非地震综合物化探技术应用及效果

非地震综合物化探技术，是根据不同的勘探目的和探区地球物理条件，有选择的使用多种物探技术进行联合勘探、综合解释。目前采用的主要勘探方法有重力，磁力，电法，化探等。随着野外采集质量的提高及计算技术的不断进步，突破了单一资料解释的限制，开展了物化探资料综合解释的新技术，它在很大程度上降低了单一重，电异常的多解性，提高了解释成果的准确性。

The applications and effects of comprehensive non-seismic geophysical and geochemical exploration techniques

In accordance with different exploration targets and geophysical conditions in aprospecting area, non--seismic geophysical and geochemical exploration techniquesare used selectively to carry out combined exploration and comprehensive interpretation. The main prospecting techniques used at present time are gravity, magnetic, electric and geochemical surveys. Because of the improvement of field data acquisition quality and the advancement of computer technique, the limitation of single data interpretation has been broken through, and new comprehensive interpretation technique for geophysical and geochemical data has been used, so that it hasreduced the multisolution of single gravity (or magnetic and electric) data and improved the accuracy of interpretation result.The application of non--seismic comprehensive processing and interpretationsystem has made the combined interpretation of gravity, magnetic and electric datacome true. The examples of exploration show that the combined application technique of gravity, magnetic, electric and geochemical exploration may effectively resolve the tough problems such as the depression--uplift distribution, regional geology structure, and basement structure of a basin at the early stage of explorationland it makes oil--bearing potential evaluation of structural units in combination withseismic, drilling and geological data. In target exploration, good results have beenachieved in the following aspects: reef exploration in carbonate rock region, igneous rock delineation, basement lithofacies prediction, overlying strata lithologyand mountain front overthrust.