扬子西南缘滇中成冰系南沱组沉积特征及其上红层归属讨论<sup>*</sup>

扬子西南缘滇中成冰系南沱组沉积特征及其上红层归属讨论^*

祁柯宁^1,², 旷红伟¹, 柳永清¹, 彭楠¹, 王玉冲^1,³, 陈骁帅¹

Sedimentary characteristics of the Cryogenian Nantuo Formation and stratigraphic attribution of red beds in central Yunnan, southwestern margin of Yangtze Craton

QI Kening^1,², KUANG Hongwei¹, LIU Yongqing¹, PENG Nan¹, WANG Yuchong^1,³, CHEN Xiaoshuai¹

滇中鲁纳村剖面碎屑锆石年代数据 a—LNC-4碎屑锆石阴极发光图像(小于1000 Ma);b—碎屑锆石协和图; c—碎屑锆石年龄分布直方图; d—锆石Th/U值和年龄散点图