橄巖 的英文怎麼說

中文拼音 [gǎnyán]
橄巖 英文
peridotite
  • : 名詞(姓氏) a surname
  • : 名詞1. (巖石) rock 2. (巖峰) cliff; crag
  1. During diagenetic process, there may exist the fractional crystallization of clino - pyroxene, plagioclase, olivine and ti - fe oxide, and the accumulation of olivine. the alkalic - ultramafic dikes formed by low degree partial melting ( 3. 4 % ) of enriched mantle, consist of single olivine pyroxenolite, the dominating olivine fractionation is evident

    成因上為富集地幔部分熔融作用的結果,但在成過程中也可能存在單斜輝石、斜長石、欖石和ti - fe氧化物等礦物的分離結晶作用。
  2. Based on the studies of petrotexture, structural deformation and the relevant metamorphism, this paper indicates that this peridotite massif is the product of ultramafic magma cumulated at the crust - mantle transtion zone and has undergone the early stage of plastic deformation under the condition of granulite facies ( 800 ) and late ductile shearing at amphibolite and greenschist facies in relevance to uplifting

    本文通過體的結構、構造變形及相應的變質作用研究,提出了該體是由超基性漿在殼幔過渡帶結晶而成,並經歷了與圍一致的麻粒相( 800 )條件下的早期塑性變形以及角閃相和綠片相退化變質條件下與逆沖上升有關的韌性剪切變形。
  3. 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

    石化學、微量元素、同位素地球化學證據都表明,華北、華南地區的火山根據源和局部熔融程度的不同,可以分為兩個原生漿系列:一個是源為尖晶石二輝,隨著局部熔融程度的增加,形成的碧玄漿-堿性玄武漿-欖拉斑玄武漿;另一個是源為石榴石二輝,隨著局部熔融程度的增加形成的霞石漿-堿性苦玄武系列。
  4. The chromite deposits in the muskox complex occur only in feldspathic peridotite.

    在穆斯科克斯雜體中,鉻鐵礦礦層僅產于長石質中。
  5. 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欖石的超鎂鐵質石中。
  6. The ophiolite massifs are composed of mantle peridotite that is mainly harzburgite and dunite, and lacked of crust magmatite within the typical ophiolite suite

    摘要該蛇綠帶的體由地幔組成,主要石類型是方輝和純,缺少典型蛇綠剖面中的洋殼單元。
  7. 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、二輝、單斜輝石、純、方輝、石榴石二輝、金雲母二輝、榴輝;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,可以推斷出石圈厚度可達204 . 9km ;綜合石圈物質組成特徵、石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源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。
  8. Electrical conductivities of quartz, olivine, dunite, iherzolite, pyroxenite, and megaaugite were measured by virtue of the new system ; whereas, the electrical conductivity of gabbro was measured by means of the old one. an interesting outgrowth of the present study is the measurement of the complex impedance of a series of quartz plates with different orientations

    石英(人造水晶) 、欖石、純、輝石、二輝、巨晶輝石的電導率測量是在新的測量系統下獲得的,而輝長的電導率測量是基於lcr儀為測量儀器的測試系統下獲得的。
  9. Siziwangqi of inner mongolia is located on the north margin of north china craton, the junction of north china craton and siberia. granulite xenoliths are found there in cretaceous basalt. these xenoliths are mainly plagioclase - pyroxenite

    內蒙古四子王旗地區地處華北板塊北緣,與西伯利亞板塊的接合部,其早白堊世欖玄武中發現大量下地殼麻粒捕虜體,並可見輝石長石捕虜晶。
  10. The determinative characteristics of common rock forming minerals containing quartz group, feldspar group, mica group, hornblende group, pyroxene group, olivine group and carbonatite minerals will be discussed in greater detail

    對常見造礦物,如石英類、長石類、雲母類、角閃石類、輝石類、欖石類、碳酸鹽類礦物的鑒定特徵將予以詳細的說明。
  11. Below the lithosphere is the rheosphere comprising partly fused peridotite.

    石圈之下是由部分熔融的所組成的軟流圈。
  12. The magnesite originated from the peridotite by weathering.

    菱鎂礦是由風化形成的。
  13. High - mg volcanic rocks approach the primitive mantle compositions, and their magmatic source is close to the composition of bse, derives from the lower mantle and formed by this type - mantle rocks " fractional melting highly ( > 25 % ). high - mg volcanic magma, formed in the axis of the emei mantle plume, underwent the crystallization differentiation of olivines and some pyroxenes ; some olivines reflect fair cumulus crystallization

    高鎂火山接近於原始漿的組成,漿源區與地球平均成分bse的成分特徵相近,起源深度為下地幔,為該地幔較高程度的部分熔融( 25 )而形成的。高鎂火山處于地幔柱的軸部,經歷了欖石及一定程度的輝石分異結晶,並且欖石顯示出一定的堆晶作用。
  14. Monticellite nepheline basalt

    鈣鎂霞玄武
  15. Near the border zone an important string of nickeliferous peridotites is emplaced.

    在靠近交界上有重要的一連串的含鎳體的侵入。
  16. The olivine grains in the troctolite of the upper zone are rather short and thick.

    中的欖石顆粒相當短粗。
  17. 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,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套中變質進行對比,代表了原始地幔中等部分熔融作用后殘余物。
  18. A recent discovery of peridot in the cashmere region of pakistan has renewed its popularity

    變質的含鐵沉積物和白雲石灰中,完全由欖石構成。
  19. This new source of peridot displays a beauty of color and transparency not found in the earlier sources

    欖石也是構成石隕石的主要礦物之一。欖石不含石英,因此不能生於花崗中。
  20. Qimanyuter ophiolite melange crops out 1 - 3 km in width and extends ew - nee about 50 km, parallels to the kunlun mountains. qimanyuter ophiolite melange is composed mainly of serpentinite ( metapyrolite ), peridotite, bedded gabbro, grbbro, diabase sheet and pillow - like and massif basalt as well. associated sedimentary rocks with this ophiolite melange include silicalite, dark gray silicalite and thin - bedded limestone

    該混雜帶所包含的主要性單位包括:蛇紋(變輝橄巖) 、欖輝石、層狀輝長、輝長、輝綠席、枕狀、塊狀、杏仁狀玄武,與之共生的沉積為紫紅色硅質、深灰色硅質、薄層灰等。
分享友人