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1958年夏,笔者参加中国科学院沈玉昌先生和北京大学地貌教研室王乃樑主任所领导的长江三峡地貌队的工作,顺便观察了吸引地学界人士注意的“(?)子砾岩”(图1)。该砾岩见于长江兵书宝剑峡与牛肝马肺峡之间的新滩(青滩)附近。1.(?)子砾岩:早在1924年李四光副院长就已经首先对鸡子砾岩作过报导(详见“Geology of the Gorge District
In the summer of 1958, the author participated in the work of the Three Gorges Geomorphology Team led by Mr. Shen Yuchang of the Chinese Academy of Sciences and Director Wang Nailiang of the Faculty of Geomorphology, Peking University, observing the “(?) Sub-conglomerate” attracted by the scholars and scholars (Figure 1). The conglomerate is found in the vicinity of Xintan Beach (Qingtan) between the Baojian Gorge and the Bovine Liverpool Marsh Gap. 1. (?) Sub-conglomerate: As early as 1924, Vice President Li Siguang had already reported on chicken conglomerates (see "Geology of the Gorge District