Describes a computer program which represents the first merger of an expert system and imaging technology into a tool to assist in learning mineral identification. Presents a discussion of the system's development, evaluation of effectiveness, and future modifications. (RT)

Discussed is a program created to serve as an instructional tool for teaching basin analysis. Described is the use of the program for interpreting plots resulting from backstripping methods. Included in the discussion are implementation, applications and availability of the "Subside!" program. (CW)