isotopic geochemistry 中文意思是什麼

isotopic geochemistry 解釋
穩定同位素地球化學
  • isotopic : adj. 同位素的。 isotopic abundance ratio 同位素豐度比。 isotopic spin 同位旋。adv. -ally
  • geochemistry : n. 地球化學。adj. -ical ,-ist n.
  1. 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。
  2. Progress on isotopic geochemistry of boron and chlorine in salt lakes

    鹽湖硼氯同位素地球化學研究進展
  3. Trace elements and isotopic geochemistry of the high - k calcalkaline granites in north margin of eastern part of west kunlun

    西昆侖東段北緣花崗巖微量元素及同位素地球化學
  4. After the volcanic eruption of multi - phrase cycle - deformation, filling of basin, crustal uplifting event being studied, this dissertation tries constructing the different degree rhythm of magma activity corresponding with crust - mantle dynamic system, studying the crust - mantle deep processes. based on the studies on the characteristics of volcanic rhythm, igneous rocks assemblages, temporal and spatial distribution of igneous rocks, tectonic deformation, the author has util ized the methods of petrology, geochemistry, isotopic geology et al. to do research on the above - mentioned geological problems

    通過多次幕式火山噴發-構造變形-盆地充填-地殼隆升事件序列的釐定，從火山活動節律特徵、火成巖構造組合類型、時空分佈及其演化和構造變形的歷史記錄，利用巖石學、地球化學、同位素地質學等方法，反演深部過程與淺部響應等來闡明造山過程，建立與不同級別巖漿活動節律對應的殼幔動力學系統，追索殼幔深部過程，已成為當今地球動力學研究的前沿課題之一。
  5. On the basis of study on petrology, volcanic geology, geochemistry, isotopic chronology, antitheses of the regional strata and 4 suits of volcanic rock stratum of the yanshan - liaoning area, the rhythm of yanshanian volcanic activity is divided into 1 gigantic - cycle, 4 cycles, 11 micro - cycles, 24 sub - cycles and many rhythms. in addition, the temporal and spatial evolution and regional contrast of every - level rhythms are discussed. 3. based on the study on classifications of rhythm of volcanic activity and regional contrast, the petrology, mineralogy, geochemistry, and isotopic characteristics of every - level rhythms are discussed

    2 、通過對燕遼地區燕山期發育的四套火山巖的巖石學、火山地質學、地球化學、同位素年代學的綜合研究，通過運用綜合方法進行區域地層對比和分析火山噴發盆地火山巖地層特徵的基礎上，將本區燕山期火山活動節律，劃分為1個二級節律（大旋迴） 、 4個三級節律（旋迴） 、 11個亞三級節律（小旋迴） 、 24個四級節律（亞旋迴）和多個五級節律（韻律）等，論述了各級火山活動節律特徵及其時空演化和區域對比。
  6. On the basis of systematic analysis and comparative research on jianchaling and jinchuan nickel sulflde deposit in geology and geochemistry, some conclusions can be drawn as follow : ( 1 ) re - os isotopic geochronology data define an precise 878 ? 6 ma isochon, suggest jianchaling nickel sulflde deposit would form in new proterozoic. the rock - forming process and metal logenesis happened on the whole, this deposit subordinates to magmatic deposit

    通過對煎茶嶺和金川鎳礦床地質、地球化學的系統分析與比較研究，取得以下新的認識和進展： （ 1 ） re ? os同位素地質年代學研究表明，煎茶嶺硫化鎳礦床形成於878ma前的新元古代，成礦作用和成巖作用基本上是同時進行的，屬巖漿礦床。
  7. Their characteristics of geochemistry, stable carbon isotopic excursion, genetic model are still hot topics to geological field

    其地球化學特徵、穩定碳同位素偏移、成因解說及模式等問題一直是地質學界關注的熱點。
  8. Thus, they might be derived from a back - arc basin with an archipelagic system in paleo - tethys, instead of a large ocean basin. the isotopic geochemistry shows that the jinshajiang ophiolitic melange has higher e nd ( t ) values ( + 7. 42 - + 5. 44 ), suggesting that it may be derived from a lree depleted mantle source without significant contamination by the continental crust, but affected slightly by a fluid from a subducted ocean crust

    同位素地球化學研究表明，金沙江蛇綠混雜巖具有較高的_ （ nd ） （ t ）值（ + 7 . 42 + 5 . 44 ）暗示蛇綠巖來源於lree長期較虧損的地幔源，演化過程中沒有受到陸源物質的明顯混染，而主要受到少量俯沖洋殼析出流體的影響。
  9. Isotopic geochemistry tracing for sources of ore - forming fluid in tianwan ore belt

    田灣金礦成礦帶成礦流體的同位素地球化學示蹤
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