现代地质2025，Vol.39Issue(3)：570-587,18.DOI:10.19657/j.geoscience.1000-8527.2024.136
磁铁矿和黄铁矿的热电阻特征及找矿启示:以白云鄂博铁矿区和安徽黄屯铜金矿区为例
Magnetite and Pyrite Thermal Resistance Characteristics and Their Implications for Prospecting:Taking Bay an Obo Iron Mining Area and Anhui Huangtun Copper-gold Mining Area as Examples
摘要
Abstract
Magnetite and pyrite are typical minerals that exist widely in metal deposits,and their resistance properties,especially at constant activation temperature,are rarely studied in ore prospecting.The resistivity of magnetite and pyrite in Bayan Obo iron mining area of Inner Mongolia and Huangtun copper-gold mining area of Anhui was measured by BHMR-08 variable temperature thermal resistance meter.The results show that there is a low resistivity area of magnetite related to metal sulfides in the eastern depth of Bayan Obo iron mine area.The resistivity of magnetite in this area is mostly less than 9 × 10-4 Ω·m,and it is mainly magmatic origin magnetite.Combined with previous studies,it is believed that there may be a magmatic channel in this area,which is a magmatic magnetite rich area and has great prospecting potential in the deep.The resistivity differ-ence between the pyrite in the breccia pipe and the pyrite outside the breccia pipe is obvious in Huangtun cop-per-gold deposit area of Anhui Province.Among them,the resistivity value of pyrite in the breccia pipe is rela-tively large and the distribution range is wide,and the highest value can reach 20-40 Ω·m.The resistivity of pyrite outside the breccia tube is relatively small and the distribution range is narrow,mostly less than 10Ω·m.Therefore,the resistivity value of pyrite is an important physical typomorphic characteristic to distin-guish pyrite inside and outside breccia pipe effectively,which plays a certain role in the search for gold deposits.关键词
热电阻特征/磁铁矿/黄铁矿/白云鄂博矿区/安徽黄屯铜金矿区Key words
thermal resistance characteristics/magnetite/pyrite/Bayan Obo deposit/Anhui Huangtun cop-per-gold deposit分类
天文与地球科学引用本文复制引用
张竞元,王浩阳,林浩,唐赧钰,郑新栋,申俊峰,赵永健,杨永强,王昭静,陈强,卿敏,胡凯,陈满..磁铁矿和黄铁矿的热电阻特征及找矿启示:以白云鄂博铁矿区和安徽黄屯铜金矿区为例[J].现代地质,2025,39(3):570-587,18.基金项目
包头钢铁(集团)有限责任公司矿山研究院(有限责任公司)2021年A类重点项目(BGKY-ZH-2021-Z-017) （集团）
比优探索(北京)资源勘察有限公司企事业单位-横向包干制项目(Z083612022042). （北京）
