无人直升机航磁方法在安徽省马鞍山市向山南—大甸塘地区铁矿普查中的应用

陈伟, 赵国凤, 费振正, 罗丁, 彭江英, 黄岩, 贾朔

The application of unmanned helicopter aeromagnetic method to the survey of the iron deposit in Xiangshannan-Dadiantang area, Ma’anshan City, Anhui Province

CHEN Wei, ZHAO Guo-Feng, FEI Zhen-Zheng, LUO Ding, PENG Jiang-Ying, HUANG Yan, JIA Shuo

表1 工作区岩(矿)石物性统计

Table 1 Geophysical characteristics of rocks and minerals from working area

岩石名称 磁化率 (4π×10-6 SI) 剩余磁化强度 (10-3 A·m-1) 安山岩 150 — 凝灰岩 0 0 石英二长岩 0 0 闪长玢岩 2085~6310 1.47~376 蚀变闪长玢岩 14~30 1.76~17.8 磁铁矿化层 37 500~51 000 5 400~9 400