magma 中文意思是什麼

magma 解釋
n. 名詞 (pl. magmata , magmas) (礦物,有機物等的)稀糊狀混合物;【地質學;地理學】巖漿;稠液;【藥學】乳漿劑。

  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。
  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。
  3. Based on the analysis of thermal contact metamorphic aureoles, granitoid interior structure, quartz axis fabric and strain characters in the different rock unites of yuanshishan granitoid and its wall rocks, the emplacement mechanism of yanshishan granitoid was studied. the magmatic explictite dynamic was advanced in light of regional stress and magma dynamic research. those conclusion was synthesized to ascertain the emplacement mechanism - granitic magma ascended in dikes with the minimum critical width of the magma ascending channels about 2. 213. 88m and located in the core of yindianshan dome with the passive style of dyke explictite ; the later unite is a kind of multiple emplacement mechanism with the character of active emplacement of ballooning

    同時運用巖漿動力學原理從另一個角度探討其侵位驅動力。綜上指出:經分凝后的活動性巖漿在深部側向擠壓和浮力的聯合驅動下,沿深大斷裂以最小臨界寬度為2 . 213 . 88m的裂隙脈動上侵,整體以巖墻擴展的方式被動定位於銀殿山穹窿的核部,但後期屋面前單元具有主動侵位的特點應為一種復合定位機制。
  4. Notice that they are all five - sided more or less. and notice, from a distance as you start your hike, how geological movements as the basaltic magma congealed have produced a wall of bent basalt columns

    向前走,你不妨留意遠處一堵高聳的巖柱墻,一條條的巖柱因巖漿凝固時遇地殼移動,都呈現了扭曲的形狀。
  5. 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。
  6. This thesis studies each structural layer ' s feature : ( 1 ) structural layer of basement : it is a paleozoic folded basement, whose tectonic deformation and magma intrusion is fiercely, and it is affected by the early hercynian tectonic movement and related to the underthrust and closure ( c1 ) of zhungaer ocean basin and the areal pressing of continents ( c2 - 3 ) ; ( 2 ) structural layer of permian : due to the regional extending and fault depression role in mid - hercynian, it occurred to the combinations of structure and magma in santanghu basin and it ' s periphery area, such as a - granite ' s stock, batholiths and diabase ' s dike. there are many fault depressions possible

    按照不同構造層,研究了各構造層的構造特徵:基底構造層:受早海西期構造作用的影響,與準噶爾洋盆俯沖閉合、而後陸-陸碰撞的區域擠壓構造作用有關,為一構造變形和巖漿侵入活動強烈的古生代褶皺基底。二疊系構造層:受中海西區域性伸展斷陷作用的影響,盆地及其周緣地區發育與伸展構造有關的構造-巖漿組合,如呈巖株、巖基狀侵位的a型花崗巖以及呈巖墻狀侵位的輝綠巖等。
  7. 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
  8. From the study of hydrogen - oxygen isotope in enclosure liquid, some water conies from magma, others come from atmosphere precipitation

    包裹體水的氫氧同位素研究表明成礦流體中既有巖漿水,又有大量大氣降水加入。
  9. Based on an analysis of geochemical characteristics of rocks and trace elements as well as rare earth elements, this paper holds that they are products of crystallization differentiation of the same magma, that the major ore resource of this area is copper, and that gabbro - diabase is the main ore - bearing horizon

    通過對巖石化學特徵和微量元素、稀土元素地球化學特徵的剖析,表明其是同一巖漿結晶分異的產物,本區主要礦產應為銅,輝長輝綠巖是主要的含礦層位。
  10. The mafic dikes also formed by the partial melting of enriched mantle, include gabbro, diabase ( distributing mainly in luxi ) and lamprophyres ( camptovogesite, odinite and hornblende lamprophyres ) ( mainly in ludong ). for all the rocks, crustal contamination was absent when magma emplaced. 2

    基性脈巖主要包括輝長巖、輝綠巖(主要分佈在魯西地區)和煌斑巖(以斜閃煌斑巖為主,同時含部分拉輝煌斑巖和角閃煌斑巖) (主要分佈在魯東地區) ,都為富集巖石圈地幔部分熔融的產物。
  11. The geologic, element and experimental study suggest the mechanism of small body, giant deposit in jinchuan is succeeding segregation whole magma chamber intruding from deep to emplace. the study is proof, supplementary and progress of the deep segregation, penetrating ore formation theory, which was advanced by mr tang zhongli, the academician of china. 5

    特別是通過鉑族元素、稀土元素研究、實驗地球化學研究及其與實際資料的對比,提出了金川礦床成巖成礦是從深部到侵位持續熔離的新模式,論證、補充和發展了湯中立院士提出的深部熔離成礦說。
  12. Moreover, only about 20 percent of the magma erupted at etna has a chemical composition similar to that of a rift - zone volcano

    此外,埃特納噴出的巖漿,其化學成份只有大約20 %和張裂帶的巖漿相似。
  13. Magma extravasated as pressure built under ground

    當地底下的壓力生成時,巖漿噴發。
  14. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    通過對測試數據的分析與綜合研究,並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比,得出本區花崗巖類巖石具有以下特徵:屬磁鐵礦-型或同熔型花崗巖,其巖漿物質具殼幔混源特徵:主要由熔融態巖漿經結晶分異作用,通過多期變速上侵而形成;其分異演化程度較低;寄主巖基和包體具有同源性;巖石的形成溫度范圍約為500 - 700 ,壓力大約為2 . 50gpa - 4 . 35gpa ,氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ;該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣期,為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。
  15. Finally, a review is made on the genetic relationships between mineralization and magma evolution and the associated characteristic of ore systems

    文中還介紹了層狀巖體中典型礦床的成礦作用與巖漿演化過程的成因聯系。
  16. Only young magma intrusions contain the amount of heat necessary for the heat supply of an economical geothermal field.

    只有年青的巖漿侵入體才能擁有一個經濟性地熱田熱補給所必需的熱能。
  17. Granitic tectono - magmatic assemblages mainly reflect the genetic connections between the magma types of granites and tectonic environments

    摘要花崗巖的構造巖漿組合主要反映花崗巖的巖漿類型與大地構造環境之間的成因聯系。
  18. By physiognomy feature, it could be divided into three types of thermal structure : positive dome model, negative collapse model and border dome core collapse model. based on the depth degree or magma - thermal influenced, it could be divided into five types of thermal structure : ( ancient ) geothermal anomaly focus region model, superficial volcano eruption hydro - thermalism and hypabyssal intrusive model, thermal anticline ( thermal dome ) model, mid - deep intrusive model, deep mantle ( crust ) thermal plume model ; and put forward a perfect model of the thermal structure. there are many interaction system could be induced into a systematic thermal interaction, include : ocean - continent system, basin - mountain interaction, superficial and mid - deep crust - mantle interaction, crust - mantle commingle interaction, vertical thermal interaction ( delamination ) etc.

    依據地貌形態分為三類:正向穹窿型、負向塌陷型、邊隆核陷型:依據巖漿-熱力作用影響的深淺程度或深度分為五類: (古)地熱異常群集區、表淺層火山噴發-熱液活動與淺成侵入型、熱力背斜(熱穹窿) 、中深層侵入型、深部地幔(地殼)熱柱型;提出了熱力構造作用空間分佈的理想模式,將洋陸系統、盆山作用、淺表與中深部殼幔作用、殼幔混合、垂向熱力作用(拆沉)等納入一個整體統一的熱力作用系統中,為盆地動力學研究打開了一個新窗口;研討了熱力構造研究方法。
  19. Based on the petrological, petrochemical and geochemical analyses about these rocks, it is concluded in this paper that the xenoliths were originated from the upper mantle, and comprised of both primitive pyrolite and the infusible solid residual of the upper pyrolite while the basaltic magma was melted out of it, which were brought up to the earth ' s surface via o1carnc eruption

    根據其巖石學、巖石化學及地球化學特徵分析,包體來源於上地幔,其成因既有原始地幔巖,亦有上地幔巖經部分熔融出玄武巖漿后的難熔固相殘留物,被火山噴發攜帶至地表。
  20. The transitional group of diabases have intervenient sig, feg, tig, indicative of in - between melting degrees and melting depths. the highest nag in thes e rocks tend to suggest that na behaved as a moderately incompatible element during magma generation, thus preclude the possibility for residual jadeite to host na

    所有的觀察事實反映徐州地區晚元古代輝綠巖來源於具有不同深度、不同富集程度的nd同位素虧損地幔,因此最好的解釋模式就是它們為地幔柱沖擊作用下巖石圈-軟流圈-地幔柱相互作用的產物。
分享友人