浙西北上奥陶统文昌组和堰口组沉积特征及其意义<sup>*</sup>

浙西北上奥陶统文昌组和堰口组沉积特征及其意义^*

刘晓^1,², 张元动¹, 周传明¹

Sedimentary characteristics of the Upper Ordovician Wenchang and Yankou Formations in northwestern Zhejiang Province

Liu Xiao^1,², Zhang Yuandong¹, Zhou Chuanming¹

浙西北地区文昌组和堰口组砂岩成分狄更斯三角图(原图据 Dickinson,1985 )