巖漿富集 的英文怎麼說
中文拼音 [yánjiāngfùjí]
巖漿富集
英文
magmatic concentration-
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。The conclusion is that the enrichment of pt, pd is controlled by big and deep fractures, that emeishan basalt is one of the sources of pt and pd, and that basic - ultrabasic rock offers the ore - forming elements and the ore forming energy
指出研究區的深大斷裂對鉑族元素的富集表現出很好的控製作用,峨眉山玄武巖為鉑族元素的礦源層之一,巖漿巖為鉑族元素的富集提供了成礦物質及成礦能量。Since first used in the wujiangdu hydraulic power station with success, high - pressure grouting ( orifice - closed grouting method ) spreads rapidly in the carst region and lots of experience are accumulated
高壓灌漿(即孔口封閉灌漿法)自烏江渡電站首次採用並取得成功后,在巖溶地區得到了迅速的推廣,集累了十分豐富的實踐經驗。Such features can be ascribed to lower degrees of partial melting and greater melting depths. in particular, the decoupling between the lowest nag and highest tig tends to indicate residual jadeite during melting process so that na behaved as a moderately compatible element to lower the naao concentration in these rocks. this is consistent with the ree patterns in the high - ti diabases that have the highest ( gd / yb ) cn ratios than other two groups, which suggest a more important role of residual garnet in generation of the primary magmas
運用mgo = 8進行標準化,結合巖石成因理論討論了三大系列輝綠巖的形成相對深度和熔融比例,其中高ti系列的原始巖漿形成深度大,熔融比例小,源區相對最為富集易熔組分;低ti系列的熔融深度最淺,比例最大,源區相對虧損易熔組分;過渡ti系列則介於前兩大系列之間。Cu - ni sulfided mine complex locate in baimazai of jinping county is sub alkali iron - super iron, it ' s zoning is clear and it ' s ni - cu - co melting first and enrichment, its rare earth is rich in right lean light rare earth, but eu in olive rock is serious to be bad, gd - tb is tittles negative abnormity. above - mentioned show that the mineral is cone from mantle, and didn " t mix with crustal substance, and continent tholeiite magma turning into continent tholeiite emplacement after by surging
金平白馬寨銅鎳硫化礦床雜巖體分帶明顯、屬亞堿性鐵質-超鐵質巖、具ni - cu - co三元素先熔離,后富集的規律、稀土配分為右傾斜輕稀土富集型,但橄欖巖銪虧損顯著, gd - tb微小負異常,顯示成礦物質來源地幔,與地殼物質無混染和大陸拉斑玄武巖漿上涌后變為大洋拉斑玄武巖漿侵位特點。It is very important that the understanding of regional metallogenic rules should be emphasized and the thinking of exploration and research opened up. in this thesis, mainly metallogenic types, tectonic setting, space - time distributions and the ore - controlling and metallogenic conditions for copper ore deposits in gansu province are studied on based inducing past formation which basic theories and methods of the modern geology, mineral deposits and related learning are applied and a serious of formation synthesized throughout depending on guide of regional. - metallogenic theories. a rule of development, enrichment and regional metallogeny would be preliminary summaries in terms of analyzing mineral prospecting for gansu ' s copper, gold and polymetallic minerals, and the relation between the indosinian - yanshan structural - magmatic activities is studied and exploration prospect and positions analyzed as well as a new countermeasure and thinking about research for minerals in this area be suggested
本論文在總結、分析前人成果資料基礎上,以區域成礦學理論為指導,運用現代地質學、礦床學及相關專業、學科的基本理論與方法,綜合多種成礦信息,對甘肅省銅礦主要成礦類型及其成礦地質構造背景、時空分佈特徵與主要控(成)礦條件進行了研究;從礦產勘查的角度,初步總結了甘肅銅、金及多金屬礦產的發育、富集與區域成礦規律;探討了印支-燕山期構造-巖漿活動與大型-超大型銅礦床的形成關系;研究分析了甘肅銅礦資源的勘查前景與找礦方向,提出了該區礦產勘查研究新思路。Given their oib - type trace element pattern and depleted sr - nd isotop ic composition, the datong alkali basalts are interpreted to be generated within the asthenospheric mantle but at a shallow depth compared to the yangyuan alkali basalts. the datong tholeiitic basalts exhibit low snd values ( 1 - 4 ). their sr - pb and nd - pb isotopic correlations are consistent with a mixing between the depleted mantle and emi - like component
大同地區第四紀時期同時產出堿性和拉斑玄武巖,堿性玄武巖也主要來自於軟流圈地幔,巖漿起源深度小於陽原樣品;拉斑玄武巖具有較低的nd ( nd = 1 - 4 ) , pb - nd以及pb - sr同位素相關關系暗示其可能是dm和型富集地幔( emi )組分之間混合的結果,反映了軟流圈和巖石圈地幔之間的相互作用,巖漿起源較淺。Beginning with the features of regional geophysical and geochemical fields in bazinao - zhanggongshan area, combinied with the available data of regional basic geology, this paper has put forward five i or ii grade potential au, sn enrichment zones on the basis of geophysical and geochemical metallogenic conditions of regional strata, magmatic rocks and structures
摘要從八字腦彰公山地區的區域地球物理場、區域地球化學場特徵分析入手,結合區內已有區域基礎地質資料,研究了區域地層、巖漿巖、構造的地球物理地球化學成礦條件,提出了5個金、錫礦i 、級資源富集遠景區。This paper has studied the ore - forming process of this ore belt and magmatic rocks, major vein rocks, wall rock alterations, trace elements and geochemical characteristics of various epochs, probed into the regularity of element enrichment and variation, and established geological - geochemical ore - prospecting criteria
研究該礦帶成礦作用和在不同時代巖漿巖、主要脈巖、圍巖蝕變、微量元素及地球化學特徵, ?解元素富集變化規律,建立了地質地球化學找礦標志。It is believed that the distribution of gold deposits in fujian is controlled by regional deep - seated structure and precambrian volcanic flysch formation containing charcoal is main gold source rock. the accumulation of gold is closely related with yanshan granitic magma intrusion
金礦空間分佈受一定的區域深部構造單元所制約,前寒武系富含炭質的火山復理石建造是福建省金礦的主要礦源巖,金的富集成礦與燕山期花崗巖類巖漿侵入作用密切相關。In the late stage of mineralization occurred in the hercynian period, a widespread strong modification of ores or mineralized rocks of early stage caused by intrusion of parental magma of granite - porphyry leads to further enrichment of gold element and eventual formation of the gold deposit
第二期成礦作用是在海西構造運動中,由於花崗斑巖原始巖漿的侵入活動使早期的礦石或礦化巖石受到較強烈改造,使其中的金得到進一步富集,從而構成了現在的礦體。The study covers regional stratigraphy, regional geological structures and their evolution ; deep - large fracture system and building - moutain straps in the basin ; distributing of mineralization concentration area and mineralazition characteristics of different metal fields ; volcanic magmatic activity and magmatic distributing ; the petrology, element geochemistry features of the magmatic rock series ; the relationship between magmatic distributing and mineralization ; the relationship between magmatic forming - age and mineralization ; the relationship between magmatic form and mineralization ; source of mineral materials, source of hydrothermal solution and source of mineralizing agent ; transport forms of metal in the solution ; the ore - forming geochemical mechanism, etc. it turns out as follows : ( 1 ) lanping basin formed in the linkup of the plates and it was propitious to form deep - large fracture
研究內容包括:區域地層及區域構造演化;盆地深大斷裂系統及造山帶;區域地球物理場;礦集區礦床的時空分佈、礦化特徵;巖漿巖活動與巖漿巖分佈;巖漿巖巖石學特徵;巖漿巖元素地球化學特徵;巖漿巖分佈與成礦的關系;巖漿巖成巖時代與成礦的關系;巖漿巖組成與成礦的關系;成礦物質的來源,成礦流體的來源;成礦物質搬運、富集的地球化學機理等。研究結果表明:蘭坪盆地發育于板塊的拼接地帶,有利於發育深大斷裂系統。With the management software, the geological features of chinese ni - cu ( pge ) sulfide deposits are studied, the metallogenic features of small intrusions are presented, and their enrichment regularity is deduced
藉助空間數據庫軟體對中國鎳銅鉑族巖漿硫化物礦床進行地質研究,總結了中國此類礦床的小巖體成礦特徵和富集規律。The stratums containing mine, tectonic - hydro thermally process, magma activity, alteration react to district mineralization in degrees. the belt of granite facies, the inside and outside contact belt of rock body, the joining belt of tectonic - hydro thermally superimposed, the stratum belt of unconformity contact are the main enrichment belt
含礦地層及礦源層、構造-熱液作用、巖漿活動、變質作用都在不同程度上對區域成礦起作用,而花崗巖相變化帶、巖體內外接觸帶、構造?熱液疊加交匯帶、地層不整合接觸帶則為金礦化主要富集帶。分享友人