ANALYSES OF COAL PETROLOGY AND QUALITY DATA SUPPORTED BY GEOGRAPHICAL INFORMATION SYSTEM

Taking the Wuda Coal Mining District as an example, the possibility, fundamental principle, method, advantage and prospect of Geographical Information System in coal petrology and quality data analyses are introduced. In the analytical process, various types of geological data are linked in a scientific and systematic manner using the softw are or GIS system and "dBA SE Ⅳ", thereby providing a simple and convenient way of utilizing this information.