fractional crystallization 中文意思是什麼
fractional crystallization
解釋
分步結晶- fractional : adj. 1. 零碎的，斷片的。2. 【數學】分數的，小數的，有零數的；不足買賣單位的。3. 【化學】分餾的，分級的。
- crystallization : n. 晶化，結晶（作用，過程）；結晶體；具體化，明朗化。
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During diagenetic process, there may exist the fractional crystallization of clino - pyroxene, plagioclase, olivine and ti - fe oxide, and the accumulation of olivine. the alkalic - ultramafic dikes formed by low degree partial melting ( 3. 4 % ) of enriched mantle, consist of single olivine pyroxenolite, the dominating olivine fractionation is evident
成因上為富集地幔部分熔融作用的結果，但在成巖過程中也可能存在單斜輝石、斜長石、橄欖石和ti - fe氧化物等礦物的分離結晶作用。 -
The qiongzhong and danxian batholiths, as the largest early mesozoic syntectonic granite intrusions in hainan island, are mainly composed of porphyritic biotite two - feldspars granitoids, in which alkali - feldspar phenocrysts and dark minerals are foliated mostly in we - direction. the granites are of metaluminous i - type. major and trace elements show co - variations with sio2, suggesting the fractional crystallization of plagioclase, hornblende, apatite and ti - fe oxides in the evolution of the granites
花崗巖的主量元素和部分微量元素成分與sio _ 2呈良好的相關關系，顯示出明顯的斜長石、角閃石、磷灰石和ti - fe氧化物等的分離結晶作用，總體上它們與大陸島弧花崗巖的微量元素豐度和分佈特徵相似，系統地虧損ba 、 nb 、 sr 、 p和ti等元素。 -
High - mg volcanic rocks approach the primitive mantle compositions, and their magmatic source is close to the composition of bse, derives from the lower mantle and formed by this type - mantle rocks " fractional melting highly ( > 25 % ). high - mg volcanic magma, formed in the axis of the emei mantle plume, underwent the crystallization differentiation of olivines and some pyroxenes ; some olivines reflect fair cumulus crystallization
高鎂火山巖接近於原始巖漿的組成，巖漿源區與地球平均成分bse的成分特徵相近，起源深度為下地幔，為該地幔巖較高程度的部分熔融（ 25 ）而形成的。高鎂火山巖處于地幔柱的軸部，經歷了橄欖石及一定程度的輝石分異結晶，並且橄欖石顯示出一定的堆晶作用。 -
The mineralogical characteristics suggest that different rock types of kuzigan intrusion are products of the same magma, and that the magma, instead of being affected much by fractional crystallization, has dominantly experienced equilibrating crystallization
研究表明，苦子干巖體中的不同巖石類型系同源巖漿演化的產物；巖漿在整個演化過程中平衡結晶作用佔主導，分離結晶作用的影響極小。 -
Magma materials coming from the mantle, duritig the fractional crystallization, there exists contamination of the wall - rock
鎢趨向于熔體相中富集，其配分系數大多小於1 . 0 。 -
A ree partition simulation suggests that the tianzhushan intermediate rocks can be generated by partial melting, in coupling with fractional crystallization, of dioritic gneiss which is similar in chemical compositions to the mafic rocks in the lower crust in north dabie ; partial melting of intermediate grey gneiss which is similar in chemical compositions to the middle crust in north dabie can generate the tianzhushan felsic rocks
Ree配分的定量模擬計算結果表明，與基性下地殼相似的北大別基性閃長質片麻巖部分熔融並經過結晶分異能夠形成與天柱山中性巖類似的稀土元素組成，而與中性地殼相似的北大別中性灰色片麻巖部分熔融能夠形成與天柱山花崗巖類似的稀土元素組成。 -
Ree partition simulation suggests that the tianzhushan intermediate rocks can be generated by partial melting, in coupling with fractional crystallization, of dioritic gneiss which is similar in chemical compositions to the mafic rocks in the lower crust in north dabie ; partial melting of intermediate grey gneiss which is similar in chemical compositions to the middle crust in north dabie can generate the tianzhushan felsic rocks
Ree配分的定量模擬計算結果表明，與基性下地殼相似的北大別基性閃長質片麻巖部分熔融並經過結晶分異能夠形成與天柱山中性巖類似的稀土元素組成，而與中性地殼相似的北大別中性灰色片麻巖部分熔融能夠形成與天柱山花崗巖類似的稀土元素組成。
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