Abstract:

As the important achievements in the mine designing and producing processes, the exploratory profiles are very significant for modeling the threedimensional mine. The transformation of the profiles from 2D to 3D coordination systems, and the evaluation and emendation of transformed errors are important. For reasons of complicated work of traditional transformation, this paper promotes a new method to transform the coordination of the profiles. Based on the standard deviation of section area of the geological entities, an evaluation of the transformed error is put forward. Then, the method to assess the error is investigated, and a transforming-domain based algorithm to transform the coordination of the profiles is proposed, the algorithm and its complication are depicted in detail. Finally, a practical example which uses the profiles of a metal mine in Hunan Province shows that the method proposed in this paper is feasible, and the transforming result is better than that based on the single benchmark.

Key words: exploratory profile, coordination transformation, benchmark, transforming domain