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广西东攀二叠系-三叠系界线剖面地球化学高分辨率旋回研究 被引量:6

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摘要 利用频谱分析方法对广西东攀深水相二叠系-三叠系界线剖面进行了地球化学高分辨率旋回地层研究.发现米兰柯维奇旋回特征在该剖面保存较为理想,其中Ce/La比值频谱分析结果显示古生代-中生代之交沉积旋回的周期比恰好近似为5:2:1,很好的体现了天文轨道控制的沉积旋回现象,从而进一步支持米兰柯维奇理论.
出处 《中国科学(D辑)》 CSCD 北大核心 2007年第12期1565-1570,共6页 Science in China(Series D)
基金 国家自然科学基金创新团队项目(批准号:40621002) 教育部高等学校博士学科点专项科研基金(批准号:20060491502)
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