超鐵鎂巖 的英文怎麼說
中文拼音 [chāotiěměiyán]
超鐵鎂巖
英文
ultramafic rock-
Subordinate are plagioclase granite dike, layered tonalite, tonalitic conglomeration dispersed in amphibolite, ultramafic rock and metabasalt etc. plenty of igneous accumulated banding were discovered in amphibolite from nujinshan and bujing area some residual clinopyroxene also were found in a few of sample
超鎂鐵巖多為構造透鏡體分佈於斷裂帶中，多蝕變為蛇紋石巖，在牛井山及布京一帶已發現並圈定了9個巖體（塊） 。Biotite is a subordinate constituent of the mafic and ultramafic rocks generally.
黑雲母一般是鎂鐵質及超鎂鐵質巖石中的次要成分。With regard to the oxide minerals, chromite is almost entirely contained in the olivine-rich ultramafic rocks in the lower part of the intrusion.
關于氧化礦物，鉻鐵礦幾乎全部含于侵入體下部的富橄欖石的超鎂鐵質巖石中。In the granites and related rocks the alkalis are, of course, noticeably in excess of the femic constituents.
在花崗巖及有關的巖石中，堿質當然顯著地超過鐵鎂組分。Ore deposit types related to mafic - ultramafic rocks
超鎂鐵巖的地球化學及其地質意義Mafic - ultramafic rocks in permian period and minerogenitic potentialities
超鎂鐵巖及其成礦問題探討Lithogeochemistry of the sulfide - bearing mafic - ultramafic rock at baimazhai, jinping, southern yunnan
超鎂鐵質巖石有關的礦床類型The accumulation and evolution of metallogenic series of the mafic - ultramafic magmatic deposits in china
超鎂鐵巖漿礦床成礦系列的聚集與演化Metallogenic conditions and prospecting for copper - nickel type deposits in mafic - ultramafic rocks in inner mongolia
超鎂鐵巖體的年代測定及其意義Geochemical characters of mafic - ultramafic swarms in the baimazhai nickel and copper deposit, jinping, yunnan
超鎂鐵巖侵入體及銅鎳硫化物礦床的成巖成礦機制Petrochemistry and ore potentiality of the mafic - ultramafic rocks in the yangliuping cu - ni - pgf mine, sichuan province
超鎂鐵質巖型銅鎳礦床成礦條件與找礦遠景分析( 3 ) jianchaling ultrabasic intrusion belongs to magnesian ultrabasic simple rock - body, close related with yangzi block in space, which formed in the interim of proterozoic active tectonic zone to phanerozoic orgenic belt
（ 3 ）證實煎茶嶺超基性巖體為含鐵的鎂質超基性單式巖體，空間上與揚子地塊關系密切，形成於新元古代由元古宙活動帶向顯生宙造山帶過渡時期。Ultramafic rock fragments, which almost is altered to ophite, distributed in structural zone and displayed structural lens. so far, 9 fragments were discovered and mapped in nujinshan and bujing area ultramafic rock can be divided two kinds according to it ' s geochemical characteristics. one can be correlated with metaperidotite, which represented residual part that primary pyrolite underwent moderate partial melting, from some representative ophiolite melange in the world
按超鎂鐵巖類的地球化學特徵可將其劃分為兩類：一類具有較高而穩定的mgo 、較低的al _ 2o _ 3 、極低的cao ， m f值為8 . 0 ? 8 . 4 ，按標準礦物組合進行分類可定為方輝橄欖巖，且均為fa _ （ 100 ） 、 en _ （ 100 ）的鎂質端元組分；可與世界上一些典型的蛇綠巖套中變質橄欖巖進行對比，代表了原始地幔中等部分熔融作用后殘余物。There are over 30 mafic and ultramafic intrusions in the area and cu - ni sulfide ore bodies were found in no. 1 and no. 7 ultramafic intrusive bodies which exhibit obvious zoning and cumulate texture
區內出露30多個鎂鐵超鎂鐵質巖體，其中1 、 7號超鎂鐵巖體中賦存銅鎳硫化物礦（床）體。Compared with jianchaling nickel sulflde deposit, jinchuan superlarge copper - nickel sulflde deposit mostly related with mafic - ultramafic complex that multiple intruded, spatially respected with old huabei block, which formed in marginal rift in middle - new proterozoic
與煎茶嶺鎳礦床相比，金川超大型鎳銅硫化物礦床主要與多次侵入的鎂鐵?超鎂鐵質雜巖有關，空間上與時代相對較老的華北地塊關系密切，形成於中?新元古代的邊緣裂谷。Substance of rock - forming and ore - forming in both jianchaling and jinchuan nickel deposit mainly derived from the upper mantle, but the former source is relatively depleted mantle. on the other hand, there exsisted the crustal contamination during the formation of the two mineral deposits, the later contaminated poorly and gave priority to deep contamination. ( 5 ) by the comparative study of jianchaling with jinchuan nickel sulflde deposit, it is pointed that small basic - ultralbasic complexes which dis
（ 5 ）通過對煎茶嶺和金川鎳礦床的比較研究，結合對國內外有關巖漿鎳礦床的比較分析，根據我國的地質特點，提出沿較老地塊邊緣分佈的特別是沿華北地塊北緣分佈的基性?超基性小雜巖體，是找尋大而富的硫化鎳礦床之有利找礦方向；而對較老地塊內部的鎂鐵質侵入體，亦應給予高度注意。Throughout researching it has been found that three main types of copper deposits, which mafic - ultramafic rock, marine volcanic rock and porphyry, with middle proterozoic, paleozoic and mesozoic in gansu, china. the cu - bearing formation, deep major faults and late structural - magmatic zones formed in specific geotectonic setting are main ore - controlling and metallogenic factors for copper, gold and polymetallic minerals in this area, and their convergent positions are effective ones formed ore bodies in space
通過研究認為：鎂鐵質-超鎂鐵質巖型、海相火山巖型及斑巖型三種銅礦類型，是甘肅的主要銅成礦類型，其主成礦階段為中元古代、古生代以及中生代；特定大地構造背景下形成的含礦建造、區域性深大斷裂以及後期斜向構造-巖漿活動帶，是該區銅、金及多金屬成礦的主要控礦因素，三者在空間上的復合是礦床體形成的有利部位。分享友人