The zone which is rich in iron; aluminium; magnesium and clay substances is the? by Sunday | Dec 25 | Geography JAMB | 0 comments A. C-horizon B. D-horizon C. A-horizon D. B-horizon Correct Answer: Option D – B-horizon Users Also Read These:What will happen if an aluminium spoon is used to…The main impurity in iron ore during the extraction…What quantity of electrons (in mole) is lost when…An aluminium rod of length 1.8m at 100oC is heated…The type of iron that is best suited for welding;…