中国地质大学地球物理实习报告_电法讲解VIP免费

《应用地电学》实习报告班级：10101111学号：101011111姓名：大好人指导教师：叶高峰中国地质大学（北京）地球科学与资源学院2014年7月目录第一章前言······················································1第一节实习任务、目的和意义····································第二节工区的一般自然地理和经济地理情况························第三节物探工作完成情况一致性··································第二章工区地质和地球物理特征·································第三章工作方法技术及质量评价·································第一节中间梯度法··············································第二节电测深法················································第三节高密度电阻率法··········································第四节音频大地电磁法··········································第五节测区范围与测网布置······································第六节野外作业要求············································第四章资料处理·················································第一节中间梯度法··············································第二节偶极电测深法············································第三节高密度电阻率法··········································第四节音频大地电磁测深法······································第五章解释推断·················································第六章结论与建议···············································第一章前言电法勘探以岩（矿）石间电磁学性质及电化学性质的差异作为物质基础，在不同的应用对象中，采用不同的变种或分支方法。电法勘探通常用以勘探石油与天然气和煤田地质构造，寻找金属与非金属矿产，进行水文工程地质、城市环境与建筑基础及地下管线铺设情况的勘查等。第一节实习任务、目的和意义本次实习要求学生学会熟练地使用和维护电法仪器和设备。学习并掌握多种电法勘探分支方法的野外基本工作方法和技术，并能处理野外出现的一般故障问题；以实习小组为单位，完成工区内一部分测点的数据采集工作，较准确地获得每个测点的观测数据，培养学生的实际操作技能。1、熟悉电法勘探仪器和装备的工作原理、性能，掌握实习中所用的仪器的操作步骤和维护方法，学会具体操作电法勘探仪器。2、掌握野外施工中电法各分支方法的工作方法和技术问题，如测站布置、导线敷设、电极埋置、实际观测等。此次用到的方法有中梯激电法，电测深法，高密度电阻率法和大地音频电磁法。3、掌握观测数据的整理、反演和图示方法，对实习中的实测数据进行资料处理、反演和结果成图等工作。4、熟悉异常的解释推断原则及其解释方法，对结果图件进行解释。5、掌握编写电法成果报告的原则和方法，并编写电法勘探成果报告。第二节自然地理和经济地理情况秦皇岛，是河北省省辖市，位于燕山山脉东段丘陵地区与山前平原地带，地势北高南低，形成北部山区－低山丘陵区－山间盆地区－冲积平原区－沿海区。北部山区位于秦皇岛市青龙满族自治县境内，海拔...