摘要
直流电阻率测深剖面数据解释最好的方法是二维反演 ,这是由于它反演速度快 ,而三维反演则需要很多的实测数据、很长的计算时间 .而且通过对几种三维模型测深数据的二维反演结果的研究 ,发现尽管对无走向的良导矿体 ,二维反演方法所圈定的异常中心与真实矿体中心有一定的误差 ,但基本上还是能反映矿体的真实形态和中心位置 .当矿体具有一定的走向长度时 ,则无论对高阻矿体还是良导矿体二维反演的效果都很好 .
The 2 D inversion is the best method in the interpretation of DC resistivity sounding profiles data owing to its high speed, but the 3 D inversion, by contrast, needs more measured data and more computer time. Through the 2 D inversional study of several 3 D models, we know that for the good conductor ore body without strike, there is some deflection between the center of real ore body and the center of anomaly enclosed by the 2 D inversion, however, the anomaly can still reflect the true shape and the center position of the ore body in the main. When the ore body has certain lengths in strike, the effect of 2 D inversion is good to it, no matter its resistivity is high or low.
出处
《地球科学（中国地质大学学报）》
EI
CAS
CSCD
北大核心
2003年第1期102-106,共5页
Earth Science-Journal of China University of Geosciences
基金
国家自然科学基金 (No .40 0 64 0 0 1)
广西自然科学基金匹配项目
教育部优秀青年教师基金项目
广西培养新世纪学术和技术带头人专项资金资助的部分研究内容 .
关键词
直流电阻率测探
二维反演
三维模型
地质构造
矿体
DC resistivity sounding
2 D inversion
3 D model
approximate interpretation.
