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

滇中成冰系南沱组红层冰水沉积特征照片 a、b—发育平行层理的泥质粉砂岩,并见坠石构造; c—发育粒序纹层的粉砂质泥岩;d—泥质粉砂岩,发育粒序层理以及冲刷面。均为单偏光照片