Geological mapping is a highly interpretive and scientific process that produces a range of map products for many different uses, basically for sustainable land and mineral resources management. This is a primary and principal task of all geological surveys in the world. The establishment of the Polish Geological Institute in 1919 founded a basic framework for geological mapping in Poland. After the Second World War, an extensive production of geological (serial, regional and thematic) maps at different scales in atlases and scientific publications was initiated. Within the past 30 years, geographic information system (GIS) technology has begun to change geologic mapping by providing software tools, a use of which permits geological data to be electronically stored, displayed, queried and analysed in conjunction with a seemingly infinite variety of other data types. The fully automatic process of map generalization and its founding on hierarchic geological vocabularies will enable flexible presentation of geological data while passing from one scale to another. New technological advances and international standards in description, collection, exchange and visualisation ofgeological data, as well as its connection with external resources, will result in substantial enrichment of information in databases and will create new possibilities in search and use of data in the Web.
Discussion on the tectonic regional subdivision of Poland is a good opportunity to show a range of geological information of each tectonic unit and to emphasize the necessity of improvement of geological tectonic classifications, application of which in the geological databases is essential for correct usage of data collected. A good example is a geological and geophysical database PITAKA developed in the Polish Oil and Gas Company from 1987. Actually the PITAKA database contains data from 3191 boreholes which drilled Permian and younger deposits and from 4555 boreholes pierced into the older rocks. This paper presents location of 2D and 3D seismic studies done in digital technology from its introduction in Poland in 1973. In the Polish Lowlands area the Fore-Sudetic Monocline is the best geologically recognized region. The Pomeranian Anticlinorium and the Szczecin-Gorzów Synclinorium are relatively well documented. Numerous boreholes and seismic sections in those areas are associated with intensity of exploration of raw material deposits such as hydrocarbons, coal, copper, zinc and lead, sulfur and salts. Until now the PITAKA database does not contain all drilling data from Poland but it is constantly extended and supplemented.
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