“岳麓砂岩”原称“岳麓系”,系田奇(?)于1928年对岳麓山昆涛亭—五轮塔一带,所分布的一套以石英砂岩为主的碎屑岩系研究后所创,最初推论其时代属晚泥盆世至早石炭世。在其后的数十年间,众多的地质工作者,对于“岳麓砂岩”的时代及其与所谓“雪峰山砂岩”的关系,提出过许多见解,主要意见有: “Yuelu Sandstone” was originally called “Yuelu System” and was written by Tian Qi (?) In 1928 on a set of quartz sandstone-based clastic rocks distributed along the Kunluoting-Wuhuan tower of Yuelu Mountain , Initially deduced that its era is from Late Devonian to Early Carboniferous. During the following decades, many geologists have put forward many opinions on the era of “Yuelu Sandstone” and its relationship with the so-called “Xuefeng Mountain Sandstone.” The main opinions are as follows: