西藏朗县秀沟铬铁矿高精度重磁勘探效果OACSCDCSTPCD
THE EFFECTS OF USING HIGH-PRECISION GRAVITY AND MAGNETIC METHODS TO EXPLORE CHROMITE IN THE XIUGOU IRON DEPOSIT, LANGXIAN COUNTY, TIBET
2010年笔者完成了西藏朗县秀沟工区1∶5000高精度重磁勘探,重力测量总精度达0.069 4 mGal.根据岩矿石物性特征建立了铬铁矿地球物理模型与找矿标志.局部重力高异常0.1 ～0.6 mGal、宽度几十米至一二百米,并且磁异常中等强度、反向磁化的重磁异常组合特征是识别铬铁矿的标志；局部重力高异常带与环状镶边的正磁异常带的组合特征是识别超基性岩带的标志.运用小波分析提取铬铁矿与超基性岩体局部重磁异常,倾斜角(tiltangle)法识别岩体边…查看全部>>
The authors completed the assignment of 1: S 000 gravity and magnetic high-precision measurement in the Xiugou chromite deposit of Nangxian, Tibet, in 2010 and the total accuracy of gravity measurement was over 0.0694 mGal. According to physical characteristics of rocks and minerals, both the geophysical models and the exploration indicators in search for chromite were established. The composite characteristics of gravity and magnetic anomalies seem to be in…查看全部>>
刘天佑;杨宇山;刘建雄;苟金昌;苏保华
中国地质大学地球物理与空间信息学院,湖北武汉430074中国地质大学地球物理与空间信息学院,湖北武汉430074中国冶金地质总局西北地质勘查院,陕西西安710061中国冶金地质总局西北地质勘查院,陕西西安710061西藏林芝腾荣矿业有限公司,西藏林芝860400
天文与地球科学
重磁勘探铬铁矿西藏小波分析倾斜角(tilt-angle)法密度填图2.5D反演
gravity and magnetic exploration chromite Tibet wavelet analysis tilt-angle method density mapping 2.5D inversion
《物探与化探》 2012 (3)
325-331,7
全国危机矿山接替资源找矿项目(200799084)国土资源部公益性行业科研专项(200911017-03)
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