玄武巖質的 的英文怎麼說
中文拼音 [xuánwǔyánzhíde]
玄武巖質的
英文
basaltic- 玄 : Ⅰ形容詞1 (黑色) black; dark 2 (深奧) profound; abstruse; recondite 3 (不實在; 靠不住) unrel...
- 武 : Ⅰ形容詞1 (關于軍事的) military 2 (關于技擊的) connected with the art of attack and defence in...
- 巖 : 名詞1. (巖石) rock 2. (巖峰) cliff; crag
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 的 : 4次方是 The fourth power of 2 is direction
- 玄武 : 1 (烏龜) tortoise2 (二十八宿中北方七宿的合稱) seven constellations of northern sky3 (道教所...
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All indications are that it is everywhere basaltic and relatively constant in composition.
所有的跡象只表明海洋地殼處都是玄武巖質的,組成也比較穩定。Even at meridiani, basaltic sands lie atop the lake sediments, indicating that the site has been parched for two billion to three billion years
甚至在子午線地盤,玄武巖質的沙披覆在湖床沉積物上,顯示此地已經乾涸了20 ~ 30億年。The bulk of the volcano is basaltic, but the slopes are dotted with cones and lava flows consisting of glassy, silica - rich lavas called dacites
此火山的主體是玄武巖,但是山坡卻點綴著由石英安山巖(一種玻璃質、富含矽的熔巖)形成的熔巖錐和熔巖流。Whereas the rocks in the ancient heavily cratered terrains were basaltic, the younger rocks of the northern lowlands resembled a more highly evolved type of lava called andesite : they contained more glass, more silica - rich minerals and fewer iron - bearing minerals
古老、充滿坑洞的地區,巖石屬于玄武巖,但北方低地較年輕的巖石卻類似一種更高度演化、稱為安山巖的熔巖:它們含有較多玻璃質、較多富矽礦物、以及較少含鐵礦物。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。There are distributed a great number of cenozoic basalts and mantle derived xenoliths in north china and south china. for understanding the materials constitutes, evolution, mantle metasomatism, and inhomogeneity of the lower crust and upper mantle, there is a must of doing some research on these host basalts and the xenoliths
華北、華南地區發育大量新生代玄武巖及幔源包體,對其進行研究,有利於進一步深入了解下地殼和上地幔的物質組成、演化、地幔交代和不均一性以及地球物理反演結果的可靠性等。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。In this article, model of geological conception in panzhihua - xichang area is established, and then the authors used gis as the tool to analyze the pge ore - forming geological conditions, including geological structure, emeishan basalt, basic - ultrabasic rock and pge geochemical abnormal
本文在建立攀西地區鉑族元素礦床地質概念模型的基礎上,用地理信息系統( gis )分析了該地區的鉑族元素成礦地質條件,包括地質構造、峨眉山玄武巖、基性一超基性巖和鉑族元素地球化學異常特徵。Field investigations found that epigenetic reworking deformation fracture include 3 types, named normal relief fracture, fracture filled mud and epigenetic reworking of disturbed belts. and epigenetic reworking of rock mass structural also includes gradual deformation of the blocks that are made up of different attitudes structural planes besides normal relief. through field geological investigations, the features of rock mass structural planes are generalized, especially development laws of interlayer shearing belts, instrastratal shearing belts, faults and base crack
在已有研究成果基礎上,總結了壩區玄武巖的巖相特徵和構造應力場對巖體結構的影響;通過現場調查,總結了3種類型淺表生變形破裂,即正常卸荷型破裂、鬆弛夾泥型破裂和緩傾角錯動帶表生改造;通過野外地質調查,總結了層間錯動帶、層內錯動帶、斷層和基體裂隙的發育規律。Basalt have importance meanings on deduce the earth ' s mantle material composition, analysis tectonic environment and the geosphere deep dynamics research
摘要玄武巖在反演地幔物質成分、分析構造環境和巖石圈的深部動力學研究中具有重要意義。Major, trace element composition and sr - nd - pb isotopes of the cenozoic basalts from yangyuan ( hebei province ) and datong ( shanxi province ), which are located to west of the daxinanling - taihanshan gravity lineament, as well as mineral chemistry, major and trace element composition and sr - nd isotopes of mantle xenoliths from yangyuan are reported in this thesis
本文報道了大興安嶺-太行山重力梯度帶以西河北陽原和山西大同新生代玄武巖的元素和sr - nd - pb同位素地球化學及陽原幔源包體的礦物化學、元素和sr - nd同位素地球化學,據此對華北克拉通西部上地幔的性質和過程進行了初步討論。The lower member of typical ophiolite suit is exposed at outsides of the qimanyuter ophiolite melange and in between, there distribute the basalt, deep sea limestone and silicalites. these different litho - members contact to each other with ductile shear zones
帶內蛇綠巖套下部單元出露于兩側,玄武巖和相關的深水灰巖、硅質巖等分佈於中部,各單元間均以韌性剪切帶接觸。We deduce that it is a relic old crust that was brought upwards during the formation of neo - tethyan ophiolite. the step heating 40ar - ' 9ar spectra show that during 100ma, luobusha ophiolite suffered intensely alternation, which affected distinctly the k - ar system ; during 771ma some basalt formed in the country rock of xiubugabu ophiolite ; during 55ma, the pillow basalt of rikangba ophiolite affected by a strong thermal event ; all the variety of ages illustrates possible impacts of the subduction - collision between india and eurasia. through dissecting mainly the gabbro of luobusa ophiolite and studying the 40ar / 39ar
~ ( 40 ) ar ~ ( 39 ) ar階段升溫年齡圖譜顯示, 100ma左右羅布莎巖體經歷了較強的後期蝕變作用,對其k ? ar體系造成明顯影響; 77 1ma休古嘎布巖體圍巖中形成玄武質火山集塊巖; 55ma日康巴巖體巖石枕狀玄武巖受到較強熱事件影響;這些~ ( 40 ) ar - ~ ( 39 ) ar年齡上的變化顯示了印度板塊與歐亞板塊俯沖?碰撞對該區的強烈影響。The alkaline basalts in southern hunan are suggested to have formed by small degrees of decompression melting of the asthenosphere mantle during the initial extension. the transitional ( the chebu gabbro ) and tholeiitic basaltic magmas were generated by relatively larger degrees of partial melting of the mantle
在裂谷初期,軟流圈地幔的小比例部分熔融形成堿性玄武巖(湘南) ,在裂谷拉張作用比較強、地幔部分熔融比例比較大時形成贛南和湘南的過渡型(車步輝長巖)及拉斑質玄武巖。The control of the deep - seated structural - magmatic process over the metallogenic system around the middle - lower yangtze river reaches is shown as : ( 1 ) the mantle uplift belt is closely related to the general geological background of the metallogenic system ; ( 2 ) the primitive magma originated from different parts of the mantle uplift belt ( mantle ridge or mantle slope ) shows differences in style of formation and composition and results in different magmatic series and metallogenic subzones, respectively ; ( 3 ) the varying depths of structural - magmatic chambers may form a " three - layered structure " ( central type, network - like and ring - like ) and this is the primary factor that controls the different magmatic series and the concerned cluster of ore deposits ; ( 4 ) the alkaline basaltic magma derived from the mantle ridge forms high - potassium and calcium alkaline magma and shoshonitic magma due to its altering intensity of afc process with the lower crustal material, which has something to do with the copper - gold and iron - sulphur metallogenic subsystems, respectively
深部構造巖漿作用對長江中下游成礦帶安徽沿江地區成礦系統的控製表現為: ( 1 )地幔隆起帶與成礦系統的總體地質背景的演變密切相關; ( 2 )源於地幔隆起帶不同部位(幔脊與幔坡)的原始巖漿,其生成方式和物質組成不盡相同,它們分別產生相應的不同巖漿巖系列和成礦亞帶; ( 3 )不同深度的構造巖漿房組成中心式網格式環帶式「三層結構」 ,是控制區內不同巖漿巖系列及有關礦床集中分佈的主要因素; ( 4 )源於地幔隆起帶脊部的堿性玄武巖漿,由於與下地殼物質發生的afc作用強度不同,形成了高鉀鈣堿性巖漿和橄欖安粗巖漿,分別與銅、金成礦亞系統和鐵、硫成礦亞系統有關。Mineral aggregate is the most important factor to influence the moisture susceptibility of asphalt mixture while without additives, the granite is the worst which can ’ t meet the specifications, the basalt is good which can meet the specifications in some cases, the limestone is the best which can meet the specifications all time
礦物集料的性質對瀝青混合料水穩定性影響最大,無添加劑時,花崗巖瀝青混合料水穩定性最差,不滿足使用要求;玄武巖瀝青混合料水穩定性中等,不一定總滿足使用要求;而石灰巖瀝青混合料水穩定性最好,可以滿足使用要求。Penghu islands, mainly composed of basalts, enjoy well - developed columnar joints that create many dramatic geological and landscape types of scenery
摘要澎湖群島主要由玄武巖構成,島上有各式各樣獨特的地質、地貌景觀。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。At last the rhythm of yanshanian volcanic rocks is classified into three series such as alkaline basalt, hkca, calc - alkaline shoshonite. 4. based on the study of rock series, assemblage of igneous rock, characteristic of geochemistry, trace effect of isotope, the yanshanian volcanic rocks of yanshan - liaoning area are mainly calc - alkaline series, which should belong to the products of near continental margin of intracontinental tectonic setting
3 、在火山活動節律的劃分、區域對比的基礎上,研究了各級節律火山巖的巖石學、礦物學、地球化學和同位素地質學特徵,將研究區燕山期火山巖劃分為堿性玄武巖系列、高鉀鈣堿性系列和鉀玄巖系列。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
該混雜巖帶所包含的主要巖性單位包括:蛇紋巖(變輝橄巖) 、橄欖輝石巖、層狀輝長巖、輝長巖、輝綠巖席、枕狀、塊狀、杏仁狀玄武巖,與之共生的沉積巖為紫紅色硅質巖、深灰色硅質巖、薄層灰巖等。分享友人