The feature of earth chemistry of volcanic rock in Xiangshan Group reflects that it belongs to the series of oceanic tholeiite in oceanic spreading tectonic environment.

結(jié)果 香山群的時代劃歸為中晚寒武世較合適；香山群主體是一套由板巖aa的网站、細免费看a毛片、粉砂巖和砂巖組成的濁積巖系日韩在线试看福利网站免费，其砂巖類型主要是長石石英砂巖国产精品路边搭讪素人、細粒石英砂巖和粉砂質(zhì)石英砂巖人人色人人射人人操，前寒武紀變沉積巖和花崗片麻巖為主要碎屑來源和物源區(qū)組成；砂巖的巖石地球化學(xué)特征指示香山群屬發(fā)育在被動大陸邊緣斜坡環(huán)境中的沉積物久久只精品99品免费久苍井空，火山巖巖石地球化學(xué)特征反映其應(yīng)屬大洋擴張構(gòu)造環(huán)境下的大洋拉斑玄武巖系列熟妇天天干视频。

By contrast, the Jilinbaolige lead - zinc - silver ore deposit was hydrothermal deposit which related to Indosinian intermediate-acidic magmatism. Tuff which was one of host rock of the deposit was intermediate volcanic rocks belong to potassium and aluminium rich tholeiite series.

相比之下，吉林寶力格鉛—鋅—銀礦床的容礦圍巖之一的凝灰?guī)r屬富鉀和鋁91黄色大片在线观、拉班玄武巖系列的中性火山巖人人操,人人舔人人干。

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-depleted mantle.

巖石稀土元素配分模式可分為LREE平坦型和LREE虧損型兩類，指示了其原始巖漿起源于近原始或典型的大離子元素虧損型的地幔裸体女人的视频一级A片，為典型的大洋中脊拉斑玄武巖的特征免费狼友。

On the basis of their major and trace element geochemistry of these four Fms., the Beitashan and Yundukala Fms. include tholeiite and calc-alkaline series, characterized by the enrichment of large ion lithophile elements, and the high field strength element contents close to MORB, which suggest that they formed an arc-island setting.

對這4個組火山巖的主要元素、微量元素地球化學(xué)特征研究表明国产亚洲日韩欧美性爱视频在线，北塔山組和蘊都喀拉組為拉斑和鈣堿性系列亚洲黄色第一区，并且均具有大離子親石元素富集，而高場強元素與MORB相當亚洲欧美一级A片综合，說明其為島弧環(huán)境aiai视频在线观看。

The Mg-rich volcanic rocks consist of high-Mg decite and high-Mg basalt which are the products of congenetic magma,in Ashele are, Xinjiang. In comparison with tholeiite, their εNd are obviously low, implying that they are contaminated by the oceanic sediments during their forming process.

阿舍勒富鎂火山巖由高鎂英安和高鎂玄武巖組成它們可能是同源巖漿的產(chǎn)物，與共生的拉斑玄武巖相比啪啪黄色，富鎂火山巖釹同位素明顯富集www,jizzcom，反映在其形成過程中受到了大洋沉積物的混染。

Volcanic rocks of Xishanbulake Formation and Shuiquan Formation are of alkali basalt series, those of Zhamoketi Formation are of alkali basalt series and tholeiite series, and those of Beiyixi Formation are obviously characterized by bimodal assemblage and mostly belong to alkali volcanic rocks.

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Supracrustal rocks Tholeiite Diagenetic environment Island arc Huadian-Jingyu region

上殼巖；拉斑玄武巖国产一区色；成巖環(huán)境欧美一区1区三区3区公司；島弧黄色免费的网视频；樺甸—靖宇地區(qū)

Through the contrast analysis on the chemical constitution of the magnetic iron ore and the plagioclaseamphibolite in Nanling ultra poor magnetite, and the analysis of graphs of and (FeO+Fe2O3+TiO2)Al2O3MgO, combining the geological features of mining area and the ore body characteristics, the conclusion can be drawn as follows: the plagioclaseamphibolites including magnetite and the plagioclaseamphibolite in Nanling mining area are formed from the oceanic tholeiite with rich iron after the deteriorating, and their genesis types should be the ultrapoor iron deposit of weathered residual origin.

通過對南嶺超貧磁鐵礦的磁鐵礦石新赏网在线一区二区、斜長角閃巖化學(xué)成分的對比分析，結(jié)合礦區(qū)地質(zhì)特征和礦體特征74色色网，對礦體進行n-n和w( FeO+Fe2O3+TiO2)-w(Al2O3)-w 圖解分析免费A片大大片，結(jié)果顯示南嶺礦區(qū)的含磁鐵斜長角閃巖和斜長角閃巖是大洋富鐵拉斑玄武巖經(jīng)變質(zhì)作用而形成的，礦床的成因類型為風化殘積型超貧鐵礦床扁豆曰本熟妇不卡无码一、二区在线费看。

The basalt is belong island arc tholeiite and series of the calc-alkaline,and have character of island arc in rare earth element and trace element.

玄武巖屬島弧拉斑玄武巖和鈣堿性系列人人操人色人人摸，屬太平洋型鈉質(zhì)類型人人草.com，稀土、微量元素顯示具島弧特征天天综合色一级毛片中国，大地構(gòu)造位置為島弧中心靠近大洋一側(cè)狼友网站国产，與南側(cè)那拉提晚泥盆—早石炭世侵入巖共同組成火山弧，同為古亞洲洋向北俯沖的產(chǎn)物日韩欧美国产综合在线。

The crustal sequence of Shexian ophiolites belongs to the transitional series behaeen calc-alkaline basalt and tholeiite and all through has similar trace elements and REE ratios and chondrite-normalized REE patterns, with high enrichment of large-ion lithophile elements and LREE.

歙縣蛇綠巖殼層組合屬于鈣堿性和拉斑玄武巖間過渡系列亚洲伊人蕉综合网，具類似的微量及稀土元素比值和稀土元素配分模型，且大離子親石元素和LREE高度富集黄视频网页。