地质调查与研究
地質調查與研究
지질조사여연구
GEOLOGICAL SURVEY AND RESEARCH
2014年
1期
46-51
,共6页
张国利%赵更新%滕菲%王得启%匡海阳%黄忠峰%陈枫
張國利%趙更新%滕菲%王得啟%劻海暘%黃忠峰%陳楓
장국리%조경신%등비%왕득계%광해양%황충봉%진풍
冀东铁矿%剩余重力异常%重磁剖面%重磁异常
冀東鐵礦%剩餘重力異常%重磁剖麵%重磁異常
기동철광%잉여중력이상%중자부면%중자이상
Jidong iron ore%residual gravity anomaly%gravity and magnetic profile%gravity and magnetic anomaly
在研究冀东铁矿外围覆盖区的地质概况和地球物理特征,野外高精度重力调查的基础上,结合重磁剖面,利用二度半重磁联合反演,在重磁异常经钻孔验证见铁矿厚度20 m左右,认为使用剩余重力异常是寻找深部隐伏铁矿的有效方法,冀东铁矿外围具有很大找矿潜力。
在研究冀東鐵礦外圍覆蓋區的地質概況和地毬物理特徵,野外高精度重力調查的基礎上,結閤重磁剖麵,利用二度半重磁聯閤反縯,在重磁異常經鑽孔驗證見鐵礦厚度20 m左右,認為使用剩餘重力異常是尋找深部隱伏鐵礦的有效方法,冀東鐵礦外圍具有很大找礦潛力。
재연구기동철광외위복개구적지질개황화지구물리특정,야외고정도중력조사적기출상,결합중자부면,이용이도반중자연합반연,재중자이상경찬공험증견철광후도20 m좌우,인위사용잉여중력이상시심조심부은복철광적유효방법,기동철광외위구유흔대조광잠력。
This paper introduced the process of the high precision gravity survey in Jidong iron ore peripheral cov-erage area. Combined with the gravity and magnetic profile, using second degree semi-gravity and magnetic data joint inversion, the gravity and magnetic anomaly by drilling verification finds iron thickness of 20 meters. This overview summarized that the residual gravity anomaly is effective method in search for deep concealed ore, and Jidong iron ore periphery had great prospecting potential.