This is also true for shales and bauxitic and lateritic soils.    From Wordnik.com.  [Chapter 4] Reference

Tests have shown that the pozzolana is best if the clay is bauxitic.    From Wordnik.com.  [Chapter 4] Reference

The second study focused more on soils, which in the area are well-structured, red or brown bauxitic loams with high aluminum content and near neutral pH.    From Wordnik.com.  [5: Farming systems and gardening techniques] Reference

The majority of these results cover portions of bauxitic plateaus not currently in the Koba resource estimate, including part of Kouraidendeli, Sapi North and South, and the Central plateaus with the remainder covering the Kousidji plateaus described above.    From Wordnik.com.  [The Earth Times Online Newspaper] Reference