the obvious fractionation between k - rb, y - ho, zr - hf, nb - ta, and sr - eu in the dajishan granites indicate that, the aqueous fluid pays an important role in the evolution of the granites, as well as indicate that there exist enough interaction between peraluminous melt and aqueous magmatic fluid. furthermore the fluorine played a very important role in this process
( 6 )大吉山花崗
巖類稀士元素具有「四重效應」配分的特點以及微量元素對kjrb 、 y / ho 、 zr艦f以及nb / ta發生明顯分異,暗示在花崗
巖巖漿的演
化過程中,經歷了充分的流體一熔體作用,
同時分異出大量富含f 、 w等礦
化劑元素和成礦元素的熱液流體,致使鎢礦的形成。
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This paper describes the regional tectonics, ore deposit geological structure and geochemistry of the ultragiant streltzov uranium deposit in russia and its tectono - magmatic activization ore control, and points out its important practical significance for the metallogenic researches and prospection and exploration for the same type of uranium deposits in the jiangxi - hangzhou volcanic belt of china
摘要文章介紹了俄羅斯超大型斯特列佐夫斯克鈾礦床區域構造、礦床地質構造和礦床地球
化學特徵及其構造
巖漿活
化控礦規律,指出它對我國贛杭火山帶
同類型的鈾礦床的成礦規律研究和找礦勘探有重要的實際意義。
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Scanning the formation - evolutionary histories of continental orogenic belts in both our country and whole workd, an orogenic belt has often undergone numerous and various tectono - evolutionary stages, such as palaeo - continental break - up, ocean - land transition, continental matching - collision, intracontinental extension - basin - range coupling, new tectonic uplift ( intracontinental orogeny ), etc., which are respectively companied with characteristic volcano - magmatism
縱觀我國以至全球的大陸造山帶形成-演
化歷史,一個造山帶往往經歷了古大陸裂解、洋陸轉換、陸塊拼合-碰撞、陸內伸展-盆山耦合和新構造隆升(陸內造山)等?多不
同的構造演
化階段,這些不
同的構造演
化階段和不
同的構造環境均有特定火山
巖漿作用與之相伴。
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According to the theory and study methods of comparative economic geology, the ore - forming geological background, geological feature, the elements geochemistry, the metallogenic geochronology about the two ore deposits and rock - bodys are systematic analysed, compared, and researched by means of new measure and assay technique. jianchaling nickel sulflde deposit is stress investigated in order to study similarities and differences between the two deposits in mineralization background, geochimistry, and metallogenesis, also to find the reasons for these, discuss the regularity of formation and distribution for the type deposit, and guide its exploration
本次工作依據比較礦床學的研究思路,在重點剖析煎茶嶺鎳礦床成礦地質、地球
化學特徵的基礎上,採用新的分析測試技術手段,對這兩個
巖漿硫
化鎳礦床從成礦地質背景、
巖體及礦床地質特徵、地球
化學及成礦作用年代學等角度進行系統分析、比較和研究,找出二者的共
同性和差異性,進一步更深刻地認識其成因並探討該類礦床形成與分佈的規律性以指導找礦。
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3. re - os isotope chronology study suggesting the forming of jinchuan nickel - copper deposit which is magmatic dominanted and multi - mineralization attributed may lasting a long period of time
Re ? os
同位素地質年代學研究表明,以
巖漿成礦作用為主但有多種成礦作用貢獻的金川鎳礦床的形成可能經歷了長時期的演
化過程。
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By study dabaoshan deposit on minerogenetic and geological background, mineral constituent, rare - earth element, isotope and typomorphic feature of sulpurization mineral, finally, we made a conclusion that dabaoshan deposit resulted from the volcanic deposition which type is laterebuilt and magma hydrothermal superimposed. we found the upside of dabaoshan deposit have been denuded or oxidized, bassically, it have reached the lowest part of the deposit
通過對大寶山礦床的成礦地質背景、礦物成分、稀土元素組成、
同位素以及黃鐵礦、閃鋅礦、方鉛礦的標型特徵進行研究,確定了大寶山礦床的成因為火山沉積,經後期
巖漿熱液疊加型礦床,對礦床的遠景進行了預測,提出大寶山礦床的上部礦體已被剝蝕或被氧
化,基本上已經到礦體的深部的觀點。
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Jianchaling nickel deposit that respected with it is originally devided into magma type deposit, its metallogenesis include magma differrentiation - crystalization, sulfurization process, magma melt - segregated, and hydrothermal process. but melt - separated ore - forming poorly developed, and hydrothermal process is subordinate, the assimilation and contamination of country rocks have special significance to the formation of this ore deposit
與之有關的煎茶嶺鎳礦床成因上屬
巖漿礦床,其成礦作用有
巖漿分結作用、硫
化作用、
巖漿熔離作用及熱液作用等,但
巖漿熔離成礦作用不發育,熱液作用僅佔次要地位,富硫圍
巖的
同化混染對礦床的形成有特殊的意義。
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The mineralogical characteristics suggest that different rock types of kuzigan intrusion are products of the same magma, and that the magma, instead of being affected much by fractional crystallization, has dominantly experienced equilibrating crystallization
研究表明,苦子干
巖體中的不
同巖石類型系
同源
巖漿演
化的產物;
巖漿在整個演
化過程中平衡結晶作用佔主導,分離結晶作用的影響極小。
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During the yanshanian phrase, the area is in the condition of contractional background, with multi - staged tectonic reversion. 5. through studying the origin of volcanic rocks and the characteristics of magma evolution, it concludes that there exist 3 originated areas of magma - from mantle, crust, and mantle - crust exchange. the basic magma of nandaling volcanic rocks of early jurassic is derived from upper mantle ; the magma of tiaojishan volcanic rocks of mid jurassic is formed in the contractional tectonic setting, and derived from the transition zone of crust and mantle interaction ; the acid magma of l
5 、通過
巖石
化學、微量元素、稀土元素的研究,探討了不
同級別節律的火山
巖成因、
巖漿演
化等特徵,認為本區燕山期火山
巖有三個
巖漿源區,即地幔源、地殼源和殼幔混源,早侏羅世的南大嶺旋迴的基性
巖漿,起源於上地幔;中侏羅世髫髻山旋迴火山
巖是在相對擠壓環境中,
巖漿起源於殼幔過渡帶;晚侏羅世無負eu異常的酸性
巖漿來源於下地殼的古老結晶基底的局部熔融,有負eu異常的酸性
巖漿來源於上地殼的局部熔融;早白堊世火山
巖基性
巖漿起源於上地幔,中性
巖漿起源於下地殼底部的殼幔過渡帶。
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Now, sr isotopes can be used not only to constrain the origin and evolution of magma and hydrothermal ore - forming solutions, calculate the scale and degree of lithogenesis and ascertain the relations between fluids and rocks, but also to study sea - level fluctuation, plate movement, ocean - floor spreading and lithogenic evolution
現在,鍶
同位素不僅在示蹤
巖漿及成礦熱液的來源和演
化、計算晚期成
巖改造作用的規模和程度及流體/
巖石比等方面已趨于成熟,並且越來越廣泛運用於海平面變
化、板塊活動、海底擴張、成
巖演
化等方面的研究。
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After the volcanic eruption of multi - phrase cycle - deformation, filling of basin, crustal uplifting event being studied, this dissertation tries constructing the different degree rhythm of magma activity corresponding with crust - mantle dynamic system, studying the crust - mantle deep processes. based on the studies on the characteristics of volcanic rhythm, igneous rocks assemblages, temporal and spatial distribution of igneous rocks, tectonic deformation, the author has util ized the methods of petrology, geochemistry, isotopic geology et al. to do research on the above - mentioned geological problems
通過多次幕式火山噴發-構造變形-盆地充填-地殼隆升事件序列的釐定,從火山活動節律特徵、火成
巖構造組合類型、時空分佈及其演
化和構造變形的歷史記錄,利用
巖石學、地球
化學、
同位素地質學等方法,反演深部過程與淺部響應等來闡明造山過程,建立與不
同級別
巖漿活動節律對應的殼幔動力學系統,追索殼幔深部過程,已成為當今地球動力學研究的前沿課題之一。
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This paper mainly summarizes the tectonic setting, common features, nature of the parental magmas, genesis of rhythmic layers of various types of layered intrusions, and the important roles that magma mixing and crustal contamination play in magma evolution
文中主要總結了不
同類型層狀
巖體形成的構造背景、基本特徵、母
巖漿特徵和韻律層理成因,以及
巖漿混合和地殼混染在
巖漿演
化過程中起到的重要作用。
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We might therefore retrace the tectono - magmatic evolutionary history of orogenic belts in the light of characteristics of volcanic magmatism at different forming and evolutionary stages of orogenic belts and further explore some important scientific problems of global dynamics and comparative planetary dynamics by means of comparison on larger scales
因此,可以根據造山帶形成、演
化不
同階段火山
巖漿作用的特點來重溯造山帶的構造
巖漿演
化歷史,進而從更大尺度上加以對比,探索全球動力學乃至比較行星動力學等重大科學問題。
-
We might retrace the history of tectono - magmatic evolution of volcanic magmatism at different stages of formation - evolution of orogenic belts and further explore some important scientific problems of global dynamics and comparative planetary dynamics by means of comparison in larger scales
因此,我們可以根據造山帶形成演化不同階段火山巖漿作用的特點來重溯造山帶的構造-巖漿演化歷史,並進而從更大尺度上加以對比,探索全球動力學乃至比較行星動力學等重大科學問題。