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地球物理学进展 2008
Magnetic and gravity data processing method and imaging techniques for faulted structure interpretation
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Abstract:
Using magnetic and gravity anomaly to interpret faulted structure is a main method for sdutying geological structure.Usually,multi-conclusion is got on isoline map of magnetic and gravity anomaly for interpreting faulted structure,because weak information of magnetic and gravity anomaly is lost in isoline netting.After extracting the gradient zones of magnetic and gravity anomaly on different upward continuation curved plane by horizontal gradient method,and faulted structure zones are narrowly processing,the processing result of magnetic and gravity data is translated into gray shade scale and variance density by using imaging techniques.It is good effcet to extract and recognise faulted structure on variance density image of magnetic and gravity anomaly.This method is applied for recognising differential sediment strata(time series)in Ordos basin.