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陕南山阳地区刘岭群砂岩岩石地球化学特征及其构造背景分析 被引量:27
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作者 和政军 牛宝贵 任纪舜 《地质科学》 CAS CSCD 北大核心 2005年第4期594-607,共14页
陕南山阳地区中晚泥盆世刘岭群位于秦岭造山带的商丹断裂带与山阳断裂之间。由于所处的特殊位置,刘岭群沉积特点及其盆地形成时期构造背景的确定,可以为秦岭地区古生代以来构造演化提供有价值的信息。岩石地球化学分析表明,刘岭群砂岩... 陕南山阳地区中晚泥盆世刘岭群位于秦岭造山带的商丹断裂带与山阳断裂之间。由于所处的特殊位置,刘岭群沉积特点及其盆地形成时期构造背景的确定,可以为秦岭地区古生代以来构造演化提供有价值的信息。岩石地球化学分析表明,刘岭群砂岩主要氧化物特征以SiO2和K2O含量较高为特点,具有较高的化学成熟度,反映出其碎屑物质可能来源于相对稳定的大陆源区或更老的沉积岩再旋回的沉积产物。砂岩的稀土元素LREE/HREE比值为3.61,属轻稀土中等富集;Eu/Eu值为0.77,属亏损型,与后太古代大陆地壳沉积岩总体演化特点相一致。主量元素氧化物、稀土元素及微量元素的多种图解和多种参数交叉分析,表明刘岭群沉积不具备前陆盆地堆积的特征。根据砂岩岩石地球化学的构造背景判别和物源区判别,结合沉积序列和沉积岩石学等分析,指示中晚泥盆世刘岭群碎屑岩应属于被动大陆边缘盆地沉积。 展开更多
关键词 刘岭群 被动大陆边缘 砂岩岩石地球化学 中-晚泥盆世 秦岭造 陕南山 阳地区
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Realism of Movie Arts and Ecology folk cultural heritage in Southern Shaanxi Province --Taking the real movie "Lang singing folk songs in the door" for example
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作者 Jun Su 《International Journal of Technology Management》 2014年第10期22-24,共3页
The real movie "Lang singing folk songs in the door" is the triangle love story among Xiao Yang, Feng Gang and Zhang Xuefeng. the three characters are the main line. folk songs in Nan Kang Ziyang of Shaanxi are the ... The real movie "Lang singing folk songs in the door" is the triangle love story among Xiao Yang, Feng Gang and Zhang Xuefeng. the three characters are the main line. folk songs in Nan Kang Ziyang of Shaanxi are the carrier, full of musical charm and cultural values. Folk songs, and love reveal the tragic loss and suffering in modern youth life-changing period, and reflect the gap between ideal and reality. Movie inspires people, developing and upholding heritage of folk music and cultural needs the whole community' s concern and support, a cavity blood alone and personal ideals are not enough, only rely on social groups and cultural media, can Southern folk ecological culture be in sustainable development, and fly out of the country to the world. 展开更多
关键词 "Lang singing folk songs in the door" artistic expression Southern folk songs cultural heritage
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