magma evolution 中文意思是什麼
magma evolution
解釋
巖漿演化-
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。 -
Detailed studies of tectonic unit and mineralized pedigree in each tectonic unit and each period provided that tectonic evolution passed an evolutionary sequence from early extension - transition - late compression that correspond to mineralization - sediment and submarine eruption - exhalation mineralization - moderate to acid magma and tectonic hydrothermalism that are relevant to mantle - derived magma and volcanic activities ; the mineralized pedigree can be indicated as mantle derived - inner basin and deep source - crust source ore - forming materials
對各時期、各構造單元的成礦譜系進行了詳細研究，提出構造運動演化從早期拉張過渡晚期擠壓的演化序列，分別對應于以幔源巖漿和火山活動有關的成礦作用沉積及海底噴流?噴氣成礦作用中酸性巖漿及構造熱液成礦作用；在成礦物質上由幔源盆內及深源殼源的成礦譜系。 -
During the yanshanian phrase, the area is in the condition of contractional background, with multi - staged tectonic reversion. 5. through studying the origin of volcanic rocks and the characteristics of magma evolution, it concludes that there exist 3 originated areas of magma - from mantle, crust, and mantle - crust exchange. the basic magma of nandaling volcanic rocks of early jurassic is derived from upper mantle ; the magma of tiaojishan volcanic rocks of mid jurassic is formed in the contractional tectonic setting, and derived from the transition zone of crust and mantle interaction ; the acid magma of l
5 、通過巖石化學、微量元素、稀土元素的研究，探討了不同級別節律的火山巖成因、巖漿演化等特徵，認為本區燕山期火山巖有三個巖漿源區，即地幔源、地殼源和殼幔混源，早侏羅世的南大嶺旋迴的基性巖漿，起源於上地幔；中侏羅世髫髻山旋迴火山巖是在相對擠壓環境中，巖漿起源於殼幔過渡帶；晚侏羅世無負eu異常的酸性巖漿來源於下地殼的古老結晶基底的局部熔融，有負eu異常的酸性巖漿來源於上地殼的局部熔融；早白堊世火山巖基性巖漿起源於上地幔，中性巖漿起源於下地殼底部的殼幔過渡帶。 -
Now, sr isotopes can be used not only to constrain the origin and evolution of magma and hydrothermal ore - forming solutions, calculate the scale and degree of lithogenesis and ascertain the relations between fluids and rocks, but also to study sea - level fluctuation, plate movement, ocean - floor spreading and lithogenic evolution
現在，鍶同位素不僅在示蹤巖漿及成礦熱液的來源和演化、計算晚期成巖改造作用的規模和程度及流體/巖石比等方面已趨于成熟，並且越來越廣泛運用於海平面變化、板塊活動、海底擴張、成巖演化等方面的研究。 -
This paper mainly summarizes the tectonic setting, common features, nature of the parental magmas, genesis of rhythmic layers of various types of layered intrusions, and the important roles that magma mixing and crustal contamination play in magma evolution
文中主要總結了不同類型層狀巖體形成的構造背景、基本特徵、母巖漿特徵和韻律層理成因，以及巖漿混合和地殼混染在巖漿演化過程中起到的重要作用。 -
Using the tracer ability of petro - geochemistry, the paper discusses on source characteristics and magma evolution of the high - mg volcanic rocks
利用巖石地球化學的可示蹤性，研究了高鎂火山巖漿的源區特徵、巖漿演化。 -
It is presented that the hydrous fluxing as well as adiaba tic decompression plays an important role in melting of morb - like mantle beneath marina trough. compared with basalts from other back arc basins, it concludes that the magma varies from morb - like to arc - like with the evolution ; during the earlier stage of evolution, there coexist the two morb - like and arc - like lavas, it may be the nature of the magma in back arc basins ( especially in the earlier stage )
綜合馬里亞納海槽和其他弧后盆地玄武巖的研究成果發現，弧后盆地特別是早期擴張的弧后盆地，其巖漿產物均具從似島弧型到似洋中脊型玄武巖的時空演化特徵；同時存在島弧型和morb型兩種熔巖，可能是弧后盆地（特別是早期擴張弧后盆地）巖漿作用的一個共同屬性。 -
The paper based on synthesize domestic and foreign ' s study achievement about basalt, systematical review basalt research history, present condition about basalt formation contributing factor and it ' s magma source area quality, uses the basalt to distinguish the earth ' s mantle type, the connection basaltic magma evolution and continent dynamics, and uses the basalt to distinguish tectonic environment
系統地綜述了玄武巖的成因和巖漿源區性質、利用玄武巖判別地幔類型、玄武質巖漿的演化與大陸動力學關系，以及判別構造環境等方面研究的現狀。 -
There develops a suit of meta - spilite baschtaunite system volcanic rocks in the south of lushan mountain. lithology combination reflects the regularity of magma evolution from basic to acid
廬山南麓發育一套變細碧-石英角斑巖系火山巖，巖性組合從早到晚反映了由基性到酸性的巖漿演化規律。 -
Abstract : there develops a suit of meta - spilite baschtaunite system volcanic rocks in the south of lushan mountain. lithology combination reflects the regularity of magma evolution from basic to acid
文摘:廬山南麓發育一套變細碧-石英角斑巖系火山巖，巖性組合從早到晚反映了由基性到酸性的巖漿演化規律。 -
According to temperature, pressure, and chemical evolution of mineral crystallization in the magma chamber, it is held that the magma of intrusive rocks ascended rather fast and was emplaced at the relatively shallow place
據巖漿房中礦物結晶時的溫度和壓力條件、礦物的結晶特徵及演化趨勢，推測巖漿上升速度較快，侵位較淺。 -
On the basis of detailed and systematic studies on the petrography, major and trace elements and sr - nd isotopic data of mesozoic volcanic rocks, especially the mafic volcanic rocks in yanshan area, we successfully studied the deep processes related to magma generation and their relationship with shallow - level tectonic evolution. the major conclusions are summarized as below. 1
論文通過對燕山地區中生代火山巖，特別是中基性火山巖，進行詳細而系統的巖石學、主微量元素地球化學特徵和sr - nd同位素組成特徵的研究，主要取得了以下研究成果： 1燕山地區中生代（ j - k ）火山巖為一套鈣堿性-高鉀鈣堿性-橄欖安粗巖系列巖石。
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