Applications of the multi source,digital ,multi media technique in regional geological survey

Geological maps and reports are the final results of regional geological surveys are the most important way of representation of the results of regional geological survey and study.Therefore,the multi media informationization of the production,conservation,analysis and use of maps become an important trend of development of informationization of regional geological survey.This article deals with the present state of research and trend of development of the multi source,digital multi media technique,which integrates the GIS,multi media,hypertextural,visual and CD techniques,in the informationization of regional geological surveys.