PRELIMINARY DISCUSSION ON THE GREY CHARACTERS OF CONCEALED FORM TYPE DEPOSIT (OREBODY) AND ITS GREY FORECASTING AND DECISION MAKING

Xixian Sun, Jun Deng, Mingxia Jiang, Keqiang Chen
1993 GEOINFORMATICS  
At present, a global crisis of mineral resources is accelerated at a growing rate and
doi:10.6010/geoinformatics1990.4.3_231 fatcat:g6kgi73y75cgtnhta3z3g4onca