Final Exam Questions

Hey Maja, for explaining why a Bn, Bf, Bt, horizon exists could we say that they were illuviated by substances from the A horizon and that they were enriched by the C horizon. If you had parent material with a high clay content couldn't that lead you to having a Bt horizon? I am just making sure that we should incorporate both the C and A when describing the factors that created the B. Thank you!

Some materials (clay, salts, organic matter) are brought into the B horizons from either A and/or C horizons. But then there are also numerous soil formation processes that occur in the B horizon itself. Some examples of those processes are gleying (Bg), shrinking/swelling of clay (Bss and Bv), weathering of minerals (Bf), freezing/thawing (By)...