玄武巖流 的英文怎麼說
中文拼音 [xuánwǔyánliú]
玄武巖流
英文
basalt flow- 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
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 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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There are three genetic types of mineral deposits in the beiya ore district : cu - au polymetallic deposits related to alkaline porphyries, comprising porphyritic cu - au deposits and polymetallic skarn deposits related to quartz - albite porphyry and quartz - k - feldspar porphyry ; fe - au deposits related to gabbro or basalt magma, consisting of magmatic fe - au deposits and sedimentary polymetallic deposits formed in caves and lakes ; and palaeo - placers formed at the weathering surface, in lakes and in karsts
北衙金礦有3種成因不同的礦床:與堿性斑巖有關的銅金多金屬礦,包括與石英鈉長斑巖和石英正長斑巖有關的斑巖型銅金礦床和矽卡巖型多金屬礦床;與輝長玄武巖漿有關的鐵金礦床,包括熔漿型鐵金礦床和噴流沉積型多金屬礦床,後者又有洞穴和湖相沉積環境之分;及古砂礦,有古風化殼型砂礦、河湖相古砂礦和洞穴沉積古砂礦。The rock assemblages of the bayinbuluke formation are mainly alkaline basalt - thick andesite - alkaline rhyolite
火山巖巖石組合以堿性玄武巖粗安巖堿性流紋巖為主。You should note how the enhanced potassium values over the rhyolite plug within the area of basalts become progressively less obvious with increasing broader smoothing.
你應當注意的是,處于玄武巖區內的流紋巖巖頸上較高的鉀濃度值,隨著平滑程度的增大而逐漸變得不明顯了。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。The cast basalt tiles may be used in all kinds of ways. such as : the liner of coal bunker of power station, the lining of dust cyclone, the liner of chemical storage tank and warehouse for corrosion material, the floor material for chemical plants and lowfriction vehicle testing surface etc
玄武巖鑄石板主要用於襯砌火電廠煤倉,各種規格旋風除塵器、旋流器、鋪設各類化工廠地面,汽車剎車試驗場地面等,也可用於襯砌酸洗槽或儲存腐蝕性物品的貯存室。The compositions of usual elements and rare earth elements and inclusions of corundum megacrysts related to alkali basalt in changle, shandong province, are analyzed. in the main parts of corundum megacrysts are a large number of fluid - melting inclusions, zircon, ta - columbite inclusions, and in the central crystal core are a large number of melting inclusions. the corundum megacrysts were formed in different periods and different physical chemistry conditions. the crystal core was formed in magma system, and the main parts were formed in inhomogeneously geochemical conditions in which magam and fluid phases coexisted
分析山東昌樂與堿性玄武巖有關的剛玉巨晶不同部位的常量元素、稀土元素及包裹體組成.剛玉巨晶的主體以大量流體?熔體包裹體、鋯石、鈮(鉭)鐵礦包裹體為主,而巨晶中的「晶核」部位則以大量的熔體包裹體為主,反映研究區的剛玉巨晶是在不同的階段形成的.剛玉「晶核」以及「銅皮剛玉」形成於熔體相為主的體系中,而主體剛玉則形成於熔體?流體過渡的急劇變化的不均一的地球化學環境中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。From the spatiotemporal distribution of the volcanics of kalagang frn. and tiaohu fm., we can see that there are not only eruptive facies such as rhyolite but also effusion facies such as andesite, basalt and shallow intrusive rock inside the basin
從三塘湖盆地下二疊統卡拉崗組及中二疊統條湖組火山巖的時空分佈特徵可以看出,研究區既發育噴發相的流紋巖,又發育溢流相的玄武巖、安山巖及淺成侵入巖。The pges abundance patterns of residual mantle rock with a peleo - subduction background is characterized by pd, pt depletion and ir, ru relatively enrichment, while the basalt and basic dyke by the processing of partial melt in the same background take an opposite feature of pd, pt enrichment and ir, ru depletion. the existence of fluid in the subduction zone increases the degree of partial melt on the one hand, and on the other, activates the activity of pd, pt compare to ir, ru, and thus reduces the pd ir and pt ru in residual mantle rock. the pges patterns for basalt and basic dyke from two carboniferous volcano zones to south qoltag and north turpan - hami basin, xinjing uigur autonomous region, take a shape of gentle positive inclined curve with lower pt and pd differentiation and lower pges. all these features are obviously different from that of basic dyke and basalt from typical ophiolite and therefore the author believe that their fluid - rich paleo - subduction zone environment can be ruled out
古俯沖帶背景下的殘餘地幔巖的pges配分以pd , pt明顯虧損和ir , ru相對富集為特徵,而部分熔融產物的玄武巖和基性巖脈則呈現相反的ir , ru明顯虧損和pd , pt相對富集特徵。俯沖帶中流體的參與一方面增加了部分熔融程度,有利於pd , pt從原始地幔進入熔融相另一方面,流體的作用使得pd , pt相對于ir , ru遷移活動性效率提高,造成地幔巖中Four major rock types are found within the reserve. from the oldest to the youngest, they are the tuffs with volcanic bombs, granodiorites, porphyritic rhyolites and basaltic dykes, respectively. geomorphologically, the marine reserve has typical exposed rocky shore of south - easterly - directed capes and headlands in hong kong
鶴咀海岸保護區內可以找到四種主要巖石種類,以巖石形成的年代計算,最古老的是火山爆發形成的凝灰巖,然後依次是花崗閃長巖,流紋斑巖及玄武巖。Though matrix material from basalt is better than trachyte, the pore throats of trachyte reservoirs are better developed than basalt in respect of pore structures ; the overflow reservoirs have the best petrophysical conditions in trachyte and then the expulsion facies is the next
但從孔隙結構特徵看,粗面巖儲層孔喉較玄武巖發育程度好,粗面巖中以溢流相儲層物性條件最佳,噴發相次之。These deposits, which can be obviously divided into basic and acid volcanic types, are present in the carboniferous bi - model volcanic series and occur along two horizons, i. e., the lower carboniferous mafic volcanic rock and the upper carboniferous felsic volcanic rock
這些礦床產在石炭系雙峰式火山巖系之內,沿著下石炭統基性火山巖和上石炭統酸性火山巖兩個層位產出,分別以玄武巖和流紋巖為容礦主巖,可以明顯地分成基性火山巖型和酸性火山巖型兩種類型。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。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。The mantle source for the mesozoic mafic volcanic rocks in yanshan area exhibit transition character in space and time : the mantle source components vary from subduction - related metasomatic components and emi components through dominant emi components and slight subduction - related metasomatic components to emi components ; spatially, mantle source of the volcanic rocks show a regular variation trend from an enriched lithospheric mantle with emi - like signatures in the western shandong province through emi and / or subduction - related metasomatic components in yanshan area to subduction - related metasomatic lithospheric mantle in the hinggan - mongolian orogen
燕山地區中酸性火山巖則來源於地殼,與玄武質巖漿底侵作用關系密切。 3燕山地區火山巖源區組分在時空上具有一定的演化規律:在時間上,從早期俯沖交代地幔及emi的參與,經中期以emi佔主導及極少量俯沖交代組分的階段,演變到晚期以emi為主,可能有少量軟流圈貢獻的組分,再到晚白堊世以軟流圈為主。By comprehensive rock - magnetic analyses of the hannuoba basalt in the zhangbei section, it has been shown that the main magnetic carriers of the twenty - one lava flows in this section are titano - magnetite, but the content of ti is relatively high in some samples
摘要通過新河口漢諾壩玄武巖的綜合巖石磁學測定和分析,確定了該剖面21個熔巖流的磁性礦物是以鈦磁鐵礦為主,部分含鈦較高。Therefore, they most likely originated from the asthenospheric mantle at a relatively great depth. the quaternary basalts at datong include both alkaline and tholeiitic types
相似於洋島玄武巖( oib )的微量元素特徵指示玄武巖主要來自於軟流圈地幔,巖漿起源較深。The distinct spatial distribution of the tholeiitic and alkali basalts at datong may be related to the effect of local lithospheric extension on the passive upwelling of asthenosphere and variable extents of interaction between lithosphere and asthenosphere
大同兩類玄武巖在空間上分野明顯,可能與桑乾河斷裂對軟流圈地幔上涌的控制以及區域上巖石圈-軟流圈作用程度的變化有關。Scientists do not think the mare basalts in the basins are the source of the gravity anomalies ; individual lava flows appear to be quite thin ? from a few meters to a few tens of meters ? and total accumulations are typically 200 meters or less
科學家不認為盆地中的月海玄武巖是這些重力異常的來源,因為個別的巖漿流似乎相當薄(從數公尺到數十公尺) ,且累積總計通常少於200公尺。分享友人