Soils derived from residuum are called residual soils. They formed in a mantle of loess and the underlying limestone residuum. They are combined harmoniously though pictographic imagery rendered in residuum abstractions of apparent mathematical codes. While residuum is similar to the term regolith, it is more specific. They resemble the residuum from the refining of light oil. So the residuum from the strong interaction within protons and neutrons also binds nuclei together. The sporogonia contain numerous sporoblasts or spores and a residuum. This operation is called the "residuum" of the t-norm. The corresponding residuum can then be expressed as formula 3. Within each oocyst there are 8 or more free sporozoites and a large oocyst residuum. This distinguishes residuum from most other types of parent material. Residuum and their associated residual soils are a produced through chemical weathering of their bedrock. What residuum may be left we need not stop to consider. Residuum differs from saprolite through its structure and degree of weathering.