综合物化探方法探测沙湾隐伏断裂带中段

详细信息

刊出日期: 2013-08-10

THEAPPLICATIONOFGEOPHYSICAL-GEOCHEMICALMETHODTO THEDETECTIONOFTHECONCEALEDFAULTSINMIDDLESHAWAN

Publish Date: 10 August 2013

摘要: 沙湾断裂带是珠江三角洲内的一组NW向断裂带,出露较少,以隐伏为主。在本次隐伏断裂探测过程中,采用了浅层地震反射波法、高密度电法及土壤氡气法,对沙湾断裂带中段隐伏断裂---大乌岗断裂、沙湾断裂、陈村断裂、紫坭断裂进行了综合探查,共发现7处异常,初步查明沙湾断裂带的通过位置等几何信息,为进一步进行钻孔验证奠定基础。
- 综合物化探方法 /
- 沙湾隐伏断裂带 /
- 珠江三角洲
Abstract: TheShawanfaultzoneinthePearlRiverdeltaconsistsofagroupofNW-strikingfaults,discontinuouslyexposedandcon-cealed.Inthedetectionofthisgroupoffaults,theauthorsadoptedtheintegratedgeophysical-geochemicalmethodcomprisinggeophysi-calsurvey,shallowseismicreflectionmethodandhigh-densityelectricalmethodaswellasgeochemicalsurvey.Integratedsurveywas conductedfor4concealedfaults(Dawugangfault,Shawanfault,ChencunfaultandZinifault)whichbelongtotheShawanfaultzone. Duringthedetection,7anomaliesweredelineated,andgeometricalinformationconcerningthefaultpositionwaspreliminarilyob-tained,thuslayingthefoundationfordrillingverification.
- geophysical-geochemicalmethod /
- Shawanconcealedfaultzone /
- PearlRiverdelta

中国自然资源航空物探遥感中心	主办
地质出版社	出版