Material distribution here is similar for the two standardization systems. Spatial patterns are consistent and comparable for this material category in the two systems; however, their elevation ranges are different. Both local and global variations of this category are almost indiscernible as the distribution pattern is consistent over the entire region for both schemes. The local differences that exist are rather shades or intensity in representation of the material in each classification system. This indicates consistency in each classification scheme despite their seemingly different category approaches used.

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