扬子克拉通北缘中元古界神农架群沉积特征*
旷红伟1, 柳永清1, 范正秀1, 彭楠1, 耿元生1, 朱志才1, 许欢1, 安伟1, 王能盛1, 夏晓旭1,2, 王玉冲1,2

Sedimentary characteristics of the Mesoproterozoic Shennongjia Group in northern margin of Yangtze Craton
Kuang Hong-Wei1, Liu Yong-Qing1, Fan Zheng-Xiu1, Peng Nan1, Geng Yuan-Sheng1, Zhu Zhi-Cai1, An Wei1, Wang Neng-Sheng1, Xia Xiao-Xu1,2, Wang Yu-Chong1,2
扬子克拉通北缘神农架群地质简图、地层与构造剖面 实测剖面: A—神农顶;B—官门山;C—铁厂河;D—鹰窝洞;E—大岩坪;F—马槽园;G—送子园。凝灰岩测年对应关系: ①1165±14iMa(凝灰岩SHRIMP U—Pb, 邓奇等,2013 );②1157±19iMa(凝灰岩,Wang et al ., 2011);③1139±29iMa(凝灰岩,LA—ICPMS, 邱艳生等,2013 );④1215.8iMa±2.4iMa(凝灰岩SHRIMP U—Pb, 李怀坤等,2013 );⑤1180±14iMa(凝灰岩, Du et al ., 2016 );⑥锆石1083.2±4.6 Ma,斜锆石1115±9 Ma(辉长辉绿岩脉, 李怀坤等,2013 )