This material category shows no similarity or relationship between the two schemes. Both local and global trends are divergent in the two systems. This irregularity is significant also in the elevation ranges of the two systems. There is a considerable representation of boreholes in GSC than for BC system for this material. Each scheme did not only result in different materials for the same well-log, but, there is an unequal number of boreholes represented in each system. The relatively small number of boreholes also contributes to this significant divergence in the category material in the two schemes.

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