玄武斑巖 的英文怎麼說

中文拼音 [xuánbānyán]
玄武斑巖 英文
basalt porphyry
  • : Ⅰ形容詞1 (黑色) black; dark 2 (深奧) profound; abstruse; recondite 3 (不實在; 靠不住) unrel...
  • : 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...
  • : Ⅰ名詞(斑點; 斑紋; 污點; 瑕疵) spot; speck; speckle; stripe; stain Ⅱ形容詞(有斑點或斑紋的) spo...
  • : 名詞1. (巖石) rock 2. (巖峰) cliff; crag
  • 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...
  1. 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:與堿性有關的銅金多金屬礦,包括與石英鈉長和石英正長有關的型銅金礦床和矽卡型多金屬礦床;與輝長漿有關的鐵金礦床,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。
  2. By studying, the main conclusions have been achieved as follows : i. the volcanic rocks, as the result of the partial melting of enriched mantle, comprise calc - alkaline andesite and dacite and a few tholeiite

    通過研究,得出以下主要認識: 1 、火山為一套以鈣堿性安山為主,含少量拉和英安
  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橄欖,隨著局部熔融程度的增加,形成的碧漿-堿性漿-橄欖拉漿;另一個是源為石榴石二輝橄欖,隨著局部熔融程度的增加形成的霞石漿-堿性苦橄系列。
  4. 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石種類,以石形成的年代計算,最古老的是火山爆發形成的凝灰,然後依次是花崗閃長,流紋
  5. It is difficult to conform the derivations of the native heavy minerals, so the author assumes corresponding procedures as follows to accomplish the research task : firstly, according to the composition typomorphic peculiarities of minerals deriving from mantle, the author selected a part of minerals as preliminary reseach objects from the native heavy minerals and then further investigate the mantle ones and their host rocks in two ways : one is the method of comparation with the corresponding minerals of rocks deriving mantle in the research field and other places ; anorther is the method of multivariate statistical analysis

    本次工作為了盡可能地排除非幔源礦物的干擾,根據陳光遠( 1990 ) 、潘兆櫓( 1994 )等學者有關礦物成分標型的論斷,篩選出地幔特徵元素含量較高的重砂礦物做為初步研究對象,為達到研究目的採取了如下方法:與區內已發現的幔源石(如鉀鎂煌等) 、國內外有代表性的堿性、金伯利、鉀鎂煌的深源包體中的相應礦物進行對比研究的方法;多元統計分類的方法。
  6. 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(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)及拉
  7. The tholeiite with late trassic age has been found in helanshan area on the north part of western margin of ordos basin

    在盆地西緣北部賀蘭山地區,發現典型拉張環境形成的拉,測年時代為晚三疊世。
  8. This important tectonic zone parallel to the isotopic geochemical steep zone, which represented a suture line between the yangtze and cathaysian blocks. the geochemical evidence of the jianshui volcanic rocks from the sw part of shizong - mile zone shows that their lithologic types are tholeiites with the comparative flat ree patterns and enrichment in th, depletion slightly in nb, ta, and flat hfse. thus, they may be formed in a back - arc basin with the characteristics between morb and island - a

    該構造帶西南段的建水火山地球化學特徵研究表明,該火山為拉,具有較平坦的稀土分配型式, th較富集, nb 、 ta輕微虧損,高場強元素分佈較平坦,具有介於島弧和morb之間的地球化學特徵,可能形成於弧后盆地環境。
  9. 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體分帶明顯、屬亞堿性鐵質-超鐵質、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漿上涌后變為大洋拉漿侵位特點。
  10. 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,堿性也主要來自於軟流圈地幔,漿起源深度小於陽原樣品;拉具有較低的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,反映了軟流圈和石圈地幔之間的相互作用,漿起源較淺。
  11. Two ree distributed pattern, lree - depleted and flat, which display a specific character of typical mid - ocean ridge tholeiite, indicate that primary magma may be derived from near primary or a typical large ion lithophile element ( lile ) - depleted mantle

    石稀土元素配分模式可分為lree平坦型和lree虧損型兩類,指示了其原始漿起源於近原始或典型的大離子元素虧損型的地幔,為典型的大洋中脊拉的特徵。
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