Research On The Application Of Ground High-precision Magnetic Method In The Detection Of Jiajia Baozi Iron Mine

Detect objects within the magnetic method is the use of the Earth's crust was magnetized by magnetic anomalies to the exploration of underground geological entities and a geophysical method of geological structures.It is an ancient method of geophysical exploration as early as the 17 th century.It was a compass to search for magnetite.Due to the magnetic method is fast and convenient installation,high efficiency,high speed,low cost and features,so widely applied.This thesis measures the magnetic anomalies in the survey region through magnetic prospecting,and uses a variety of data processing methods,suppressing interference and improving signal to noise ratio of the measured data,so as to highlight the information that magnetic anomalies reflect features of geological structure and deposits and improve the reliability of interpretation of magnetic anomaly.This work uses the ground high-precision magnetic measurement in Jiajiapuzi iron ore for measurement,according to the plane anomaly contours delineated a high value anomaly area;at the same time the magnetic anomalies,extension,data processing,speculation where there is a magnetite;Finally,the typical profile is selected to explain the 2.5D human-computer interactive inversion,and the magnetic parameters model is modified with the actual drilling results,and the best ore body shape is fitted,and then the other parameters are used to design the other unknown profile as a precise guide to the theory and a basis for the abnormal area to do inference and semi-quantitative solution.Based on the characteristics of the magnetic anomalies in the study area,the magnetic bodies in the study area were deduced and divided according to the related geophysical and geological data collected.The distribution of the magnetite in the study area was deduced to determine the position of the magnetite and production.The results show that the semi-quantitative interpretation method can provideuseful geophysical information in determining the magnetite belt and inferring the faulted fault zone.The anomalous characteristics of the ground high-precision magnetic anomalies reflect the characteristics of different geological structures in the region,and the fine geodesic section of the magnetic method is deduced and the appropriate semi-quantitative explanation can better deduce the occurrence of the magnetic ore body,depth,direction and so on.