一、普查勘探情况简介人形铀矿床是在1955年11月由地质调查所的汽车放射性测量队对包括小鸭矿山在内的鸟取县中部地区进行踏勘时发现的[1]。新发现的露头在岗山、鸟取两县分界线附近海拔720米处。放射性异常在复盖于花岗岩之上的新第三纪灰色泥岩中最为强烈。当时因为没有预想到会有沉积类型矿床的出现,所以处于忧喜交错的情况,1956年除继续进 First, the census survey Brief introduction Humanoid uranium deposit is in November 1955 by the Institute of Geological Survey car radioactive measurement team, including the duckling mines, including Tottori central region survey found [1]. Newly discovered outcrop in Gangshan, Tottori Prefecture, near the dividing line of 720 meters above sea level. Radioactive anomalies are most intense in Neocene gray mudstone overlying the granite. At that time, because there was no expectation of the existence of deposits of sedimentary type, it was in a situation of mixed feelings of joy and happiness. In 1956,