橄欖巖 的英文怎麼說
中文拼音 [gǎnlǎnyán]
橄欖巖
英文
dunite-
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
本文通過巖體的結構、構造變形及相應的變質作用研究,提出了該橄欖巖體是由超基性巖漿在殼幔過渡帶結晶而成,並經歷了與圍巖一致的麻粒巖相( 800 )條件下的早期塑性變形以及角閃巖相和綠片巖相退化變質條件下與逆沖上升有關的韌性剪切變形。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。The chromite deposits in the muskox complex occur only in feldspathic peridotite.
在穆斯科克斯雜巖體中,鉻鐵礦礦層僅產于長石質橄欖巖中。The ophiolite massifs are composed of mantle peridotite that is mainly harzburgite and dunite, and lacked of crust magmatite within the typical ophiolite suite
摘要該蛇綠巖帶的巖體由地幔橄欖巖組成,主要巖石類型是方輝橄欖巖和純橄欖巖,缺少典型蛇綠巖剖面中的洋殼單元。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。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) 、橄欖石、純橄欖巖、輝石巖、二輝橄欖巖、巨晶輝石的電導率測量是在新的測量系統下獲得的,而輝長巖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。Below the lithosphere is the rheosphere comprising partly fused peridotite.
巖石圈之下是由部分熔融的橄欖巖所組成的軟流圈。The magnesite originated from the peridotite by weathering.
菱鎂礦是由橄欖巖風化形成的。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。Serpentinite is the least altered member of the peridotite suite.
蛇紋巖是橄欖巖組蝕變最輕微的分子。This may be up to 50km thick and comprises ultrabasic peridotite.
其厚度可達50公里並由超基性的橄欖巖所組成。Ore - control role of ultra - magnesium peridotite in houxianyu boron ore district, yingkou, liaoning province
遼寧營口后仙峪硼礦區超鎂橄欖巖的控礦作用Research on quantitative relation between multi - angle polarized reflectance and bi - directional reflectance of peridotite
橄欖巖的多角度偏振與二向反射定量關系研究A great number of lherzolite xenoliths occurs within the volcanic clastics characterized by terrigenous central type eruption at tianyang, jiudouyang and yingfenglin of qingtongyang, of southern leizhou peninsula
摘要雷州半島南部田洋、九斗洋及青桐洋的英峰嶺等陸相中心式噴發的火山碎屑巖中,分佈有大量的二輝橄欖巖包體。These studies, therefore, suggest that the songsugou peridotite is not a tectonic massif of the upper mantle but a ultramafic magmatic rock body crystallized in deep crust and tectonically emplaced in the upper crust
從而證明了松樹溝橄欖巖體並不是上地幔巖石的殘片,而是由巖漿在深部地殼環境下結晶而成並以固態構造侵位於地殼的上部。The xenoliths in the yangyuan, including iherzolite and harzburgite, represent the direct samples from the upper mantle beneath western north china craton
陽原幔源包體包括二輝橄欖巖和方輝橄欖巖,是華北西部上地幔的直接樣品。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。Discovery of native iron in olivine of garnet lherzolite in chijiadian and its significance
在遲家店石榴石二輝橄欖巖的橄欖石中發現自然鐵及其意義Directions are obtained by two means : calculation and measure. our investigations are summed as follows : 1 the lpo relations between olivine and orthopyroxene are different from usually situations : 100ol 001opx, 010ol 100opx, 001ol 010opx ; 2 the seismic anisotropy of the ultramafic rocks in damaping is obvious. their characters are consistent with the structures of the rocks and fabrics of minerals, which means seismic anisotropy is mainly controlled by rocks fabrics ; 3 seismic velocities suggest that the composition of upper mantle in damaping region is resemble to the xenoliths, which major component is lherzolite
不同2大麻坪地區幔源包體的波速各向異性顯著,巖石的波速各向異性特徵與其宏觀構造和微觀組構一致,說明巖石組構是造成地震波速各向異性的決定因素3由地震波速推測的大麻坪地區的上地幔成分與包體出露的情況一致,即主體為二輝橄欖巖。According to the sr - nd isotopic characteristics of peridotite xenoliths and their host basalts, it indicates that xenoliths in hannuoba, puning area may represent source area of the host basalt because of the xenoliths and host rocks being in the same plot ; however, the xenoliths is not directly related to their host rocks of the others area for the xenoliths plot out of the range of their host basaltic rocks. thermal dynamics calculation shows that the peridotite xenoliths are formed in the condition of pressure of 9. 45 - 25kb and temperature of 945 - 1281
橄欖巖包體及其寄主玄武巖的sr - nd同位素研究表明,漢諾壩與普寧地區部分包體樣品投點落在其寄主玄武巖nd和sr同位素的分佈范圍內,表明橄欖巖包體代表了寄主玄武巖的源區,而其它大部分地區的包體其寄主玄武巖范圍之外,表明寄主玄武巖和橄欖巖包體無成因聯系,橄欖巖包體只是偶然包體。分享友人